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39 sr systems engineer jobs found

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Security Clearance United States sr systems engineer
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General Dynamics Mission Systems, Inc
Mar 11, 2026
Sr. Systems Engineer - Trident II
General Dynamics Mission Systems, Inc Pittsfield, MA, USA
Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Agile experience preferred.   CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is preferred at time of hire and will be required. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position Make the world’s most advance d Fire Control System even smarte r!   As an Advanced Systems Engineer f or D5LE2, you’ll be a member of a cross functional team responsible for modernizing the Strategic Weapon Control system in support of the...
General Dynamics Mission Systems, Inc
Feb 17, 2026
Sr Systems Engineer - Program Protection
General Dynamics Mission Systems, Inc Pittsfield, MA, USA
Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 2+ years of job-related experience, or a Master's degree and 6 months of job-related experience. Agile experience preferred,   CLEARANCE REQUIREMENTS: : Department of Defense Secret security clearance is obtainable within a reasonable amount of time after hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position Join us, and make the world’s most advanced Fire Control System even smarter! As a Sr Systems Engineer for Program Protection, you’ll be a member of a cross functional team responsible for modernizing the Strategic Weapon Control...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Sr Systems Engineer - FCS
General Dynamics Mission Systems, Inc Pittsfield, MA, USA
Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 2+ years of job-related experience, or a Master's degree and 6 months of job-related experience. Agile experience preferred,   CLEARANCE REQUIREMENTS: : Department of Defense Secret security clearance is obtainable within a reasonable amount of time after hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position Joinb us, and make the world’s most advanced Fire Control System even smarter! As a Sr Systems Engineer for Fire Control Systems group, you’ll be a member of a cross functional team responsible for modernizing the Strategic Weapon...
Lockheed Martin
Mar 13, 2026
Systems Engineer Sr
Lockheed Martin Mount Laurel Township, NJ, USA
Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work Lockheed Martin Rotary Mission Systems (RMS) in Mount Laurel, NJ is seeking a full time Sr. Systems Engineer. In this role, you will perform analysis, design, integration and test on mission critical software and hardware The successful candidate will have experience and/or knowledge of the Linux Operating System, troubleshooting product and system level issues. Candidate will be considered a product owner or scrum master or a Baseline Delivery Lead. This position is located at the facility that requires special access. Position requires a government security clearance. U.S. Citizenship required. Who We Are Lockheed Martin is a global aerospace, defense, and security company...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Sr Advanced Systems Engineer
General Dynamics Mission Systems, Inc Manassas, VA, USA
Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Agile experience preferred.     CLEARANCE REQUIREMENTS: : Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position Key Responsibilities: Provide senior technical expertise and guidance for systems engineering activities across payload systems programs Lead requirements management, architecture development, and technical solutions that balance customer needs with program...
General Dynamics Mission Systems, Inc
Mar 26, 2026
Senior Systems Engineer
General Dynamics Mission Systems, Inc Pittsfield, MA, USA
Basic Qualifications Bachelor’s degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree, plus a minimum of 3 years of relevant experience.   CLEARANCE REQUIREMENTS: : Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES: As a Sr Systems Engineer for Fleet Ballistic Missile Auxiliary and Training Systems , you’ll be a member of a cross functional team responsible for development, production, installation and sustainment support of the Ohio-class and Columbia-class’ Trident II Fire Control...
Lockheed Martin
Mar 21, 2026
Systems Engineer - Requirements and Verification Sr.
Lockheed Martin Littleton, CO, USA
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. For over 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
Mar 21, 2026
Systems Engineer - Requirements and Verification Sr.
Lockheed Martin Littleton, CO, USA
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. For over 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
Mar 13, 2026
Systems Integration and Test Engineer Sr
Lockheed Martin Moorestown, NJ, USA
Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work Here at Lockheed Martin's Rotary and Mission Systems (RMS) business in Moorestown, NJ we are responsible for integrating, testing, and demonstrating some of our customers most complex systems. As the Engineer in our System Integration and Test (SI&T) department, you will be a part of the team responsible for high level system design, system test planning and test execution for our key customers, including US Navy, US Coast Guard, US Missile Defense Agency, US Air Force, and international customers. In this position, the successful candidate will experience responsibilities in one or more of the following domains: • System-level integration of software and hardware components...
Lockheed Martin
Mar 11, 2026
Systems Engineer, Sr (Requirements)-GMD Weapons Systems Huntsville AL
Lockheed Martin Huntsville, AL, USA
Description: What We're Doing Become a part of something IMPACT-ful! Ground Missile Defense (GMD) is the heart of the Missile Defense System and a key element of our nation’s defense against ballistic missile attacks. The GMD Weapon System (GWS) processes data from multiple sensors to identify and characterize the inbound ballistic missile threat, plans the best defensive solution, and launches the intercepting missiles to negate the threat. The Work The selected Systems Engineer responsibilities will include the support of the Ground Weapons System (GWS) program as an individual contributor on the A&D Requirements team. This role is responsible for developing Systems Engineering products that directly support the design and development of the GWS capability on behalf of the Missile Defense Agency (MDA). The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, collaborative/teams comprised of all...
Lockheed Martin
Mar 11, 2026
Systems Engineer Sr. Staff - SE&IT
Lockheed Martin Huntsville, AL, USA
Description: WHAT WE'RE DOING • Advancing the Integrated Discrimination and Electronic Protection capabilities of the Missile Defense System (MDS) • Leading systems engineering trades, analysis, and studies related to requirements generation • Developing and delivering MDS capabilities and engineering artifacts into the Technical Baseline (TBL) THE WORK • Performance analyst to develop, benchmark, and utilize medium-level fidelity and first principles physics-based simulations to conduct analysis and develop requirements for integrated multi-phenomenology sensors, battle management command control & communications, and weapon systems for the Missile Defense Agency. • Support and develop analysis planning and tool developments, Support requirements product development, and potentially represent the Systems Engineering and Integration Team to Missile Defense Agency to internal and external stakeholders in reviews and technical interchanges related to analysis. • Collaborate...
Lockheed Martin
Mar 10, 2026
Systems Engineer Sr.- SE&IT
Lockheed Martin Huntsville, AL, USA
Description: WHAT WE'RE DOING • Advancing the Integrated Discrimination and Electronic Protection capabilities of the Missile Defense System (MDS) • Leading systems engineering trades, analysis, and studies related to requirements generation • Developing and delivering MDS capabilities and engineering artifacts into the Technical Baseline (TBL) THE WORK • Performance analyst to develop, benchmark, and utilize medium-level fidelity and first principles physics-based simulations to conduct analysis and develop requirements for integrated multi-phenomenology sensors, battle management command control & communications, and weapon systems for the Missile Defense Agency. • Support and develop analysis planning and tool developments, Support requirements product development, and potentially represent the Systems Engineering and Integration Team to Missile Defense Agency to internal and external stakeholders in reviews and technical interchanges related to analysis. • Collaborate...
Lockheed Martin
Mar 10, 2026
Software Engineer, Sr - GMD Weapons Systems (GWS)
Lockheed Martin Huntsville, AL, USA
Description: What We're Doing Become a part of something IMPACT-ful! Ground Missile Defense (GMD) is the heart of the Missile Defense System and a key element of our nation’s defense against ballistic missile attacks. The GMD Weapon System (GWS) processes data from multiple sensors to identify and characterize the inbound ballistic missile threat, plans the best defensive solution, and launches the intercepting missiles to negate the threat. The Work As a software developer on the GMD Weapon System (GWS) Fire Control (GFC) Battle Manager software team, you will be part of the team that writes the software (currently ~1.5million lines of code) that controls the missile defense system that protects the US. You will work in a collaborative environment to understand, implement, and test existing and new capabilities and algorithms. Many of the algorithms and capabilities implemented by the GFC team are mathematics and physics based complex solutions that will be highly...
Lockheed Martin
Feb 27, 2026
Electrical Systems Engineer Sr. - Requirements and Verification
Lockheed Martin Littleton, CO, USA
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
Feb 26, 2026
Physics Modeling Systems Engineer, Sr
Lockheed Martin Mount Laurel Township, NJ, USA
Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work We are seeking an experienced Senior Systems Engineer to support multiple Rotary and Mission Systems (RMS) programs and participate in all phases of the systems engineering process (system design, requirements development, modeling and simulation and test). The engineer will leverage RMS systems engineering processes and procedures while performing their respective engineering and verification activities. In this important role, you will collaborate in an Agile environment with other engineering disciplines and program personnel. A desire to learn and adopt emerging technologies and tools will be key to success in this role. The core responsibilities of this role will be: •...
Lockheed Martin
Feb 10, 2026
Systems Engineer Sr. Staff - SE & IT
Lockheed Martin Huntsville, AL, USA
Description: WHAT WE'RE DOING • Advancing the Integrated Discrimination and Electronic Protection capabilities of the Missile Defense System (MDS) • Leading systems engineering trades, analysis, and studies related to requirements generation • Developing and delivering MDS capabilities and engineering artifacts into the Technical Baseline (TBL) THE WORK • Perform model-based systems engineering (MBSE) functional and behavior analysis for the defeat of conventional and advanced Threats (e.g., ballistic, aero-maneuvering, hypersonic, hyper-glide, countermeasures, etc.) systems within the Missile Defense Agency’s (MDA) mission area. • Participate in a MBSE environment to develop system-of-systems requirements via system/component trade studies and analysis. • Contribute to publishing change notices to MDA’s system specification and update of requirements databases, architectural models, interface definitions, and DoDAF 2+ compliant based design packages to document, allocate...
Lockheed Martin
Feb 10, 2026
Systems Engineer MBSE Integrator Sr. Staff - SE&IT
Lockheed Martin Huntsville, AL, USA
Description: WHAT WE'RE DOING • Advancing the Integrated Discrimination and Electronic Protection capabilities of the Missile Defense System (MDS) • Leading systems engineering trades, analysis, and studies related to requirements generation • Developing and delivering MDS capabilities and engineering artifacts into the Technical Baseline (TBL) THE WORK • The successful candidate will lead efforts to integrate Model Based Systems Engineering (MBSE) capabilities and tools within the System Design and Requirements (SD&R) capability team, as well as coordinating MBSE efforts across other program and customer teams. This includes taking an administrative role with the program’s model and metamodel, hosted in Cameo. • Collaborative efforts include integrating the program model with customer models at multiple levels and adding additional capabilities to the functional model, such as Reliability/Availability/Maintainability (RAM) analysis and parametric integration of numerical...
Lockheed Martin
Mar 28, 2026
Aircraft Field Support Engineer Associate Manager, F-35 Program
Lockheed Martin AZ, USA
Description: Join the Lockheed Martin Aeronautics Field Sustainment Team as Aircraft Field Support Engineering Associate Manager, F-35 Program! This leadership position will have responsibility for Field Support Engineers (FSE) assigned to Luke Air Force Base, Arizona in support of the F-35 program. What You Will Be Doing The selected candidate will also perform as an F-35 Mission Systems (MS)/Avionics (AVS), Supportable Low Observable (SLO)/Structures or Vehicle Systems Field Support Engineer (FSE). FSE Responsibilities: The candidate will act as part of the Lockheed Martin Aeronautics Field Sustainment (AFS) technical interface to the on-site customer (both Operations and Maintenance) in resolving issues arising from maintenance and modification activities for all matters dealing with the F-35 aircraft. Accomplish troubleshooting and analysis of difficulties experienced in the field. Attend debriefings, to aid in the rapid identification of emerging issues that require...
Lockheed Martin
Mar 27, 2026
Dev Sec Ops Engineer
Lockheed Martin Boulder, CO, USA
Description: WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. And we’re reimagining how space can connect us, ensuring security and prosperity. THE WORK The Lockheed Martin Next Generation Interceptor (NGI) team is seeking experienced DevSecOps Engineer with an active Secret clearance to work from either our Boulder, CO or Longmont, CO location(s). This is an...
Lockheed Martin
Mar 24, 2026
Project Engineer Staff
Lockheed Martin Huntsville, AL, USA
Description: WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. THE WORK Lockheed Martin is seeking a talented Project Engineer with a Secret clearance to work from our Huntsville, AL location. This is an MID-SR CAREER (level 4) ROLE where candidates typically require 5+ years of professional experience. As a Project Engineer, supporting THAAD Post Production, you will be responsible for planning, development, implementation, and management of effective and affordable weapons, materiel, or information systems product support strategies. In addition, you will: •Lead the creation, maintenance, and dissemination of troubleshooting procedures and support...
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