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Senior Specialist, Information Security Systems Engineer
L3Harris Technologies Palm Bay, Florida
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Information Security Systems Engineer Job Code: 39297 Job Location: Palm Bay, FL Job Schedule: 9/80 Job Description: Essential Functions: Experience in Risk Management Framework (RMF) accreditation and authorization (A&A) processes and standard body of evidence (BoE) package development. Experience with A&A package processing Experience in DoD software selection and approval processes for COTS, GOTS and FOSS. Experience in the application of DISA SRGs and STIGs. Experience in the implementation and use of cybersecurity tools (e.g. ACAS, SCAP, etc.). Experience with container security Support security engineering activities, including basis of estimate development, requirements development, design, test, configuration management and maintenance of information systems and data. Assist program security in the development of policies and procedures for emerging security technologies. Support vulnerability assessment activities as required. Support the evaluation, qualification, testing and delivery of security architecture improvement, obsolescence replacement and vulnerability response projects. Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS, Nessus and SCC. Ability to work individually or as part of a cybersecurity team. Must be able provide direction based on program and customer requirements and compliance. Possess excellent speaking abilities and skills to brief leadership and customers. Possess ability to conduct research on security and other applicable topics as needed as the cybersecurity lead. Must be a self-starter that is able to understand requirements and develop plans and articulate needs to meet compliance and requirements. This is a 100% On-Site Position Qualifications: Education: Bachelor's Degree and minimum 6 years of prior relevant experience, or Graduate Degree and a minimum of 4 years of prior related experience or In lieu of a degree, minimum of 10 years of prior related experience. TS/SCI (SCI eligible) security clearance with CI Poly required. DOD 8140 IAT-3 or IASAE-2 certification. Demonstrated ability to work and grow in a dynamic, fast paced, team-oriented environment. Preferred Additional Skills: Experience in C2S Cloud authorizations, FedRAMP and DISA CSP requirements. Experience in Model-Based Systems Engineering (MBSE). Windows and Linux system administration skills. Operating system certification. Experience in the content development and administration of SEIM/audit reduction tools (e.g., Splunk). DOD 8570.01M IASAE-3 certification is desired. Strong understanding of engineering processes, concepts and information security systems engineering principles (NIST SP 800-160 Vol1). System test and evaluation methods and RMF assessment methodology & process. Experience in Cyber Defense technologies. Experience with CI/CD, agile system development, and DevSecOps tools and processes. Understanding of system vulnerabilities and exploitation. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
Sr Specialist, Systems Engineer
L3Harris Technologies Salt Lake City, Utah
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Sr Specialist, Systems Engineer Job Code: 37895 Job Location: Salt Lake City- UT Job Schedule: 9/80 Employees work 9 out of every 14 days- totaling 80 hours working- and have every other Friday off L3Harris' Spectrum Superiority segment is currently seeking a Systems Engineer to support multiple programs, with an emphasis on Systems Integration and Test. This position will be based at our Salt Lake City, UT facility. Position Overview: L3Harris is seeking a Systems Engineer to contribute to the life-cycle support of systems from conceptual development through product phase-out. This position encompasses proposal support, requirements analysis and management, technical documentation, design oversight participation, and design synthesis in a multi-functional engineering environment. The role maintains a strong focus on Integration and Test (I&T) to support the development, verification, and validation of complex systems. The Systems Engineer will be responsible for planning and executing systems integration activities, developing test strategies, and ensuring system performance meets defined requirements across hardware, software, and networked components. Essential Responsibilities: • Assist in the planning and conduct of technical projects or portions of projects in a focused, high productivity environment • Capture and manage customer and derived requirements, as well as the decomposition and assignment of requirements to appropriate functional areas of responsibility, ensuring traceability from a verification test matrix back to original customer and system level derived requirements • Develop technical specifications, interface control documents, test plans and procedures, analyze configuration and processing solutions, and test conformance to specifications • Employ best practices, tools and techniques, and apply processes and methodologies selected to design and develop new products or modify existing products • Ensure technical performance, quality, and adherence to schedule • Follow processes in conformance with established policies and objectives • Evaluate vendor capabilities and manage subcontracts to secure required products or services • Lead or support design reviews • Availability to travel 20-40% of the time to customer and subcontractor sites in support of technical meetings and verification activities Required Qualifications: • Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. • Currently hold a DoD security clearance Preferred Qualifications: • Experience in system level development, requirements definition, analysis, and risk mitigation for Communications, Open Systems Architecture, Satellite Communications, and/or Electronic Warfare systems • Presentation and communication skills • Problem solving skills and the ability to meet critical deadlines • Experience in Model Based Systems Engineering • Understand coordination of projects and roles of technical support personnel • Ability to work independently • System Security Testing experience • Experience with system integration, test, and verification in a complex system environment • Familiarity with requirements management tools (e.g. DOORS, Jama) • Experience developing and executing test procedures and test plans • Understanding of system lifecycle processes and systems engineering fundamentals • Ability to troubleshoot and resolve integration issues across hardware and software domains L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
Specialist, Systems Engineer - ILS Engineer
L3Harris Technologies Salt Lake City, Utah
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Specialist Engineer - Integrated Logistics Support (ILS) Systems Engineer Job Code: 39795 Job Location: Salt Lake City, Utah Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off Job Description: The Specialist Systems ILS Engineer supports clients in the management or direction of logistics support for one or more programs, including appropriate supporting organizations. The logistics system engineer will provide direct support to the customer in the planning, coordinating and execution of numerous acquisition program logistics efforts for legacy and future systems as well as technical refreshes/ upgrades. The logistics systems engineer will provide logistics, sustainment, and life cycle support; training; advice; and recommendations. This position can function as both an ILS Manager and logistics engineer responsible for life cycle cost analysis, maintenance planning activities, repair management, supply chain management, provisioning and various other logistics tasks. Essential Functions: Planning and coordination of all logistics elements to ensure all integrated logistics support requirements for the program are identified. Develop and support the generation and review of logistics support documentation, including Integrated Logistics Support Plans (ILSP), Life Cycle Sustainment Plans (LCSP), Life Cycle Cost Analysis (LCCA), Level of Repair Analysis (LORA), Provisioning Parts Lists (PPL), Maintenance Task Analysis (MTA), maintenance plans, support equipment recommendation data (SERD), and other logistics supportability analysis (LSA) documents. Conduct logistics analyses and assessments such as supportability analysis, Level of Repair Analysis, range and depth of spare parts, DMSMS, and risk assessments. Analyzing system lifecycle costs, ensuring sustainability, and planning for obsolescence, upgrades, or disposal. Utilize ILS tools and software to track logistics data, monitor system performance, and generate reports for internal and external stakeholders. Collaborate with project engineers, design engineers, program managers, and customers to integrate logistics considerations into system design. Obtain and maintain any security clearances, status or licenses required by client to perform work. Experience defining support and maintenance requirements at the organizational, intermediate, and depot level for electronic equipment. Ability to manage multiple projects at one time. Ability to travel up to 10% of time in support of off-site program meetings. Qualifications: Bachelor's Degree and a minimum of 4 years of prior relevant systems engineering, logistics engineering, sustainment, or integrated logistics support experience, or Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, a minimum of 8 years of prior related integrated logistics support, sustainment, or logistics systems engineering experience. Preferred Additional Skills: Minimum of 4 years of experience in Logistics Engineering. Minimum of 4 years of experience with Product Support Analysis (PSA), LSA, GEIA-STD-0007 or its predecessor MIL-STD-1388-2B. Proficiency using LSA software applications, models, and databases (e.g., Slicwave, EAGLE, Powerlog). Experience using logistics and supportability analysis tools, including Compass (LORA), CASA (LCCA), and comparable applications. Demonstrated experience leveraging artificial intelligence tools and techniques to enhance quality, improve decision-making, and increase efficiency across core job functions. Experience with cost account and project engineering management. Excellent oral and written communications skills along with the ability to work independently or in a team environment is a plus. Strong analytical and problem-solving skills, with the ability to evaluate complex technical information and make informed decisions. Current security clearance or ability to obtain one. Experience Earned Value Management System techniques. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
Senior Specialist, Electronic Warfare Systems Engineer
L3Harris Technologies Salt Lake City, Utah
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Electronic Warfare Systems Engineer Job Code: 40324 Job Location: Salt Lake City- UT Job Schedule: 9/80- employees work 9 out of every 14 days- totaling 80 hours worked- and have every other Friday off Position Overview: The Electronic Warfare (EW) Systems Engineer will contribute to the life-cycle support of EW systems from conceptual development through product phase-out. This includes proposal support, requirements analysis and management, technical documentation, design oversight participation, design synthesis in a multi-functional engineering environment, build and test support, risk management input, system deployment, and in-house technical support during the operational life cycle of the system. Essential Responsibilities: Assist in the planning and conduct of technical tasks in a focused, high productivity environment Manage requirements ensuring traceability from a verification test matrix back to original customer and system level derived requirements Develop technical specifications, interface control documents, test plans and procedures, analyze configuration and processing solutions, and test conformance to specifications Ensure technical performance, quality, and adherence to schedule Follow processes in conformance with established policies and objectives Participate in design reviews Availability to travel 20-40% of the time to customer and subcontractor sites in support of technical meetings and verification activities Required Qualifications: Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Currently hold a DoD security clearance Preferred Qualifications: Experience in system level development, requirements definition, analysis, and risk mitigation for Communications or Electronic Warfare systems Presentation and communication skills Problem solving skills and the ability to meet critical deadlines Understand coordination of projects and roles of technical support personnel Ability to work independently Experience in Model Based Systems Engineering L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
Senior Specialist, Systems Engineer - Information Security
L3Harris Technologies Greenville, Texas
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineer - Information Security Job Code: 40753 Job Location: Greenville, TX Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off. Job Description: Information Systems Security Engineer (ISSE) is part of a team which establishes, supports, and coordinates tasks related to Cybersecurity and Assessment & Authorization (A&A) to obtain and maintain Authorizations to Operate (ATOs) for delivered systems via the NIST 800 Series Risk Management Framework (RMF). This position is part of a larger customer Information Assurance team, coordinating L3Harris efforts supporting the Information Owner, and assisting the ISSM, to implement actions needed to document current/future baselines and new capabilities in the NIST/RMF-approved process. Essential Functions: Participate in risk and vulnerability assessments (as required) of information systems to identify vulnerabilities, risks, and protection needs, coordinate L3H efforts to develop Security Impact Assessments (SIAs) of proposed system modifications for submittal to the ISSM. This position combines an understanding of both software engineering and hardware engineering. Prepare and present technical results for internal and external program meetings. Develop, track and present technical metrics. Understanding of hardware level interdependencies for Infrastructure, Network, & Mission Processor requirements between multiple devices as well as understanding how software works in conjunction with hardware interdependencies. Manage requirements in either DOORS or JIRA through all phases of the project. Communicates within and outside of the organization to influence leadership to accept new practices, approaches, and concepts. Track all assigned systems for A&A (Assessment and Authorization) status and oversee accreditation/reaccreditation actions. Responsible for improving upon existing processes or establishing new processes and systems. Work cross-functionally to ensure security requirements are addressed throughout the mission system development lifecycle. Perform security compliance scans, vulnerability analysis, and drive identified issues resolution. Performs periodic vulnerability scans of networks to identify security vulnerabilities and provides remediation alternatives and conducts security risk assessments to ensure compliance with corporate security policies and adherence to best practices. Develop and maintain ATO Body of Evidence artifacts. Work is 100% on-site and CANNOT be accomplished remotely. Active DoD Secret Clearance with ability to obtain Top-Secret Clearance. Qualifications: Bachelor's degree in engineering (Cybersecurity, Computer Science, Electrical, Mechanical, Systems, Software, Physics, etc.) and minimum 6 years of prior related experience. Graduate Degree and a minimum of 4 years of prior relevant experience. In lieu of a degree, a minimum of 10 years of prior related experience. Experience in design, development, and fielding of Systems Security Engineering (SSE) systems. Experience translating NIST 800-53 security controls into functional requirements that product teams can implement. Experience in drafting Systems Security Engineering Requirements and effectively communicating these requirements with other groups. Experience with the Risk Management Framework (RMF) process to include NIST and DoD standards. Experience with drafting security documents for various security certifications. Preferred Additional Skills: Proposal Development. Demonstrated understanding of networking. Experience or proficiency with Linux administration, Bash scripting, Python, Windows PowerShell, Windows administration, Nessus, Wireshark, Nmap, Elastic Stack (Elasticsearch, Logstash and Kibana (ELK . Demonstrated understanding of Linux audit and logging system architecture. Demonstrated understanding of directory services - Active Directory and LDAP. Demonstrated understanding computer networking and familiarity with NIST publications. Experience in application hardening through code scanning (with tools like Coverity/Fortify) and mitigating findings. Top Secret/SCI clearance or DOD Top Secret with current SSBI within the last 5 years. Experience with eMass and/or Xacta. Knowledge of deployment logistics for DoD systems, including transport, setup, and integration in austere or contested environments. Familiarity with DoD acquisition processes and exercise planning frameworks. Experience with network configuration, data links (e.g., Link 16), or edge computing in operational settings. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
Lead, Systems Engineer
L3Harris Technologies Greenville, Texas
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Lead, Systems Engineering Job Code: 40818 Job Location:Greenville, TX Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off Job Description: The Lead, Systems Engineer (SE) is responsible for technical planning, system integration, verification and validation, and troubleshooting of complex systems and subsystems. This role supports the requirements, design, development, testing, and integration of specialized hardware/software solutions across distributed environments. The ideal candidate brings experience in software engineering, AWS cloud technologies, Kubernetes orchestration, and networked systems, with the ability to support solutions deployed on ground and airborne communications platforms. Essential Functions: Ability to obtain DoW Security Clearance. This position includes an expectation of 10 to 15% shift, on-call, or weekend work. Support the design of robust, scalable, and secure system solutions aligned with business and mission requirements. Contribute to the development and integration of software-based solutions using AWS, Kubernetes, and API-driven architectures across distributed environments. Assist with implementation of system and selected network changes, upgrades, and enhancements in accordance with project plans and technical requirements. Translate customer needs and operational objectives into system-level requirements and technical solutions. Support the design, development, and integration of cloud-native and containerized applications and services. Collaborate with software, infrastructure, network, and cross-functional engineering teams to support system integration, issue diagnosis, root cause analysis, and resolution. Monitor system, application, service, and network performance to help ensure reliability, availability, scalability, and maintainability. Apply requirements traceability practices to reduce risk and improve development, integration, and test outcomes. Assist in performing systems engineering analyses and trade studies to evaluate design options, technologies, and implementation approaches. Support evaluation of technical trade study results for accuracy, completeness, and alignment with system requirements. Contribute to subsystem, interface, software, and selected network specifications derived from higher-level system requirements. Evaluate alternative technical solutions and help define preliminary system and software designs. Review architecture diagrams, interface definitions, API specifications, and technical documentation to ensure traceability to system requirements. Support troubleshooting of complex system and network issues affecting application availability, connectivity, performance, and stability. Demonstrate familiarity with core networking concepts such as LAN/WAN, IP routing, VPNs, and secure communications environments. Develop and execute test procedures for systems, software, APIs, cloud, containerized, and network-integrated capabilities to verify performance and compliance with requirements. Prepare and deliver presentations that communicate technical concepts clearly to both technical and non-technical stakeholders. Collaborate across multiple engineering disciplines to design cohesive, credible solutions and support integration within standards-based development environments. Prepare and maintain detailed system, software, API, cloud, deployment, and selected network documentation. Generate reports on system performance, technical issues, risks, and project progress. Must have the ability to design, develop, write, and troubleshoot software solutions using Python, Java, and other scripting languages to support automation, system integration, testing, and operational support activities. Working knowledge of Kubernetes, AWS services, software development practices, and API integration is required. Familiarity with networking technologies such as BGP, multicast, and Layer 2/Layer 3 VPNs is preferred. Qualifications: Bachelor's degree with 9 years of relevant Systems Engineering and/or Software Engineering experience, or Graduate degree with 7 years of related experience. In lieu of a degree, 13 years of related experience. Demonstrated experience in systems engineering for complex software-centric systems, including design, integration, verification, validation, and troubleshooting. Demonstrated software development skills with the ability to write, debug, and troubleshoot applications, automation tools, and scripts using Python, Java, and other scripting languages. Demonstrated experience with AWS, Kubernetes, containerized environments, and API integration. Demonstrated experience developing and executing software and system test plans, integration activities, and verification efforts. Demonstrated ability to translate customer needs into system-level requirements and support requirements traceability. Demonstrated experience with technical documentation, interface definitions, and cross-functional engineering collaboration. Demonstrated familiarity with networking concepts such as LAN/WAN, IP routing, VLANs, VPNs, and BGP/OSPF. Demonstrated knowledge of cybersecurity best practices and security frameworks such as NIST. Demonstrated experience supporting secure or government environments, including DoD systems or accreditation activities, is preferred. Preferred Additional Skills: Active Secret or TS/SCI clearance strongly preferred. Experience with AWS cloud services, cloud architecture, and containerized environments. Experience with Kubernetes deployment, orchestration, and troubleshooting. Proficiency in Python, Java, and other scripting languages for automation, integration, and support. Experience with API development, integration, and troubleshooting in distributed systems. Familiarity with DevSecOps, CI/CD pipelines, and modern software development tools and practices. Knowledge of cybersecurity best practices and secure system deployments in regulated environments. AWS certifications such as AWS Certified Solutions Architect, AWS Certified Developer, or AWS Certified SysOps Administrator are preferred. Kubernetes certifications such as Certified Kubernetes Administrator (CKA), Certified Kubernetes Application Developer (CKAD), or Certified Kubernetes Security Specialist (CKS) are preferred. Networking certifications or experience such as CCNP, Security+, Network+, JNCIP-SP, ACE-P, or PCNSA are a plus. Experience supporting DoD, classified, or mission-critical environments preferred. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
Specialist, EO/IR Systems Engineer (Top Secret Clearance)
L3Harris Technologies Herndon, Virginia
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Specialist, EO/IR Systems Engineer (Top Secret Clearance) Job Code: 39908 Job Location: On-site in Herndon, VA Job Schedule: 9/80 (Every other Friday off!) Relocation: Relocation assistance is available to qualified applicants Job Description: This position provides mission engineering support services for a Washington, DC based customer. The candidate will need to have in depth knowledge associated with use and performance of the L3Harris developed systems and products (both hardware and software). The candidate will be monitoring and trending system performance and must be able to recognize and respond to anomalous conditions.The individual is expected to be able to use the application of advanced engineering standards, principles, theories, concepts and techniques to solve complex problems associated with spaceflight hardware. The candidate will need to work independently to resolve a wide range of engineering problems, requiring collaboration with all required disciplines (mechanical, optical, electrical, software, etc.). This position requires continuous communication of technical issues, risks, opportunities and status with respect to L3Harris supplied products. There is daily interaction with teammates and customers to ensure mission success. Essential Functions: Provide Mission Operations support to current L3Harris products. Help develop and verify mission CONOPs as well as drive current CONOPS to successful program execution. The candidate will be working with L3Harris off-site factory support as well as on-site based customers in a fast paced, multi-company environment. There is an on-call component to this position and occasional surge or shift work Qualifications: Bachelor's Degree in Engineering, Physics, or other related scientific discipline and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience. Active Top Secret security clearance Minimum of 2 years relevant systems engineering background 2 years' relevant experience with space systems and/or sensor systems technology design, manufacture, integration, test Experience with Microsoft Word, Excel, PowerPoint and Matlab Preferred Additional Skills: Background in EO/IR or imaging systems design is highly desired Familiarity with Linux Familiarity with ground telemetry & commanding software and mission scheduling software Excellent inter-personal and communication skills, ability to interact with a cross functional team, act as customer interface Disciplined approach to procedural and program documentation of processes and results Ability to collaborate across all levels of leadership I n compliance with pay transparency requirements, the salary range for this role in Virginia (Greater D.C. area) is $92,500-$171,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements . L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
Specialist, Embedded Software Engineer - (Aerospace Flight) : Sign-on bonus ($15K Max)
L3Harris Technologies Wilmington, Massachusetts
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Specialist, Embedded Software Engineer - (Aerospace Flight) : Sign-on bonus ($15K max) Job Code: 39272 Job Location: Wilmington, MA Job Schedule: 9/80 (Every other Friday off!) Relocation: Relocation assistance is available to qualified applicants Sign-On Bonus: A sign-on bonus of up to $15K may be included as part of an offer package for this level Job Description: L3Harris Space and Mission Systems is seeking an Embedded Software Engineer for our Wilmington, MA location to join a team of experts developing Embedded Flight Software for space-based imaging payloads. This role requires an experienced Embedded Software Engineer to support the design, implementation, and optimization of real-time embedded control software for high-performance systems. This role focuses on bare-metal C programming, development of complex servo control functionality, and close collaboration with control algorithm engineers to translate advanced concepts into reliable embedded implementations. We look forward to reviewing your application! Essential Functions: Design, develop, test, and maintain real-time embedded software in C for bare-metal hardware platforms, with an emphasis on deterministic behavior, performance, and reliability. Implement and optimize complex servo control algorithms operating at update rates up to 1 kHz, ensuring precise timing, stability, and responsiveness. Integrate control algorithms with low-level hardware interfaces, including processors, peripherals, and communication paths, to support closed-loop system performance. Partner closely with the algorithm development team to evaluate system behavior, review collected data artifacts and refine control implementations based on empirical results. Analyze test data, debug real-time performance issues, and support iterative improvements to servo loop behavior, latency, and robustness. Participate in system bring-up, troubleshooting, and validation activities for embedded hardware and software in lab and prototype environments. Contribute to software architecture, code reviews, and best practices for embedded development, with attention to maintainability and verification. Qualifications: Bachelor's Degree in Computer Engineering, Computer Science, or related field and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience. Ability to obtain a TS/SCI security clearance. Professional experience with embedded development on aerospace systems using C/C++. Professional experience programming bare-metal embedded systems without reliance on a full operating system. Professional experience working with timing constraints, interrupt-driven design, memory-mapped I/O, and performance optimization in resource-constrained environments. Experience utilizing DevOps practices, Jenkins, and continuous integration tools. Preferred Additional Skills: Active Top Secret or TS/SCI clearance is highly preferred Expertise in full spaced-based System lifecycle including requirements flow down and allocation, design, development, test, and sell-off. Experience in embedded flight software development, system design, debugging, and integration of flight-like hardware Experience implementing or supporting servo control algorithms in embedded environments. Exposure to FPGA-adjacent or soft-core processor environments such as MicroBlaze. Familiarity with data collection, signal analysis, and debugging tools used to evaluate real-time embedded system performance. Experience in Command & Control Software, Sensor Processing Systems, and Optical Systems/telescopes. Knowledge of microprocessor/microcontroller architecture and programming, and familiarity with FPGAs. Familiarity with real-time control systems, servo loops, or other closed-loop embedded applications. Knowledge of MBSE tools (e.g., Cameo) and wideband/narrowband telemetry and messaging. Working knowledge of image processors, visible cameras, IR detectors, servo motors, actuators and focus mechanisms. In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C, Denver, or NYC areas is $97,000.00 - $180,000.00 . This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
Senior Specialist, Software Engineer (Palm Bay) (TS/SCI)
L3Harris Technologies Palm Bay, Florida
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Software Engineer Job Code: 40955 Job Location: Palm Bay, FL Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off Job Description: We are seeking a Software Engineer in Palm Bay, Florida to design, develop, integrate, and sustain mission-focused software solutions. In this role, you'll work across a diverse technical landscape from embedded software and backend services to web applications, containerized environments, and DevOps workflows. The ideal candidate thrives in varied technical environments and brings experience with technologies including C++, Python, JavaScript, React, and Docker-based development. You'll play a key role in supporting secure, mission-critical programs that make a real impact. Essential Functions: Contribute to the design, development, integration, test, and sustainment of software solutions across embedded systems, backend services, and web-based applications. Develop and maintain software using technologies such as C++, Python, JavaScript, and React in support of mission and program requirements. Support containerized development and deployment workflows using Docker and established DevOps practices to improve delivery efficiency, consistency, and reliability. Collaborate with systems engineering, software engineering, integration, and program teams to implement technical solutions aligned with operational and customer needs. Participate in software troubleshooting, defect resolution, performance improvement, and technical problem solving across the development lifecycle. Create and maintain technical documentation, code artifacts, and engineering products that support integration, testing, deployment, and long-term sustainment. Qualifications: Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Active TS/SCI is required. Preferred Additional Skills: Active TS/SCI w CI Polygraph. Experience contributing across both embedded and web application environments. Experience with React and modern JavaScript development for user-facing applications. Experience with DevOps practices, CI/CD workflows, and containerized software delivery. Experience developing or integrating software in Linux-based environments. Experience in software engineering for one or more of the following areas: embedded software, backend services, full stack applications, or web application development. Hands-on development experience with one or more relevant programming languages such as C++, Python, or JavaScript. Experience working with modern software development practices, including version control, code reviews, debugging, and automated build or test workflows. Familiarity with Docker-based development environments, containerized applications, or DevOps-oriented software delivery practices. Ability to contribute effectively as an individual contributor on a technical team supporting secure, mission-focused software programs. S1 L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
(DoW SkillBridge), Specialist, Integration & Test Engineer
L3Harris Technologies Herndon, Virginia
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: (DoW SkillBridge), Specialist, Integration and Test Engineer Job Code: 29068 Job Location: Herndon, VA Job Schedule: 1st shift, 9/80 L3Harris' DoW SkillBridge is connecting transitioning service members to career training opportunities within our organization. We will provide service members with valuable civilian work experience through industry specific training, certifications and on the job experience during their DoW SkillBridge internship to help them ready themselves for their next mission. L3Harris aims to attract and retain veteran talent and to help bridge the gap between their military service and civilian careers within our organization. L3Harris is eager to share our knowledge and experience with our service members. This internship is an opportunity for the service member to gain a full understanding of the job position outlined below. TO BE ELIGIBLE FOR DOW SKILLBRIDGE JOB OPPORTUNITES YOU MUST BE AN ACTIVE MEMBER OF THE U.S. MILITARY WITH 180 DAYS OF SERVICE OR FEWER REMAINING PRIOR TO YOUR DATE OF SEPARATION AND HAVE AT LEAST 180 CONTINUOUS DAYS OF ACTIVE SERVICE . Job Description: This Integration and Test Engineer will be part of our training team that provides technical training for a complex communications system. This Integration and Test / Technical trainer needs to experience in developing and executing structured training sessions tailored to customer needs, ensuring knowledge retention and effective skills transfer. The engineer needs to have strong teaching skills with an adaptable approach to meet various learning styles and technical aptitudes. Exceptional customer service skills to engage effectively with customer groups and trainees, fostering a supportive and positive learning environment. Capacity to quickly learn and master complex technologies, including advanced system support equipment, and relay this expertise in accessible, practical terms. Proven troubleshooting and problem-solving abilities, with experience in identifying, diagnosing, and resolving system issues to maintain smooth operation. Experience working with cross-functional design teams to stay up to date on system updates, gather insights, and incorporate feedback into training content. The ideal candidate will have a minimum of 6 years' experience in operating, testing and troubleshooting complexed electronic based systems. The ideal candidate would also have training certifications such from military programs (tech schools). The successful candidate will be responsible for integration of customized software and hardware in a quick paced, engineering oriented environment. This engineer will maintain development, test and production environments while integrating new technologies and maintaining system stability. This engineer will support creation of training material and conduct training of the products to the end user. Essential Functions: Support the set-up, configuration, and documentation of hardware and software systems under test, including loading custom and commercial software onto multiple systems Developing and executing structured training sessions Builds, configures, troubleshoots, and integrates new and existing configuration items (hardware) packages to provide service enhancements, application deployments and infrastructure upgrades Responsible for configuration hardware, mastering the system and training others to successfully use the system. Supports training system operations Ability to take ownership of training classes through completion Long periods of travel is required Qualifications: BS/BA (or equivalent) in Optical, Electrical, Computer Engineering, Computer Science, Information Technology or related field, and minimum 6 years Software or systems experience or Graduate's degree and 4 years software or systems experience. In lieu of a degree, minimum of 10 years of prior military or related experience TS/SCI W/ Poly Clearance is required. Preferred Additional Skills: Experience in STEM (Optical, Electrical, mechanical engineering) Leading technical training or maintaining sensitive optical equipment including Calibration Engineering principles, especially verification/validation. US Military Training Certifications Self-motivated individual able to work independently with minimal supervision Direct experience interfacing with customer personnel and leadership Demonstrated ability and desire to learn from self-training as well as via transfer of experience and technique Demonstrated humble, leadership in small, diverse team, fast paced environment Strong communication ability: verbal and written using MS Word and PowerPoint Experience communicating and presenting complex technical issues to various audiences (technical counterparts, program management, customer leadership, etc.) Strong ability to develop and manipulate MS Excel Training the trainer certifications L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
Senior Specialist, Full Stack Software Engineer
L3Harris Technologies Washington, Washington DC
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Full Stack Engineer Job Code: 40003 Job Location: Washington DC Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off Job Description: Working at Trenchant means working alongside the best security researchers and product engineers from across the security research and intelligence communities. You will be engaged on the most challenging problems in the toughest environments and delivering solutions supporting the cutting edge of cyber security research. We are seeking a highly motivated and experienced Full-Stack Software Engineer with deep expertise across a range of technologies. This role requires a unique blend of technical acumen, leadership abilities, and the discipline to deliver high-quality software under tight deadlines. We are a small team that achieves world-changing results and is driven to provide unparalleled cyber capability by utilizing technical prowess, innovation and our commitment to a noble mission. The Senior Full Stack Engineer's role is to engineer, design, execute, assess, and troubleshoot software programs and applications. This includes configuring, coding, developing, and documenting software specifications throughout the project life cycle. The individual will be responsible for designing, implementing, and deploying distributed server-side solutions and user interfaces. Essential Functions Participate in all phases of the software development lifecycle (SDLC), from requirements gathering and design to testing, deployment, maintenance, and documentation. Collaborate with globally distributed, cross-functional Agile teams, engaging closely with product managers, team members, and stakeholders. Diagnose, troubleshoot, and resolve software defects and performance issues across the technology stack. Ensure all code is well-tested using unit, integration, and system-level testing methodologies. Stay current with the latest software development trends, industry's best practices, and cybersecurity protocols. Contribute to improving development processes, best practices, and team knowledge through code reviews and process enhancement discussions. Document technical solutions and prepare end user manuals as required. Ability and eligibility to obtain and maintain a National Security clearance. Technical Responsibilities Design, develop, and maintain secure, scalable, and maintainable codebases using C# .NET, Python, and Angular. Architect, build, and optimize backend services, APIs, and robust interfaces for API interactions, SDKs, and client-facing features. Develop and maintain web user interfaces using Angular, focusing on usability, performance, and security. Administer and optimize PostgreSQL databases, including schema design, query optimization, and data migration. Engage in self-directed research to innovate and implement new product features aligned with industry standards. Participate in technical design discussions, code reviews, and continuous integration/delivery processes. Qualifications Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Preferred Additional Skills Background or strong understanding in UI/UX design and principles. Exposure to or hands-on experience with DevOps practices and toolchains. Familiarity with cybersecurity principles and secure coding best practices. Experience with event-driven frameworks (e.g., gRPC, SignalR) and containerization (Docker, Kubernetes). Knowledge of mobile application development for Android/iOS. Ability to read, interoperate, and understand lower-level code in C or C++. Experience working in distributed, secure, or high-availability system environments. Proven experience as a Full-Stack Software Engineer with a comprehensive project portfolio. Strong grasp of object-oriented programming principles, design patterns, and large distributed system architecture. Proficient in C#/.NET (5+), cross-platform development (Linux/Windows/MacOS), and relational databases (PostgreSQL). Hands-on experience with unit/integration testing, comprehensive documentation, API design and development. Familiarity with Python; TypeScript/JavaScript (especially Angular or similar frameworks); and performance/memory analysis tools. Comfortable with Source Control and CI/CD systems. Experience working in Agile environments (Scrum/Kanban) and with inter-process communication (e.g., TCP, SSL, RabbitMQ). In compliance with pay transparency requirements, the salary range for this role in Washington D.C. is $111,500 - $207,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
Specialist, Cyber Intelligence (ISSO)
L3Harris Technologies Colorado Springs, Colorado
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Specialist, Cyber Intelligence (ISSO) Job Code: 41347 Job Location: Colorado Springs, CO Job Schedule: 9/80 Job Description: The Information System Security Officer (ISSO) is responsible for supporting the cybersecurity posture of assigned information systems and ensuring compliance with applicable security requirements, policies, and standards. This role assists with implementing and maintaining security controls, monitoring system security, managing vulnerabilities, supporting incident response, and maintaining required cybersecurity documentation. The ISSO works closely with system administrators, engineers, program teams, and the Information System Security Manager (ISSM) to help protect systems, support authorization activities, and maintain ongoing compliance. Essential Functions: Experience supporting compliance with security frameworks and requirements such as RMF, NIST 800-53, NIST 800-171, CNSSI, or other applicable government/industry standards. Experience assisting with the implementation, assessment, and continuous monitoring of security controls for information systems, networks, or enclaves. Experience reviewing vulnerability scan results, supporting remediation efforts, tracking POA&Ms, and assisting with cybersecurity incident reporting and response activities. Experience maintaining cybersecurity documentation such as SSPs, SOPs, contingency plans, and audit artifacts, while coordinating with ISSMs, system administrators, engineers, and program teams. Qualifications: Bachelor's Degree and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience. Active TS/SCI clearance DoD 8570 IAT II certification (e.g. Security+) Preferred Additional Skills: Experience supporting the cybersecurity posture of DoD information systems in compliance with federal, DoD, and contractual security requirements Working knowledge of RMF, NIST 800-53, NIST 800-171, CNSSI, and related cybersecurity guidance Experience assisting with system authorization and accreditation activities for DoD environments Ability to develop, review, and maintain cybersecurity documentation, including SSPs, POA&Ms, contingency plans, configuration management records, and continuous monitoring artifacts Experience supporting security control implementation, assessment, and remediation tracking Knowledge of vulnerability management processes, including STIG compliance, patching, system hardening, and corrective action follow-up Experience supporting continuous monitoring activities to maintain ongoing compliance and authorization readiness Ability to assist with cybersecurity incident investigation, documentation, and reporting in accordance with DoD and contractor procedures Experience collaborating with system administrators, engineers, program managers, and ISSMs to support secure system operations Experience supporting audits, inspections, self-assessments, and government customer reviews Knowledge of requirements for protecting classified information, controlled unclassified information, and other sensitive data Ability to provide cybersecurity guidance and awareness support to users and technical teams In compliance with pay transparency requirements, the salary range for this role in New York is $80,500 - $149,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements. The application window for this requisition is anticipated to close October 31, 2026. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
Specialist, Model-Based Systems Engineer (MBSE)
L3Harris Technologies Melbourne, Florida
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Specialist, Model-Based Systems Engineer (MBSE) Job Code: 39006 Job Location: Melbourne, FL Work Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off Job Description: L3 Harris Technologies Mission Networks Division is seeking a Senior Specialist, Model-Based Systems Engineer (MBSE), to support a funded, multi-year Internal Research and Development (IRAD) effort. This role supports the application of Agile Systems Engineering and SAFe-based practices to advance innovative solutions for commercial FAA-related mission-critical infrastructure and services. This candidate is Systems Engineer who leverages MBSE as an output of good Systems Engineering practices. The selected candidate will lead the development, analysis, and maintenance of SysML-based system models, with emphasis on system architecture, interface definition, requirements traceability, and cross-disciplinary integration. This is an on-site position requiring hands-on proficiency with Cameo Systems Modeler and strong collaboration across software, security, test, and systems engineering teams. Essential Functions: Perform system analysis activities including scope definition, problem analysis, requirements elicitation, and requirements development. Develop, maintain, and update SysML models to support system architecture, behavior, structure, interfaces, and integration. Create architecture and data models using SysML and related modeling frameworks, as appropriate. Produce model-derived outputs and reports, including artifacts such as CONOPS and other technical documentation. Support software-centric system development through model-based systems engineering methods and tools. Participate in Agile planning, reviews, and technical assessments across the system development lifecycle. Facilitate technical exchange meetings with stakeholders and support alignment of model content with program objectives. Collaborate across engineering disciplines and with internal and external stakeholders to ensure technical consistency, design quality, and mission alignment. Work closely with software, security, and test teams to maintain alignment between requirements, architecture, design, and verification activities. Contributes to the execution of the IRAD technical roadmap through disciplined model development and systems engineering rigor. Works under minimal supervision and is expected to operate independently within established technical objectives and program priorities. Other duties may be assigned. Ability to obtain US Security Clearance. Qualifications: Bachelor's Degree and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience. Preferred Additional Skills: 5 years of direct experience in Model-Based Systems Engineering (MBSE) using SysML and Cameo Systems Modeler. 4 years of experience across multiple phases of the Systems Development Life Cycle (SDLC), including requirements analysis, design, development, integration, test, implementation, documentation, and evaluation. Experience developing and applying all nine SysML diagram types in support of system analysis and design. Experience using Cameo Systems Modeler tool suite, including Teamwork Cloud. Proficiency in scripting or automating functions within Cameo Systems Modeler. Experience generating model-based reports and technical outputs directly from MBSE environments. Familiarity with Unified Architecture Framework (UAF) or related architecture modeling frameworks. Knowledge of current and emerging FAA architecture and operating environments. Experience supporting operational analysis, architectural decomposition, and requirements development at multiple levels of detail. Experience with requirements management tools such as Jama Connect. Experience presenting MBSE approaches, models, and technical findings to customers and stakeholders during reviews and technical exchange meetings. Strong written and verbal communication skills. Strong analytical and problem-solving skills, with attention to detail and a proactive work ethic. Ability to work effectively both independently and in a collaborative team environment. Familiarity with INCOSE Systems Engineering Professional certification frameworks; CSEP knowledge or certification is a plus. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
Specialist, Software Engineer (Embedded Software) (Minimum $10k Sign-On Bonus)
L3Harris Technologies Herndon, Virginia
08/24/2026
Full time
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Specialist, Software Engineer (Embedded Software) (Minimum $10K Sign-On Bonus) Job Code : 40863 Job Location: Herndon, VA (On-site) Schedule: 9/80 Regular ( 9/80 Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off ) L3Harris is dedicated to recruiting and developing diverse, high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. About L3Harris Technologies: L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers' mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 47,000 employees, with customers in more than 100 countries. Job Description: L3Harris is seeking a Software Engineer. Responsibilities include the translation of requirements into working and maintainable solutions for our C5 and Cyber Solution Centers. The selected candidate will apply technical proficiency across various stages of our SDLC, gather requirements and work closely with stakeholders to prioritize and scope tasks. The selected candidate will be working as a key team member on a Scrum team and will be instrumental in setting our direction and strategy for product and infrastructure development. Essential Functions: Support the engineering team members as a subject matter expert in embedded software application development, through guidance and direction to one or more software engineers. Investigate root-cause of complex issues, and implement solutions, working independently or with a multi-discipline team. Apply computer science, engineering, and mathematical analysis concepts and principles in the development of software for the target hardware. Work closely with cross-functional members of the engineering organization to develop and evaluate interfaces between hardware and software, and operational performance requirements and design of the overall system Support and participate in all phases of the software. development life cycle, including requirements analysis, design, implementation, hardware-software integration, and formal test. Develop software test plans and procedures, and other relevant technical documentation. Utilize modeling tools and equipment to establish operating data, conduct experimental tests, prototype, and evaluate results. Participate in peer reviews, identify, track and repair defects Utilize a variety of software languages (primarily C/C++ and Python), implementing software for embedded real time operating systems. Qualifications: Active Department of Defense (DoD) Secret clearance. Bachelor's Degree and minimum 4 years of prior relevant experience in Computer Engineering,Electrical Engineering, Computer Science or related field. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. 3+ years of experience developing applications on simulated and target hardware. Experience using a Real-Time Operating System (RTOS), such as Green Hills Integrity, VxWorks, or similar. Preferred Additional Skills: Object-oriented design and implementation experience, with exposure to software modeling and UML tools such as IBM Rhapsody or MagicDraw/Cameo. Experience with programming Rust . Experience developing device drivers and Board Support Packages for real time embedded systems. Experience with Modern C++ techniques. Experience with Information Assurance and/or cryptography. Experience with NSA Type 1 certification or other SW certification such as DO-178. Excellent oral and written communication skills. Qualified candidates will receive a minimum sign-on bonus of $10,000. Qualified candidates with additional credentials may be eligible for higher sign-on bonuses. In compliance with pay transparency requirements, the salary range for this role is $97,000 MIN - $180,000 MAX. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.