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Date Posted: 2026-06-30 Country: United States of America Location: US-MA-MARLBOROUGH-MA2 1001 Boston Post Rd BLDG 2 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers' toughest challenges and to meet the demands of a rapidly evolving global market. The Strategic Communications team is seeking an experienced Principal Systems Engineers in a role committed to creating creative and cost-effective solutions for our ground and airborne systems. As part of Collins Aerospace, Mission Systems organization, we specialize in developing advanced communication systems, ground and flight computers, sensors, cyber and software solutions, as well as providing integration of Mission Systems. As part of the Strategic Communications Department, the Systems Engineering department supports a variety of communications systems including SATCOM (including AEHF, EHF, X-Band, Ka-Band, Ku-Band, C-Band, and PTW), Line-of-Site (LOS) Radio Terminals and Secure Switching Networks. What You Will Do • Oversee the development of full lifecycle solutions from CONOPS to Validation • Act as a Subject Matter Expert within discipline with advanced to expert knowledge of work area • Oversee and perform lab activities including definition, setup, configuration management, and testing • Ensure Modeling, Hardware, and Software Interfaces utilize a scalable ontology • Oversee and support the Integration of Solutions within their target environment • Coach, review, and delegate work of lower-level professional • Contribute to the development of goals of the discipline and planning efforts (Cost and Schedule) • Influence others regarding policies, practices, and procedures • Manage moderately sized projects or processes • Manage the entrance and exit criteria of Design Reviews, Integration, Dry Run, and Formal Qualification Testing • Review, moderate and document major changes in systems or processes to solve difficult and often complex problems • Analyze and document system behaviors • Support system trade studies, requirements analysis, allocation to subsystems Sign-on Bonus Eligible Qualifications You Must Have • Strong integration and test experience including test procedure development, test execution, test reporting, and test automation • Knowledge of or application of Earned Value Management System (EVMS) • Proficient in tooling to include Microsoft products, or tasking boards (Jira, IBM EWM, etc.) • Active and transferable U.S. government issued SECRET security clearance is required prior to start date • U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience Qualifications We Prefer • Experience in Communication Radio and Systems: SATCOM, LOS/BLOS, AEHF, PTW, or V/UHF • Experience in Environmental Qualification Testing (EQT) • Proficient in tooling to include CAMEO, Rhapsody • Experience in proposal support including writing Basis of Estimates (BOEs) • Experience in System Level Integration, Verification, and Validation (IV&V) for ground based, ship, submarine, or airborne platforms • Experience in Virtual Machine design and deployment • Excellent communication skills (written, verbal, and presentation) and ability to effectively communicate with IPT leaders, hardware and software development engineers, specialty engineers, program managers, and our customers What We Offer • Medical, dental, and vision insurance • Three weeks of vacation for newly hired employees • Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option • Tuition reimbursement program • Student Loan Repayment Program • Life insurance and disability coverage • Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection • Birth, adoption, parental leave benefits • Ovia Health, fertility, and family planning • Adoption Assistance • Autism Benefit • Employee Assistance Plan, including up to 10 free counseling sessions • Healthy You Incentives, wellness rewards program • Doctor on Demand, virtual doctor visits • Bright Horizons, child and elder care services • Teladoc Medical Experts, second opinion program • This position is eligible for relocation assistance • And more! Learn More & Apply Now! Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions - whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you'll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today. Please ensure the role type (defined below) is appropriate for your needs before applying to this role. ONSITE: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. At Collins, the paths we pave together lead to limitless possibility. And the bonds we form - with our customers and with each other propel us all higher, again and again. Apply now and be part of the team that's redefining aerospace, every day. Employee Referral Eligible As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Date Posted: 2026-06-30 Country: United States of America Location: US-MA-MARLBOROUGH-MA2 1001 Boston Post Rd BLDG 2 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers' toughest challenges and to meet the demands of a rapidly evolving global market. The Strategic Communications team is seeking experienced Senior Systems Engineers in a role committed to creating creative and cost-effective solutions for our ground and airborne systems. As part of Collins Aerospace, Mission Systems organization, we specialize in developing advanced communication systems, ground and flight computers, sensors, cyber and software solutions, as well as providing integration of Mission Systems. As part of the Strategic Communications Department, the Systems Engineering department supports a variety of communications systems including SATCOM (including AEHF, EHF, X-Band, Ka-Band, Ku-Band, C-Band, and PTW), Line-of-Site (LOS) Radio Terminals and Secure Switching Networks. What You Will Do • Lead the development of full lifecycle solutions from CONOPS to Validation • Define and perform lab activities including definition, setup, configuration management, and testing • Integrate solutions within their target environment • Coach and review the work of lower level professionals • Influence others regarding policies, practices, and procedures • Manage small projects or processes • Manage the preparation and/or execution of Design Reviews as well as Integration, Dry Run, and Formal Qualification Testing • Review minor and document moderate changes in systems or processes to solve difficult and sometimes complex problems • Influence decision-makers with recommended courses of action • Analyze and document system behaviors • Support system trade studies, requirements analysis, allocation to subsystems • Define Modeling, Hardware, and Software Interfaces Sign-on Bonus Eligible Qualifications You Must Have • Strong integration and test experience including test procedure development, test execution, test reporting, and test automation • Proficient in tooling to include Microsoft products, or tasking boards (Jira, IBM EWM, etc.) • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience Qualifications We Prefer • Experience in Communication Radio and Systems: SATCOM, LOS/BLOS, AEHF, PTW, or V/UHF • Experience in Environmental Qualification Testing (EQT) • Experience in System Level Integration, Verification, and Validation (IV&V) for ground based, ship, submarine, or airborne platforms • Experience in systems support to software application and hardware development • Experience in Virtual Machine design and deployment • Proficient in tooling to include CAMEO, Rhapsody • Outstanding communication skills (written, verbal, and presentation) and ability to effectively communicate with IPT leaders, hardware and software development engineers, specialty engineers, program managers, and our customers What We Offer • Medical, dental, and vision insurance • Three weeks of vacation for newly hired employees • Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option • Tuition reimbursement program • Student Loan Repayment Program • Life insurance and disability coverage • Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection • Birth, adoption, parental leave benefits • Ovia Health, fertility, and family planning • Adoption Assistance • Autism Benefit • Employee Assistance Plan, including up to 10 free counseling sessions • Healthy You Incentives, wellness rewards program • Doctor on Demand, virtual doctor visits • Bright Horizons, child and elder care services • Teladoc Medical Experts, second opinion program • This position is eligible for relocation assistance • And more! Learn More & Apply Now! Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions - whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you'll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today. Please ensure the role type (defined below) is appropriate for your needs before applying to this role. ONSITE: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. At Collins, the paths we pave together lead to limitless possibility. And the bonds we form - with our customers and with each other propel us all higher, again and again. Apply now and be part of the team that's redefining aerospace, every day. Employee Referral Eligible As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

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 Engineering - FPGA & GPU Job Code: 39548 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: Senior Specialist, Systems Engineer - FPGA/GPU & RF Signal Processing. The Senior Specialist, Systems Engineer will be responsible for the architectural design, development, and analysis of advanced FPGA and GPU based signal processing solutions supporting complex ISR sensor systems. The candidate will perform architectural design, coding, test bench development, and simulation activities, while also contributing to broader systems engineering tasks across RF, radar, DSP, and integration domains. This role supports development from concept through integration and delivery, requiring strong analytical skills, technical leadership, and cross-functional coordination. The candidate will set the highest ethical standards for self and others and perform other duties as assigned. Essential Functions: Lead FPGA/GPU architectural design, HDL coding, test bench creation, simulation, and analysis for high performance DSP and signal processing applications. Perform RF, microwave, and radar related analysis including spectrum behavior, propagation effects, receiver/front end characteristics, pulse parameters, PRI/PW/RF measurement, modulation recognition, and emitter characterization. Apply DSP techniques including FFTs, filtering, detection, estimation, and time frequency analysis to support system design and verification. Execute systems engineering tasks including requirements development (JIRA/DOORS), CONOPS definition, integration planning, test procedures, and performance analysis. Work closely with cross-functional engineering teams to plan and conduct system integration testing in laboratory and platform environments. Document system behavior, anomalies, and integration results following established engineering standards; verify and validate system functionality across new and legacy baselines. Support troubleshooting of RF chains, timing/synchronization issues, calibration, and hardware/software interaction during system integration. Collaborate with customers to ensure satisfaction with system performance and to clarify operational requirements. Provide technical updates to management and customers, contributing to schedule, risk, and resource planning. Produce end-user documentation, integration reports, and technical analysis packages as required. Work effectively in a fast-paced environment with time critical program milestones and evolving technical objectives. Active Secret or recently held Top Secret/SCI security clearance with the ability to maintain. Ability to work occasional overtime or weekend hours if required. Qualifications: Bachelor's Degree and minimum 6 years of prior relevant engineering experience. Graduate Degree and a minimum of 4 years of prior related engineering experience. In lieu of a degree, a minimum of 10 years of prior related engineering experience. Demonstrated experience with FPGA or GPU based design, including VHDL/Verilog/CUDA, test benches, and simulation tools. Demonstrated understanding of RF and microwave fundamentals, including antennas, receivers, spectral behavior, and front-end design. Demonstrated experience with signals analysis techniques and tools, including pulse analysis, modulation assessment, and emitter characterization. Demonstrated knowledge of radar fundamentals such as pulse radar, CW/FMCW, LPI principles, scan patterns, and threat system behavior. Demonstrated experience in MATLAB and Python for algorithm development, modeling, automation, data analysis, and visualization. Demonstrated experience working with large IQ/sample data sets and developing automated processing workflows. Demonstrated familiarity with test equipment including spectrum analyzers, signal generators, oscilloscopes, vector signal analyzers, and AWGs. Demonstrated experience with SDR platforms, digitizers, and receiver systems. Preferred Additional Skills: Active TS/SCI. Experience with integration and troubleshooting of complex RF or electronic warfare receiver systems. Experience with JIRA, Confluence, and DOORS for requirements and workflow management. Experience with advanced DSP algorithm development and implementation. Familiarity with system level SEI, LPI/LPE techniques, or advanced emitter analysis methodologies. Experience in software integration and system-level test. Proficiency with standard office and documentation tools. 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.

Date Posted: 2026-06-23 Country: United States of America Location: US-AZ-TUCSON-M E Britannia Dr BRITANNIA M13 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. The Stinger Blk I Missile Production Program's Technical Missile Lead is a technical role responsible for leading a multi-disciplined, geographically dispersed team in the delivery of the Guided Missile Intercept Aerial (GMIA), which is AUR missile. The Technical Missile Lead will frequently interface with internal and external stakeholders, technical subject matter experts, key major suppliers and government customers. The role requires a high level of execution expertise coupled with the ability to lead a high visibility production program. The additional responsibilities of the Technical Missile Lead aspect of the role include ensuring all GMIA related scope across the Stinger Blk I Missile production is executed per proper technical rigor, with a cohesive technical approach and compliant to our execution practices. Occasional Failure Investigations may be conducted to determine the root cause of production issues as well as corrective actions implementation in engineering scope or manufacturing environment. This is an onsite role in Tucson, AZ. What You Will Do Drive execution of work scope as defined in the program schedule and define objectives and technical content for your sub-IPTs (integrated product team) leads Communicate to both RTX and program leadership to provide status, accomplishments, issues, and help needed Provide technical leadership to the Sub-IPTs and many collaborative partners from undefined situations/circumstances Manage the engineering support for the production of a legacy Stinger Blk I missile to deliveries with a challenging schedule Review and/or lead production related Failure Investigations to ensure implementation of proper level of technical rigor and corrective actions Perform data collection activities, including review and analysis of data elements, and provide detailed reports of results Provide technical direction, expertise and review for Technical Data Package (TDP) maintenance Collaborate and effectively communicate with other IPTs, program leadership, customers, and business associates both internal and external to Raytheon Analyzing manufacturing system performance to identify constraints, risks, and improvement opportunities Contributing to strategic roadmaps focused on capacity growth, technology insertion, infrastructure upgrades, obsolescence mitigation, and future capabilities Supporting proposals, business case development, supplier assessments, and Make/Buy/Where analyses Provide mentoring and guidance to team members Collaborate with other IPTs to ensure alignment and coordination of efforts Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience Experience managing a multi-disciplined Hardware Engineering Team Experience with technical team and supplier management Experience using program management tools such as Integrated Master Plan (IMP) and Integrated Master Schedule (IMS), and Risk and Opportunity Management to identify issues and develop recommended courses of action to program leadership Qualifications We Prefer Familiarity with Stinger Blk I Production Program Excellent presentation and proposal skills Ability to manage multiple and competing priorities Strong interpersonal and communication skills Ability as an Integrated Product Team Lead (IPTL) to drive technical failure investigations and production resolutions Experience managing supplier development of complex subsystems Advanced Degree in STEM (Science, Technology, Engineering, or Mathematics) Active Secret Clearance (Department of Defense) 4+ years of experience in managing a multi-disciplined Hardware Engineering Team through the product development lifecycle Expert knowledge of multiple work areas typically obtained through advanced education combined with experience What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Relocation Eligible - Relocation assistance available for this position Learn More & Apply Now! Please consider the following role type definition as you apply for this role. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

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 - ELINT Job Code: 39540 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: L3Harris is seeking a Systems Engineering Specialist who will be involved in activities directly related to the design, and development of complex, specialized SIGINT hardware/software systems to process and manipulate ISR data from multiple data sources. Essential Functions: Works closely with the customer to comprehensively design and implement new system functionality. Writes requirements, supports development, performs integration testing of new or modified products in a Systems Integration Laboratory and on airborne and ground-based platforms. Verifies and validates new baseline functionality while ensuring legacy functionality continues to work as intended. Interface with other Systems Engineers, Agile Development Engineering, Flight Line Test, Product Development, and Project Engineering to understand new baseline functionality. Work closely with L3Harris Internal Research and Development (IR&D) developing proprietary ELINT technology and capabilities. Follow existing standards to document system testing status and anomalies with system hardware and software and verifies subsequent anomaly fixes. Interfaces with the customer to ensure their satisfaction with system performance. Work with management to develop and adhere to schedules and budgets required to accomplish assigned work. Provide regular status updates for ongoing work efforts to management and the customer. Work effectively in a fast-paced, dynamic environment with time-critical requirements. Effective cross-functional communication skills supporting program execution from development through integration and delivery. Analysis of customer requirements, including system and sub-system trade studies, and detailed hardware and software specifications for systems, subsystems, and key components. Development of test planning/procedures of various test equipment including anechoic chambers, spectrum analyzers, and network analyzers. Entire Program/Engineering Life Cycle Phases and Activities. IRAD and Technical Baseline development. Requirements Management. Strong problem solving abilities with thorough documentation, verification, and validation practices Proficiency in digital signal processing (DSP) with strong MATLAB skills for algorithm development, modeling, simulation, and data analysis Solid understanding of DSP fundamentals including filtering, spectral analysis, FFTs, modulation, sampling theory, and noise reduction Ability to support algorithm implementation in C, C++, or Python Active Secret or recent TS/SCI Clearance with the ability to maintain. Working contract proposals. Travel up to 10%. Other duties as assigned by Supervisor. Qualifications: Bachelor's Degree and minimum 6 years of prior relevant engineering experience. Graduate Degree and a minimum of 4 years of prior related engineering experience. In lieu of a degree, a minimum of 10 years of prior related engineering experience. Demonstrated understanding of RF and microwave fundamentals, including antennas, receivers, spectral behavior, and front-end design. Demonstrated experience with signals analysis techniques and tools, including pulse analysis, modulation assessment, and emitter characterization. Demonstrated knowledge of radar fundamentals such as pulse radar, CW/FMCW, LPI principles, scan patterns, and threat system behavior. Preferred Additional Skills: Active TS/SCI Clearance Experience with integration and troubleshooting of complex RF or electronic warfare receiver systems. Experience with JIRA, Confluence, and DOORS for requirements and workflow management. Experience in MATLAB and Python for algorithm development, modeling, automation, data analysis, and visualization. Experience working with large IQ/sample data sets and developing automated processing workflows. Experience with advanced DSP algorithm development and implementation. Familiarity with system level SEI, LPI/LPE techniques, or advanced emitter analysis methodologies. Experience in software integration and system-level test. Proficiency with standard office and documentation tools. 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.

Date Posted: 2026-06-30 Country: United States of America Location: US-CO-AURORA-S E Centretech Pkwy BLDG S75 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: TS/SCI without Polygraph Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world. We have an exciting opportunity for a Senior Systems Engineer - Product Owner supporting one of our premier programs within Raytheon, an RTX Business. In this role, you will work with a cross-disciplinary team of engineers to drive innovation and deliver industry-leading ground system solutions supporting critical customer missions. As the Product Owner, you will serve as the primary link between the Product Manager, Chief Engineer, and key stakeholders, owning the vision, strategy, and execution of a mission-critical ground software capability. Your technical expertise, leadership, and ability to drive execution in an Agile environment will be instrumental to the success of the program. What You Will Do Own and communicate the vision, strategy, and roadmap for a ground system component, ensuring alignment across program teams and stakeholders Collaborate with the Scrum Master and engineering teams to plan and execute Program Increments (PIs) within a SAFe Agile environment Translate customer needs, mission objectives, and operational concepts into actionable technical requirements, acceptance criteria, and system designs Manage and prioritize the team backlog, balancing feature development, technical debt, and program objectives Lead readiness reviews, design reviews, demonstrations, and technical presentations for customers and senior program leadership Develop and communicate technical documentation, implementation guidance, and product strategies across the organization Qualifications You Must Have Typically requires a Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) and minimum of 5 years of prior relevant experience Experience serving as a Product Owner, Product Manager, Technical Lead, or similar leadership role within an Agile development environment Experience with satellite ground systems, mission operations, or systems engineering functions such as requirements management, interface definition, and technical risk management Experience using Agile development and collaboration tools such as Jira and Confluence, along with familiarity working in DevSecOps and CI/CD environments Active and transferable U.S. government-issued TS/SCI security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Qualifications We Prefer Experience leading multi-disciplinary engineering teams across systems, software, integration, and test disciplines Experience with automated testing and software factory tools such as Cucumber, Gherkin, and Zephyr Experience developing software in Java, C++, Python, or similar programming languages Experience working in a Satellite Ground System development or operations environment What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation Relocation eligible Learn More & Apply Now! Please consider the following role type definition as you apply for this role: Onsite: Employees who are working in onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the U.S. Department of State website here: Location: Aurora, CO: As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. 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