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Senior Computer Systems Engineer
Leidos Glen Echo, Maryland
09/08/2026
Full time
Job Description Description Leidos has an exciting opening for you, as our next TS/SCI cleared Senior Systems Engineer, to play a critical role with design, engineering, development and deployment of software supporting the DIA-NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP). Under this 10-year contract containing multiple Task Orders, we support the DOMEX Data Discovery Platform (D3P) Modernization program as well as DIA-OSIC's mission to centralize and standardize Tasking, Collection, Processing, Exploitation and Dissemination (TCPED) of Open Source Intelligence (OSINT) across the DoD and IC enterprise. This position provides an opportunity to have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development. The selected individual will work closely with the Lead Systems Engineer, Release Train Engineer, and government leads to decompose high priority requirements from the product roadmap into valuable delivered solutions, executing on requirements analysis, design, system integration, and system testing. As a Senior Systems Engineer you will lead an application team responsible for maintaining the continuous flow of new software enhancements and deployments, while you manage risks, escalate impediments, and help to drive continuous process improvement. While most work is conducted on-site at our client location in Bethesda, MD, we offer a flexible schedule and, occasionally, some tasks may be performed remotely. You will work closely with the team on the following key tasks: Manage, direct, coordinate, and provide technical direction for all aspects of the team's development efforts. Plan, design, and oversee implementation of software development solutions. Provide technical support, coordination, and execution of systems engineering activities such as feature/requirements analysis, design, implementation planning, integration and test, sustainment, documentation, deployment, and system assessment. Ensure sound engineering practices are followed. Provide direction for interpretation and application of policies and procedures to the engineering and development activities. Develop a working knowledge of government business processes and provide recommendations accordingly. Collaborate with other development teams to identify and develop high-value integrations with other systems/applications. Develop, manage and continually improve the backlog of work items for an Agile scrum team. Update and prioritize stories and epics via feedback from various program stakeholders ensuring the team is always working on the highest-value tasks. Support Scaled Agile Framework (SAFe) program increment planning and execution through creation of work tickets in GitLab as well as program/system documentation using collaboration software (e.g., GitLab wiki). Lead/participate in all Agile ceremonies to include daily stand up, planning, reviews, and retrospectives. Stay informed of increment and sprint progress and work with the team to identify and remove impediments and dependencies. Perform backlog refinement on a regular basis. This may include decomposing features into workable stories, prioritizing or reprioritizing items in the backlog for upcoming sprints, refining acceptance criteria and complexity estimates or removing tickets that are no longer relevant. Accept or reject completed work based on defined acceptance criteria to ensure delivery of high-quality software. Lead the design and architecture of backend systems and services. Drive initiatives across the engineering team related to scalability, reliability, and performance. Develop requirements and design documents Contribute to and review RFCs, and requirements, design, and architecture reviews Coordinate with Test Team to develop and monitor automated system integration tests to identify failed modules and components Manage individual project priorities, deliverables, and deadlines Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of COTS/GOTS in place of new development, and requirements analysis and synthesis from system level to individual software components Foster an environment of collaboration with the different team members in the goal of providing quality service and product to our customers Act as a mentor to mid-level and junior engineers, offering guidance on best practices and career growth To be successful in this role you need the following (required qualifications): BS in Engineering, Computer Science, Systems Engineering, or related field and 12 - 15 years of prior relevant experience or Masters with 10 - 13 years of prior relevant experience. Additional years of experience in lieu of degree are acceptable Must have an active Top Secret security clearance with the ability to obtain and maintain a TS/SCI with Polygraph. Software development experience in languages such as Java or Python. Experience as a Systems Enginer, Product Owner, or a similar role in an Agile software development team. Experience with requirements and design documentation, including process flow diagrams. Demonstrated ability to break down complex problems into actionable steps. Experience managing and prioritizing product backlogs effectively. Strong understanding of Agile methodologies, and experience with tools like Gitlab, Jira, and Confluence. Experience with facilitating scrum for the team (Planning, Retrospective, Grooming & Review/Demo). Excellent communication skills (verbal and written) to articulate technical and non-technical concepts to diverse audiences. Proven ability to work cross-functionally with engineering, design, and project management teams. Demonstrated ability to manage expectations and maintain strong relationships with government and contractor stakeholders. You will wow us even more if you have some of these skills: Experience with Kafka or other message passing systems Experience on a production/enterprise system Cloud infrastructure experience Experience with Appian or other low-code software technologies Experience with any of the following technologies: PostgreSQL Containerization, especially with Docker DevOps practices and tools including Continuous Integration/Continuous Delivery (CI/CD) tools and practices, especially Gitlab or Jenkins GraphQL Keycloak Proactive in identifying tech debt, systemic issues, and areas for team/process improvement Expertise building and maintaining microservices in production in Kubernetes Understanding of Elasticsearch internals: sharding, performance tuning, analyzers, query DSL Elasticsearch certifications or other program stack related certifications Strong Kafka experience: event design, stream processing, performance tuning Familiarity with schema registries and Kafka streaming patterns Familiarity with authentication and authorization products such as Keycloak Experience with security best practices for services: authN/Z, secrets management, data protection GraphQL familiarity Hardware on-prem and cloud-based deployments using Kubernetes Proficiency with infrastructure-as-code (ie CloudFormation, Terraform, Pulumi) Experience of a production/enterprise systems at scale Knowledge of distributed systems concepts (e.g., idempotency, eventual consistency) Experience leading technical projects and mentoring engineers Strong testing discipline with a focus on automation, coverage, and CI/CD pipelines Hands-on development and/or scripting experience, especially Java and Python Experience with AWS cloud-based architecture, services, and software development If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting:June 26, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range:Pay Range $131,300.00 - $237,350.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit . . click apply for full job details
Information Security Systems Engineer
L3Harris Technologies Chantilly, Virginia
09/07/2026
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: Information Security Systems Engineer (ISSE) Job Code: 38251 Job Location: Chantilly, VA Job Schedule: 5/8 Monday - Friday Job Description: The successful candidate will support a highly motivated engineering team in defining, designing, implementing, documenting, testing and sustaining security solutions on National Security Systems, or other systems engineered for our government customers, using current standards within National Institute of Standards & Technology (NIST) Risk Management Framework, Special Publications 800-37, 800-53, 800-171, and other NIST publications; Committee on National Security Systems Instruction (CNNSI) 1253, Joint SAP Implementation Guide (JSIG), and Federal Information Processing Standards (FIPS) to certify and achieve system accreditations. The successful candidate will work with system developers or commercial product vendors in the design and evaluation of state-of-the-art secure systems, networks, and database products, using methods such as encryption technology, vulnerability analysis and security management. Essential Functions: Perform incident response cyber threat identification, incident response support, defensive cyber operations coordination, malware analysis, supply chain risk management assessments per NIST SP 800-161, vendor provenance, counterfeit detection. Exercise skills in NIST Risk Management Framework (RMF) and all related NIST publications, to include writing System Security Plans, Security Control Traceability Matrix, Continuous Monitoring Plan, Security Assessment Plans & Procedures, Security Concept of Operations, Plan of Action and Milestones. Perform skills in implementing/assessing security controls, to include writing system security categorization memorandum, recommending appropriate security control overlays, define security control baseline based on defined system security categorization and approved security overlays, and apply security controls to computing/network nodes and verify implementation of security controls. Assist in systems/software engineering functions, to include creation of data flow diagrams, interface control documents, perform trade studies, and Static Application Security Testing (SAST) for Application Security and Development Secure Technical Implementation Guide (STIG) compliance using tools such as Fortify/Coverity and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. Define/manage systems/security architectures including system security boundaries, vulnerability management and risk mitigation and remediation strategies within networks, systems, applications and new technology initiatives (hardware, software, firewalls, intrusion detection systems, anti-virus systems and software deployment tools); and Infrastructure/Platform/Software-as-a-Service (IaaS/PaaS/Saas) implementations in cloud environments. Define/manage systems/security architectures including system security boundaries in on-premises data center systems and ultimately deploy to secure cloud-based system, to include configuration and use of defense and assessment tools specific to each environment type. This position is performed 100% onsite and cannot be performed remotely. Qualifications: Bachelor's Degree and a minimum of 6 years of prior relevant experience; Or, Graduate Degree and a minimum of 4 years of prior related experience; Or, i n lieu of a degree, minimum of 10 years of prior related experience. Must have active TS/SCI security clearance. Ability to obtain and maintain Special Access Program (SAP) clearance after hire is required. DoD 8140.03 Level 3 or 4 certification. Preferred Additional Skills: Perform Model Based System Engineering (UML, SysML, UAF). Confugure/operate vulnerability analysis tools such Tenable NESSUS Security products. Develop dashboards, configure rules and operate/administer SEIM/audit reduction tools (e.g., Splunk). In compliance with pay transparency requirements, the salary range for this role in Virginia state is $106,500-$197,500. 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.
Sr. Specialist, Info Security Systems Engineer
L3Harris Technologies Colorado Springs, Colorado
09/07/2026
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 , Info Security Systems Engineering Job Code: 40957 Job Location: Colorado Springs, CO Job Schedule: 5/8 Regular Job Description: The successful candidate will support a highly motivated engineering team in defining, designing, implementing, documenting, testing and sustaining security solutions on National Security Systems, or other systems engineered for our government customers, using current standards within National Institute of Standards & Technology (NIST) Risk Management Framework, Special Publications 800-37, 800-53, 800-171, and other NIST publications; Committee on National Security Systems Instruction (CNNSI) 1253, Joint SAP Implementation Guide (JSIG), and Federal Information Processing Standards (FIPS) to certify and achieve system accreditations. The successful candidate will work with system developers or commercial product vendors in the design and evaluation of state-of-the-art secure systems, networks, and database products, using methods such as encryption technology, vulnerability analysis and security management. Essential Functions: Perform incident response, cyber threat identification, incident response, defensive cyber operations coordination, malware analysis, supply chain risk management assessments per NIST SP 800-161, vendor provenance, counterfeit detection. Exercise skills in NIST Risk Management Framework (RMF) and all related NIST publications, to include writing System Security Plans, Security Control Traceability Matrix, Continuous Monitoring Plan, Security Assessment Plans & Procedures, Security Concept of Operations, Plan of Action and Milestones. Perform skills in implementing/assessing security controls, to include writing system security categorization memorandum, recommending appropriate security control overlays, define security control baseline based on defined system security categorization and approved security overlays, and apply security controls to computing/network nodes and verify implementation of security controls. Assist in systems/software engineering functions, to include creation of data flow diagrams, interface control documents, perform trade studies, and Static Application Security Testing (SAST) for Application Security and Development Secure Technical Implementation Guide (STIG) compliance using tools such as Fortify/Coverity and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. Define/manage systems/security architectures including system security boundaries, vulnerability management and risk mitigation and remediation strategies within networks, systems, applications and new technology initiatives (hardware, software, firewalls, intrusion detection systems, anti-virus systems and software deployment tools); and Infrastructure/Platform/Software-as-a-Service (IaaS/PaaS/Saas) implementations in cloud environments. Define/manage systems/security architectures including system security boundaries in on-premises data center systems and ultimately deploy to secure cloud-based system, to include configuration and use of defense and assessment tools specific to each environment type. This position is performed 100% onsite and cannot be performed remotely. 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. Must have active TS/SCI security clearance. Ability to obtain and maintain Special Access Program (SAP) clearance after hire is required. DoD 8140.03 Level 3 or 4 certification. Preferred Additional Skills: Perform Model Based System Engineering (UML, SysML, UAF). Configure/operate vulnerability analysis tools such Tenable NESSUS Security products. Develop dashboards, configure rules, and operate/administer SEIM/Audit reduction tools (e.g., Splunk) In compliance with pay transparency requirements, the salary range for this role in Colorado state 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. The application window for this position will close on 10/15/2026. 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.
Information Security Systems Engineer
L3Harris Technologies Chantilly, Virginia
09/07/2026
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: Information Security Systems Engineer (ISSE) Job Code: 38251 Job Location: Chantilly, VA Job Schedule: 5/8 Monday - Friday Job Description: The successful candidate will support a highly motivated engineering team in defining, designing, implementing, documenting, testing and sustaining security solutions on National Security Systems, or other systems engineered for our government customers, using current standards within National Institute of Standards & Technology (NIST) Risk Management Framework, Special Publications 800-37, 800-53, 800-171, and other NIST publications; Committee on National Security Systems Instruction (CNNSI) 1253, Joint SAP Implementation Guide (JSIG), and Federal Information Processing Standards (FIPS) to certify and achieve system accreditations. The successful candidate will work with system developers or commercial product vendors in the design and evaluation of state-of-the-art secure systems, networks, and database products, using methods such as encryption technology, vulnerability analysis and security management. Essential Functions: Perform incident response cyber threat identification, incident response support, defensive cyber operations coordination, malware analysis, supply chain risk management assessments per NIST SP 800-161, vendor provenance, counterfeit detection. Exercise skills in NIST Risk Management Framework (RMF) and all related NIST publications, to include writing System Security Plans, Security Control Traceability Matrix, Continuous Monitoring Plan, Security Assessment Plans & Procedures, Security Concept of Operations, Plan of Action and Milestones. Perform skills in implementing/assessing security controls, to include writing system security categorization memorandum, recommending appropriate security control overlays, define security control baseline based on defined system security categorization and approved security overlays, and apply security controls to computing/network nodes and verify implementation of security controls. Assist in systems/software engineering functions, to include creation of data flow diagrams, interface control documents, perform trade studies, and Static Application Security Testing (SAST) for Application Security and Development Secure Technical Implementation Guide (STIG) compliance using tools such as Fortify/Coverity and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. Define/manage systems/security architectures including system security boundaries, vulnerability management and risk mitigation and remediation strategies within networks, systems, applications and new technology initiatives (hardware, software, firewalls, intrusion detection systems, anti-virus systems and software deployment tools); and Infrastructure/Platform/Software-as-a-Service (IaaS/PaaS/Saas) implementations in cloud environments. Define/manage systems/security architectures including system security boundaries in on-premises data center systems and ultimately deploy to secure cloud-based system, to include configuration and use of defense and assessment tools specific to each environment type. This position is performed 100% onsite and cannot be performed remotely. Qualifications: Bachelor's Degree and a minimum of 6 years of prior relevant experience; Or, Graduate Degree and a minimum of 4 years of prior related experience; Or, i n lieu of a degree, minimum of 10 years of prior related experience. Must have active TS/SCI security clearance. Ability to obtain and maintain Special Access Program (SAP) clearance after hire is required. DoD 8140.03 Level 3 or 4 certification. Preferred Additional Skills: Perform Model Based System Engineering (UML, SysML, UAF). Confugure/operate vulnerability analysis tools such Tenable NESSUS Security products. Develop dashboards, configure rules and operate/administer SEIM/audit reduction tools (e.g., Splunk). In compliance with pay transparency requirements, the salary range for this role in Virginia state is $106,500-$197,500. 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.
Senior Computer Systems Engineer
Leidos Washington, Washington DC
09/07/2026
Full time
Job Description Description Leidos has an exciting opening for you, as our next TS/SCI cleared Senior Systems Engineer, to play a critical role with design, engineering, development and deployment of software supporting the DIA-NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP). Under this 10-year contract containing multiple Task Orders, we support the DOMEX Data Discovery Platform (D3P) Modernization program as well as DIA-OSIC's mission to centralize and standardize Tasking, Collection, Processing, Exploitation and Dissemination (TCPED) of Open Source Intelligence (OSINT) across the DoD and IC enterprise. This position provides an opportunity to have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development. The selected individual will work closely with the Lead Systems Engineer, Release Train Engineer, and government leads to decompose high priority requirements from the product roadmap into valuable delivered solutions, executing on requirements analysis, design, system integration, and system testing. As a Senior Systems Engineer you will lead an application team responsible for maintaining the continuous flow of new software enhancements and deployments, while you manage risks, escalate impediments, and help to drive continuous process improvement. While most work is conducted on-site at our client location in Bethesda, MD, we offer a flexible schedule and, occasionally, some tasks may be performed remotely. You will work closely with the team on the following key tasks: Manage, direct, coordinate, and provide technical direction for all aspects of the team's development efforts. Plan, design, and oversee implementation of software development solutions. Provide technical support, coordination, and execution of systems engineering activities such as feature/requirements analysis, design, implementation planning, integration and test, sustainment, documentation, deployment, and system assessment. Ensure sound engineering practices are followed. Provide direction for interpretation and application of policies and procedures to the engineering and development activities. Develop a working knowledge of government business processes and provide recommendations accordingly. Collaborate with other development teams to identify and develop high-value integrations with other systems/applications. Develop, manage and continually improve the backlog of work items for an Agile scrum team. Update and prioritize stories and epics via feedback from various program stakeholders ensuring the team is always working on the highest-value tasks. Support Scaled Agile Framework (SAFe) program increment planning and execution through creation of work tickets in GitLab as well as program/system documentation using collaboration software (e.g., GitLab wiki). Lead/participate in all Agile ceremonies to include daily stand up, planning, reviews, and retrospectives. Stay informed of increment and sprint progress and work with the team to identify and remove impediments and dependencies. Perform backlog refinement on a regular basis. This may include decomposing features into workable stories, prioritizing or reprioritizing items in the backlog for upcoming sprints, refining acceptance criteria and complexity estimates or removing tickets that are no longer relevant. Accept or reject completed work based on defined acceptance criteria to ensure delivery of high-quality software. Lead the design and architecture of backend systems and services. Drive initiatives across the engineering team related to scalability, reliability, and performance. Develop requirements and design documents Contribute to and review RFCs, and requirements, design, and architecture reviews Coordinate with Test Team to develop and monitor automated system integration tests to identify failed modules and components Manage individual project priorities, deliverables, and deadlines Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of COTS/GOTS in place of new development, and requirements analysis and synthesis from system level to individual software components Foster an environment of collaboration with the different team members in the goal of providing quality service and product to our customers Act as a mentor to mid-level and junior engineers, offering guidance on best practices and career growth To be successful in this role you need the following (required qualifications): BS in Engineering, Computer Science, Systems Engineering, or related field and 12 - 15 years of prior relevant experience or Masters with 10 - 13 years of prior relevant experience. Additional years of experience in lieu of degree are acceptable Must have an active Top Secret security clearance with the ability to obtain and maintain a TS/SCI with Polygraph. Software development experience in languages such as Java or Python. Experience as a Systems Enginer, Product Owner, or a similar role in an Agile software development team. Experience with requirements and design documentation, including process flow diagrams. Demonstrated ability to break down complex problems into actionable steps. Experience managing and prioritizing product backlogs effectively. Strong understanding of Agile methodologies, and experience with tools like Gitlab, Jira, and Confluence. Experience with facilitating scrum for the team (Planning, Retrospective, Grooming & Review/Demo). Excellent communication skills (verbal and written) to articulate technical and non-technical concepts to diverse audiences. Proven ability to work cross-functionally with engineering, design, and project management teams. Demonstrated ability to manage expectations and maintain strong relationships with government and contractor stakeholders. You will wow us even more if you have some of these skills: Experience with Kafka or other message passing systems Experience on a production/enterprise system Cloud infrastructure experience Experience with Appian or other low-code software technologies Experience with any of the following technologies: PostgreSQL Containerization, especially with Docker DevOps practices and tools including Continuous Integration/Continuous Delivery (CI/CD) tools and practices, especially Gitlab or Jenkins GraphQL Keycloak Proactive in identifying tech debt, systemic issues, and areas for team/process improvement Expertise building and maintaining microservices in production in Kubernetes Understanding of Elasticsearch internals: sharding, performance tuning, analyzers, query DSL Elasticsearch certifications or other program stack related certifications Strong Kafka experience: event design, stream processing, performance tuning Familiarity with schema registries and Kafka streaming patterns Familiarity with authentication and authorization products such as Keycloak Experience with security best practices for services: authN/Z, secrets management, data protection GraphQL familiarity Hardware on-prem and cloud-based deployments using Kubernetes Proficiency with infrastructure-as-code (ie CloudFormation, Terraform, Pulumi) Experience of a production/enterprise systems at scale Knowledge of distributed systems concepts (e.g., idempotency, eventual consistency) Experience leading technical projects and mentoring engineers Strong testing discipline with a focus on automation, coverage, and CI/CD pipelines Hands-on development and/or scripting experience, especially Java and Python Experience with AWS cloud-based architecture, services, and software development If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting:June 26, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range:Pay Range $131,300.00 - $237,350.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit . . click apply for full job details