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67 mission systems engineer jobs found in King of Prussia

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Lockheed Martin
Apr 04, 2026
System Integration & Test Engineer II
Lockheed Martin King of Prussia, PA, USA
Description: Role Overview As a Systems Integration & Test Engineer, you will plan and execute testing for complex systems and subsystems. You’ll turn technical requirements into practical test approaches, work hands-on with hardware, and help ensure systems perform as expected—from early integration through final validation. Key Duties / Responsibilities • Create and maintain test plans, procedures, and documentation • Translate requirements into clear, executable test strategies • Support system integration by defining specifications and resolving interface issues • Lead and support test execution, including setup, scheduling, and reporting • Analyze results and document system performance • Identify issues, write discrepancy reports, and support resolution • Perform regression testing to confirm fixes • Coordinate testing activities across teams and programs • Work directly with hardware in lab and integration environments Work Environment • Hands-on role in labs,...
Lockheed Martin
Apr 04, 2026
System Integration & Test Engineer II
Lockheed Martin King of Prussia, PA, USA
Description: Role Overview As a Systems Integration & Test Engineer, you will plan and execute testing for complex systems and subsystems. You’ll turn technical requirements into practical test approaches, work hands-on with hardware, and help ensure systems perform as expected—from early integration through final validation. Key Duties / Responsibilities • Create and maintain test plans, procedures, and documentation • Translate requirements into clear, executable test strategies • Support system integration by defining specifications and resolving interface issues • Lead and support test execution, including setup, scheduling, and reporting • Analyze results and document system performance • Identify issues, write discrepancy reports, and support resolution • Perform regression testing to confirm fixes • Coordinate testing activities across teams and programs • Work directly with hardware in lab and integration environments Work Environment • Hands-on role in labs,...
Lockheed Martin
Apr 04, 2026
LM Perspectives
Lockheed Martin King of Prussia, PA, USA
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...
Lockheed Martin
Apr 04, 2026
Manufacturing Engineer III
Lockheed Martin King of Prussia, PA, USA
Description: Role Overview As a Manufacturing Engineer, you will support production operations by developing and improving manufacturing processes for a specific product line. You’ll work closely with cross-functional teams to help transition products from development into stable, high-rate production. Your work will focus on improving efficiency, solving production challenges, and ensuring consistent, high-quality output. Key Duties / Responsibilities • Develop manufacturing processes, procedures, and production layouts for machining operations • Review engineering designs and provide input to improve manufacturability • Create production plans and optimize workflow to meet delivery goals • Investigate production issues, identify root causes, and implement corrective actions • Analyze factory and process data to improve efficiency and stability • Collaborate with shop floor personnel to implement process improvements • Design tooling and evaluate equipment performance •...
Lockheed Martin
Apr 03, 2026
Systems Engineer - Integrated Logistics Support (ILS)
Lockheed Martin King of Prussia, PA, 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. Ready to Support the Advanced Strategic Missions? Come join Lockheed's Strategic Reentry...
Lockheed Martin
Apr 02, 2026
Lead Systems Engineer for SE 2.0
Lockheed Martin King of Prussia, PA, 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. The Systems Integration and Engineering (SIE) organization is implementing a major...
Lockheed Martin
Apr 02, 2026
Software Engineer - Early Career (Head Start)
Lockheed Martin King of Prussia, PA, USA
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. Lockheed Martin Space in King of Prussia, PA is seeking a full-time Early Career Software Engineer to begin full time work in 2027. In this role, you will develop, deliver, and operate affordable engineering and sustainment solutions for...
Lockheed Martin
Apr 01, 2026
Sys Integration & Test Engineer
Lockheed Martin King of Prussia, PA, USA
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 Integration and Test 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 This position is for a Level 2 Integration and Test engineer for the TTWCS (Tactical Tomahawk Weapons Control System) program where the successful candidate will work in the SW Test Agile Team to verify software requirements. This includes verification of requirements, mapping of requirements to test procedures, test procedure creation, etc. Additionally the candidate...
Lockheed Martin
Apr 01, 2026
System Engineer Associate - Entry Level
Lockheed Martin King of Prussia, PA, 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 31, 2026
Digital Engineering Integration Engineer
Lockheed Martin King of Prussia, PA, USA
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space. Are you looking for an exciting career at one of the top Aerospace and Defense Companies? A fulfilling position that challenges your mind, grows your skills, and contributes to our nation’s most critical missions is right in front of you! At Lockheed Martin Space, we advance the frontiers of science and solve problems that others think are impossible. We have challenging missions that will inspire and innovate! As we enter a new era of Strategic Weapon , Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every single day we use our unique skills, talents and experiences to design and build solutions to some of the world’s hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible products? We provide the...
Lockheed Martin
Mar 27, 2026
Systems Engineer, Mid-Career
Lockheed Martin King of Prussia, PA, USA
Description: Come join Lockheed's Air Force Strategic Programs. This group of diverse Engineers has a long history of supporting the Air Force Mission reaching back to the 1960's. Today's challenge is to support the modernization of the Minuteman Weapon System by crafting, building, testing and deploying new Reentry Systems and Ground Equipment that will enable the new system to perform for many years to come. This critical mission area must be done right, pass meticulous certifications and last for many years to come. If this challenge is for you, you belong in AFSP. You will be supporting the Nuclear Safety team across various Weapons Programs. As a Systems Engineer , you will directly help establish the technical solution and overall system design for one of our country's most vital and sophisticated strategic Systems! Your primary responsibilities in systems and nuclear safety engineering include: • Applying DoD requirements and industry standards (AFMAN's, AFI-series,...
Lockheed Martin
Mar 26, 2026
Systems Engineer-IT Stf / Secret / Onsite: KoP, PA
Lockheed Martin King of Prussia, PA, USA
Description: For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s mission to provide an affordable and credible strategic defense. We offer unique career opportunities and challenges on a program with a rich history and exciting future. We help keep this nation and our allies secure. The FBM Program is experiencing significant growth and we need your expertise to deliver amazing new technologies to our customers while maintaining the technical requirements of the strategic deterrence. As a Systems Engineer within the program Production Integrated Product Team (IPT), this role will be responsible for design, implementation and trouble shooting of a complex hybrid network with multiple system types and functions integrating multiple DMG-MORI CNC systems (including autonomous mobile robots) with objectives to scale from a research and development phase into a large-scale production system. Tasks include optimizations and maintaining the system network...
Lockheed Martin
Mar 25, 2026
Software Quality Engineer Staff
Lockheed Martin King of Prussia, PA, USA
Description: The mission matters. So do the people behind it. With advancing defense technology at our core, what sets us apart is a culture of collaboration, purpose, and impact. What is the mission? 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,...
Lockheed Martin
Mar 25, 2026
Software Engineer
Lockheed Martin King of Prussia, PA, 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. Lockheed Martin, a leader in advancing secure communications and cutting-edge defense...
Lockheed Martin
Mar 25, 2026
Software Engineer Sr
Lockheed Martin King of Prussia, PA, 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. Lockheed Martin, a leader in advancing secure communications and cutting-edge defense...
Lockheed Martin
Mar 25, 2026
Software Engineer Sr
Lockheed Martin King of Prussia, PA, 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. Lockheed Martin, a leader in advancing secure communications and cutting-edge defense...
Lockheed Martin
Mar 24, 2026
DevSecOps Engineer, Staff
Lockheed Martin King of Prussia, PA, 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. 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 20, 2026
Modeling and Simulation Engineer/Data Analyst - Level 3
Lockheed Martin King of Prussia, PA, USA
Description: Protecting what matters most is the mission that matters most. 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. Going to space is just the...
Lockheed Martin
Mar 19, 2026
Senior Software Engineer (Top Secret Clearance)
Lockheed Martin King of Prussia, PA, USA
Description: Lockheed Martin’s Victor Portfolio of Space Security is seeking a highly skilled, motivated, and experienced Senior Software Engineer to join an Agile, cross‑functional team dedicated to protecting critical space assets. This role will focus on developing web‑based applications within an open‑architecture infrastructure that supports mission‑critical space‑security operations. The successful candidate will collaborate with internal development teams and subject‑matter experts, and thrive in a fast‑paced environment where each day brings new challenges. Key Responsibilities • Full‑Lifecycle Development – Design, implement, test, deploy, and maintain web applications and services that enable space‑asset protection. • Agile Collaboration – Participate in Scrum ceremonies (stand‑ups, sprint planning, retrospectives) and contribute to continuous‑improvement of team processes. • Open‑Architecture Integration – Build modular, reusable components that conform to...
Lockheed Martin
Mar 18, 2026
Signal/Image Processing Engineer
Lockheed Martin King of Prussia, PA, 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. 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. And we’re reimagining...
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