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19 systems engineering jobs found

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Lockheed Martin
Apr 16, 2026
Cyber Systems Security Engineer Staff
Lockheed Martin King of Prussia, PA
Description: Cyber Systems Security Engineer (CSSE) – TTWCS Program What We're Doing At Lockheed Martin Rotary and Mission Systems, we are shaping the future of defense and security through innovation, integrity, and visionary thinking. Our teams apply the highest standards of business ethics and technical expertise to design solutions that safeguard our nation and allies. Every day, we push boundaries to ensure mission success—and we invite you to be part of this critical work. The Work As a Cyber Systems Security Engineer (CSSE) supporting the TTWCS program, you will: Perform periodic manual and automated STIG evaluations, tracking deltas across versions and platforms. Conduct cyber risk assessment activities, including threat modeling, vulnerability analysis, and evaluation of mitigation strategies. Develop, analyze, and validate security design constraints within the cyber domain. Collaborate with cybersecurity engineers, system architects, and developers to ensure...
Lockheed Martin
Apr 16, 2026
Cyber Systems Security Engineer Senior
Lockheed Martin King of Prussia, PA
Description: Cyber Systems Security Engineer (CSSE) – TTWCS Program What We're Doing At Lockheed Martin Rotary and Mission Systems, we are shaping the future of defense and security through innovation, integrity, and visionary thinking. Our teams apply the highest standards of business ethics and technical expertise to design solutions that safeguard our nation and allies. Every day, we push boundaries to ensure mission success—and we invite you to be part of this critical work. The Work As a Cyber Systems Security Engineer (CSSE) supporting the TTWCS program, you will: Support the TTWCS modernization effort with architecting new solutions. Conduct cyber risk assessment activities, including threat modeling, vulnerability analysis, and evaluation of mitigation strategies. Develop, analyze, and validate security design constraints within the cyber domain. Collaborate with cybersecurity engineers, system architects, and developers to ensure robust, secure system...
Lockheed Martin
Apr 15, 2026
Dev Sec Ops Engineer
Lockheed Martin King of Prussia, PA
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. As a Dev Sec Ops Engineer you will: • Collaborate with Infrastructure Technical...
Lockheed Martin
Apr 15, 2026
Dev Sec Ops Engineer
Lockheed Martin King of Prussia, PA
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. As a Dev Sec Ops Engineer you will: • Collaborate with Infrastructure Technical...
Lockheed Martin
Apr 08, 2026
Systems Engineer Sr
Lockheed Martin King of Prussia, PA
Description: Looking for a career with purpose? One that challenges your mind, grows your skills and contributes to our Nation’s most critical missions? Do you pride yourself on solving problems that others think are impossible? If you answered yes to these questions, then we would like you to join Lockheed Martin's Space Mission Solutions, S2CO, Space Ground & Comm Systems Engineering Team! Mission Solutions develops, delivers, and operates affordable engineering and sustainment solutions for commercial, military and intelligence users across the globe. These mission critical efforts include development of innovative enterprise, cloud and application-based solutions for mission management, command and control, collection orchestration and tasking, processing, data analysis and analytics along with premier operations and sustainment capabilities of space-based programs in support of national security. This position is for a Systems Engineer to join the System...
Lockheed Martin
Apr 04, 2026
LM Perspectives
Lockheed Martin King of Prussia, PA
Description: WHAT WE’RE DOING Lockheed Martin is advancing next-generation Integrated Air and Missile Defense (IAMD) capabilities that protect national security and enable mission success across land, sea, and multi-domain environments. To support growing demand across our IAMD programs, we are hosting a virtual hiring event: LM Perspectives: Integrated Air & Missile Defense (IAMD) April 23 | 5:00–6:00 PM (ET) This event will connect experienced engineering professionals with our leaders and technical experts to explore how Lockheed Martin is shaping the future of missile defense—and how you can be part of it. Registration Link: Register here for LM Perspectives: Integrated Air & Missile Defense (IAMD) THE WORK During this virtual session, you will: Gain insight into Lockheed Martin’s IAMD mission and technology landscape Hear directly from engineering leaders about current programs and future opportunities Learn how our teams are solving complex...
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
Feb 25, 2026
Senior Systems Engineer
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING Want to work with cutting-edge technologies in a fun, fast-paced, and dynamic environment? Are you a problem solver that takes on challenges that others think are impossible? If you answered yes to these questions, then we invite you to join Lockheed Martin Rotary and Missions Systems (RMS) as a Systems Engineer! Lockheed Martin is a global leader in aerospace, defense, and technology solutions. You will be joining Lockheed Martin Rotary and Mission Systems supporting the Tactical Tomahawk Weapons Control System (TTWCS) program in Valley Forge, PA. THE WORK We are in search of an experienced Systems Engineer to join our team. As an Engineering Professional on the TTWCS program, you will perform system engineering efforts leading change packages to the existing software system, performing requirements development, interface design, system architecture, and aid in the design and development of future systems. The work location will be in...
Lockheed Martin
Feb 18, 2026
Sr Mass Properties Engineer
Lockheed Martin King of Prussia, PA
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. Mass Properties Engineering is the art and science of predicting the mass properties of...
Lockheed Martin
Apr 21, 2026
Cybersecurity Engineer (Level 2-4)
Lockheed Martin King of Prussia, PA
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. Lockheed Martin Space will be hosting an invitation only in-person Hiring Event in King...
Lockheed Martin
Apr 14, 2026
Information System Security Manager (ISSM)
Lockheed Martin King of Prussia, PA
Description: Who we are: Lockheed Martin is a pioneer in cyber security—partnering, innovating, and building cutting edge solutions. Our talented employees tackle the world’s toughest engineering challenges every day, leveraging their unique skills and experiences to design and deliver breakthrough technology. We empower our people to think big, perform with excellence, and create extraordinary products. If you have the passion and courage to dream boldly, join our culture and help build a better tomorrow. We provide the resources, inspiration, and focus you need to succeed. What We’re Doing: At Lockheed Martin Rotary and Mission Systems, we are driven by innovation and integrity. We believe that by applying the highest standards of business ethics and visionary thinking, everything is within our reach and yours as a Lockheed Martin employee. Lockheed Martin values your skills, training, and education. As a cyber security professional at Lockheed Martin, you'll be part of...
LMI
Apr 08, 2026
Information Systems Security Manager (ISSM)
LMI Mechanicsburg, PA
Overview We’re looking for an Information Systems Security Manager (ISSM) responsible for overseeing and managing the risks associated with information systems security for the NADACS Program. This role involves ensuring compliance with relevant cybersecurity standards, frameworks, and regulations while proactively identifying opportunities to enhance the program’s security posture. The ISSM collaborates closely with stakeholders to develop, implement, and maintain security policies, procedures, and controls that safeguard the integrity, confidentiality, and availability of NADACS systems. Ability to travel to client site in Mechanicsburg, PA required at times. Candidates local to Mechanicsburg, PA highly preferred.    LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to...
Lockheed Martin
Mar 25, 2026
Information System Security Manager (ISSM) KOP
Lockheed Martin King of Prussia, PA
Description: Lockheed Martin’s Rotary and Mission Systems (RMS) Classified Cyber Security organization is looking for a Classified Cyber Security Manager who will serve as the on site cyber leader for our classified programs. In this role you will own the day to day security posture of the site’s classified systems and infrastructure, serve as the facility Information Systems Security Manager (ISSM), and provide authoritative guidance on all matters of confidentiality, integrity, and availability. You will lead a team of cyber professionals, partner with engineering and program leads, and ensure that security governance, risk management, and compliance are embedded into every operational and development activity across the site. Minimum Final Secret Clearance Required Minimum 8 + years of progressive experience in cybersecurity, with at least 3 + years in an ISSM or site leadership role for classified systems. Key Responsibilities: • Own the execution of business enablement...
Lockheed Martin
Mar 24, 2026
DevSecOps Engineer, Staff
Lockheed Martin King of Prussia, PA
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. LM SPACE: 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. THE WORK Lockheed Martin is seeking a talented DevSecOps Engineer with a Final Top Secret security clearance to work from either our King of Prussia, PA or Littleton, CO location(s). This is an MID-SR CAREER (level 4) ROLE where candidates typically require 5+ years of professional...
Lockheed Martin
Mar 04, 2026
Information Systems Security Officer - Mid Career (Level 3)
Lockheed Martin King of Prussia, PA
Description: This position requires Final Secret clearance with ability to obtain Top Secret. The Cybersecurity Analyst will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) in King of Prussia, PA. Classified Cybersecurity Analysts help secure lifesaving products and critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability and commercial use. The work that Cybersecurity Analysts do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones – this is dynamic, gratifying and impactful work! - You will have the opportunity to engage in all aspects of the cyber discipline - You can enjoy a work-life balance that allows for flex hours and a...
Lockheed Martin
Feb 21, 2026
Ground Software Engineer
Lockheed Martin King of Prussia, PA
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. LM SPACE: 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 Lockheed Martin's Stinger Program is seeking a talented Software Engineer with an active TS/SCI clearance to work from either our Littleton, CO or King of Prussia, PA location(s). This is an MID-SR...
Lockheed Martin
Feb 18, 2026
Cyber Security Engineering Asc Manager
Lockheed Martin King of Prussia, PA
Description: The coolest jobs on this planet … or any other … are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world’s hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build incredible products. We provide the resources, the support, and the focus. You bring the passion and courage to envision limitless possibilities. Together, we’ll build a better tomorrow. Are you ready to further your career in Cyber Security by working for one of the top companies in the world? This position is for a Cyber Systems Security Engineering Manager. The selected candidate will be part of a dynamic, team-oriented, and collaborative Cyber engineering team that leads the...
Lockheed Martin
Jan 28, 2026
Information System Security Officer (TS/SCI & Expat to Guam Required)
Lockheed Martin King of Prussia, PA
Description: *** PLEASE NOTE THIS POSITION REQUIRES THE CANDIDATE TO EXPATRIATE FULL TIME TO GUAM FOR 6-12 MONTHS WITH POSSIBILITY OF EXTENSION*** IN ADDITION, THE SELECTED CANDIDATE WILL BE REQUIRED TO ATTEND TRAINING IN KING OF PRUSSIA, PA UPON ONBOARDING. Who We Are: Lockheed Martin is a pioneer in cyber security—partnering, innovating, and building cutting edge solutions. Our talented employees tackle the world’s toughest engineering challenges every day, leveraging their unique skills and experiences to design and deliver breakthrough technology. We empower our people to think big, perform with excellence, and create extraordinary products. If you have the passion and courage to dream boldly, join our culture and help build a better tomorrow. We provide the resources, inspiration, and focus you need to succeed. The Work: Lockheed Martin’s Rotary & Mission Systems (RMS) division is seeking an experienced Information System Security Officer (ISSO) to protect mission...
Lockheed Martin
Jan 28, 2026
Dev Sec Ops Engr – Platform Engineer / Deployment Orchestration
Lockheed Martin King of Prussia, PA
Description: Job 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. The Kayenne Program develops and maintains a secure, hybrid...
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