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320 systems software engineer jobs found

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Lockheed Martin
Apr 17, 2026
Cyber Systems Software Engineer- Early Career
Lockheed Martin Huntsville, AL
Description: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours. The Cyber Software Engineer Associate will develop secure Python applications/tools by writing, reviewing, and maintaining high‑quality code, incorporating essential security controls such as authentication, encryption, and input validation....
General Dynamics Mission Systems, Inc
Apr 29, 2026
Intern Engineer - Systems, Software, Electrical, Test
General Dynamics Mission Systems, Inc Scottsdale, AZ
Basic Qualifications Candidates should demonstrate a thorough understanding of engineering technology.  Engineering Interns must be enrolled in an accredited degree program in Computer Engineering, Systems Engineering, Software Engineering, Electrical Engineering, Mechanical Engineering or other related scientific or technical discipline with a preference for a standing of a sophomore or higher.     Department of Defense Secret security clearance is preferred at time of hire. Candidates must be able to obtain a Secret clearance within a reasonable amount of time from date 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 REPRESENTATIVE DUTIES AND TASKS: Apply your classroom-learned skills...
Lockheed Martin
Apr 23, 2026
Simulation Software Engineer - GMD Weapons Systems (GWS)
Lockheed Martin Huntsville, AL
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 engineer will work in a collaborative environment working internal model framework development, internal tactical to model conversion, supporting application development and translation of coding languages for modernization efforts. On occasion you will work to support deliverable documentation of the models developed after performing a verification and validation effort. Who We Are Lockheed Martin is a global aerospace, defense, and security company dedicated to advancing scientific discovery and harnessing...
General Dynamics Mission Systems, Inc
Mar 05, 2026
Software Systems Engineer
General Dynamics Mission Systems, Inc Pittsburgh, PA
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.   CLEARANCE REQUIREMENTS: Ability to obtain a Department of Defense TS/SCI 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:   Developing mission-critical systems that help keep people safe is what we do. At General Dynamics Mission Systems, you’ll be part of the team that helps heroes make a true impact. The work we do is important. The challenges we face are...
Lockheed Martin
Apr 22, 2026
Software Engineer
Lockheed Martin Moorestown, NJ
Description: What We're Doing Lockheed Martin is shaping the future of defense through cutting edge radar and missile defense technologies, and we want you to help write the next chapter. As the premier developer of active electronically scanned array (AESA) radars and integrated air and missile defense solutions for the U.S. military, our allies, and more than 45 nations worldwide, we deliver world class situational awareness, early warning, and kill assessment capabilities in the most demanding environments. Join a global team of 35 000 engineers, software developers, and cyber experts who turn complex challenges into reliable, next generation systems that keep warfighters ahead of emerging threats. Your talent will power everything from space domain awareness to ground based radar testbeds, ensuring the safety of today’s forces and the security of tomorrow’s world. The Work The Lockheed Martin Rotary & Mission Systems Software Engineer will have the opportunity to...
Lockheed Martin
Mar 17, 2026
Software Engineer Sr
Lockheed Martin Moorestown, NJ
Description: What We're Doing Lockheed Martin is shaping the future of defense through cutting edge radar and missile defense technologies, and we want you to help write the next chapter. As the premier developer of active electronically scanned array (AESA) radars and integrated air and missile defense solutions for the U.S. military, our allies, and more than 45 nations worldwide, we deliver world class situational awareness, early warning, and kill assessment capabilities in the most demanding environments. Join a global team of 35 000 engineers, software developers, and cyber experts who turn complex challenges into reliable, next generation systems that keep warfighters ahead of emerging threats. Your talent will power everything from space domain awareness to ground based radar testbeds, ensuring the safety of today’s forces and the security of tomorrow’s world. The Work The Lockheed Martin Rotary & Mission Systems Software Engineer will have the opportunity to...
Lockheed Martin
Mar 14, 2026
Software Engineer (C++ Software Development)
Lockheed Martin Moorestown, NJ
Description: What We're Doing Lockheed Martin is shaping the future of defense through cutting edge radar and missile defense technologies, and we want you to help write the next chapter. As the premier developer of active electronically scanned array (AESA) radars and integrated air and missile defense solutions for the U.S. military, our allies, and more than 45 nations worldwide, we deliver world class situational awareness, early warning, and kill assessment capabilities in the most demanding environments. Join a global team of 35 000 engineers, software developers, and cyber experts who turn complex challenges into reliable, next generation systems that keep warfighters ahead of emerging threats. Your talent will power everything from space domain awareness to ground based radar testbeds, ensuring the safety of today’s forces and the security of tomorrow’s world. The Work The Lockheed Martin Rotary & Mission Systems Software Engineer will have the opportunity to...
Lockheed Martin
Apr 22, 2026
Automated Software Test Engineer - GMD Weapons Systems (GWS)
Lockheed Martin Huntsville, AL
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 engineer will support a fast-pace, forward looking Software Development environment on the Architecture and Delivery (A&D) product team's Automated Test and Verification team, with tasking directed at Continuous Integration and Continuous Deliver (CI/CD). Who We Are Lockheed Martin is a global aerospace, defense, and security company dedicated to advancing scientific discovery and harnessing innovation to make the world a safer place. Our RMS business in Huntsville, AL is a hub of talented engineers,...
Lockheed Martin
Apr 22, 2026
Sr Automated Software Test Engineer - GMD Weapons Systems (GWS)
Lockheed Martin Huntsville, AL
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 engineer will support a fast-pace, forward looking Software Development environment on the Architecture and Delivery (A&D) product team's Automated Test and Verification team, with tasking directed at Continuous Integration and Continuous Deliver (CI/CD). Who We Are Lockheed Martin is a global aerospace, defense, and security company dedicated to advancing scientific discovery and harnessing innovation to make the world a safer place. Our RMS business in Huntsville, AL is a hub of talented engineers,...
Lockheed Martin
Apr 21, 2026
Automated Software Test Engineer - GMD Weapons Systems (GWS)
Lockheed Martin Huntsville, AL
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 Test Engineer responsibilities will include the support of the GWS-GSS IPT. You be responsible for scheduling the tests for execution and then will monitor, measure, control and report on the test progress, the product quality status and the test results, adapting the test plan and compensating as needed to adjust for evolving conditions. Who We Are Lockheed Martin is a global aerospace, defense, and security company dedicated to advancing scientific discovery and harnessing innovation to make the world a...
Lockheed Martin
Apr 15, 2026
Software Engineer - GMD Weapons Systems (GWS)
Lockheed Martin Huntsville, AL
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), you will work in collaborative environment to understand, implement, and test existing and new capabilities and algorithms and may participate in code modernization and translating Ada code to C++. The algorithms and capabilities implemented by the Engagement Planner team are mathematics and physics based complex solutions that will be highly visible to the GWS customer, Missile Defense Agency (MDA). You will also be expected to support reviews of requirements and...
Lockheed Martin
Mar 31, 2026
Automated Software Test Engineer, Stf - GMD Weapons Systems (GWS)
Lockheed Martin Huntsville, AL
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 engineer will support a fast-pace, forward looking Software Development environment on the Architecture and Delivery (A&D) product team's Automated Test and Verification team, with tasking directed at Continuous Integration and Continuous Deliver (CI/CD). Who We Are Lockheed Martin is a global aerospace, defense, and security company dedicated to advancing scientific discovery and harnessing innovation to make the world a safer place. Our RMS business in Huntsville, AL is a hub of talented engineers,...
Lockheed Martin
Mar 10, 2026
Software Engineer, Sr - GMD Weapons Systems (GWS)
Lockheed Martin Huntsville, AL
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 25, 2026
Automated Software Test Engineer - GMD Weapons Systems (GWS)
Lockheed Martin Huntsville, AL
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 Test Engineer responsibilities will include the support of the Ground Weapons System (GWS) program as an individual contributor on the Test Team for the Ground Fire Control (GFC) product. The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and collaborative/teams comprised of all experience levels. Who We Are Lockheed Martin is a global aerospace, defense, and security company dedicated to advancing scientific discovery and...
Lockheed Martin
Apr 29, 2026
Systems Engineer, GMD Weapons Systems (GWS)
Lockheed Martin Huntsville, AL
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 Systems Engineer to support the IFICS Data Terminal (IDT) product team on the Ground Based Mid-course Defense (GMD) Weapon System (GWS) program. The candidate should have experience taking on progressively challenging responsibilities, demonstrating initiative, and driving innovative solutions. They should be recognized as a self-starter with a proven ability to lead teams, learn quickly, and deliver results in dynamic environments. In this role the candidate will perform Systems Engineering functions such as...
Lockheed Martin
Apr 29, 2026
Systems Engineer, Staff - Requirements and Verification
Lockheed Martin Littleton, CO
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
Apr 29, 2026
Network Engineer - Secret Clearance
Lockheed Martin Colorado Springs, CO
Description: What We’re Doing Our team, the Command and Control, Battle Management and Communications (C2BMC) team at Lockheed Martin, is dedicated to engineering, developing, and integrating new capabilities for the Missile Defense System that protects the United States and its allies. While we are part of a large organization, we operate within smaller, agile teams in a fast-paced, dynamic environment. Our responsibilities include Sensor/Weapon Integration, Algorithm Development, User Interface Development, Automated Testing, Cyber Security, and enhancing critical missile defense technologies. The Work Candidate will be a primary Network Engineer supporting the C2BMC Program. In this role the candidate will serve as a Network Engineer and Developer supporting network build out and deployments to the operational environment as necessary. The candidate will work within an agile scrum team and plan work based on customer requirements and program contractual agreements. The...
Lockheed Martin
Apr 29, 2026
Cyber Software Engineer Senior Staff – DSP
Lockheed Martin Herndon, VA
Description: This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! This position may be eligible for a $25K sign on bonus for external hires! Cyber Software Engineer Princ. - DSP WHAT WE’RE DOING Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK The GG SIGNAL SWE leading multi faceted mission critical system development,...
General Dynamics Mission Systems, Inc
Apr 29, 2026
Embedded Software Engineer – Entry Level
General Dynamics Mission Systems, Inc Bloomington, MN
Basic Qualifications Requires a Bachelor’s degree in Software Engineering, or a related Science, Engineering or Mathematics field. Agile experience preferred.     CLEARANCE REQUIREMENTS: : [Department of Defense Secret security clearance is preferred 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 Software Engineer for Airborne Systems, you’ll be a member of a cross functional team responsible for airborne computers that process and display mission data in the cockpit, to crypto products for identifying friendly aircraft, and weapon control systems that enable the launch and control of precision guided weapons, we work to ensure the world's...
General Dynamics Mission Systems, Inc
Apr 29, 2026
Software Engineer – Entry Level - Secret Clearance Required
General Dynamics Mission Systems, Inc Dedham, MA
Basic Qualifications Requires a Bachelor’s degree in Software Engineering, or a related Science, Engineering or Mathematics field. 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 ROLE AND POSITION OBJECTIVES: As a software engineer for the NC3 business segment, you’ll be a member of a cross functional team responsible for design, development and test of the next generation of Strategic Systems.   We encourage you to apply if you have any of these preferred skills or experiences: Object oriented development Agile experience SASTs tools GitLab...
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