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4 level 3 software engineer jobs found

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Engineering level 3 software engineer Pennsylvania
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Lockheed Martin
Jun 19, 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
Jun 12, 2026
Hardware Engineer
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING Lockheed Martin Rotary and Mission Systems has an opportunity in Valley Forge, PA for a hardware engineer, supporting RMS EMC2 programs in Valley Forge, PA. THE WORK As a Hardware Engineer supporting RMS EMC2, located in Valley Forge, PA, you will: • Analyze customer requirements (power, cooling, environment, storage, and transportation). • Develop Bills of Material, generate COTS modification and assembly drawings. • Coordinate material purchases with procurement department and approve of vendor quotes, • Support hardware assembly tasks. • Coordinate with vendors to repair or replace defective or damaged equipment, identify and document modifications. • Coordinate and support equipment installation at test and customer facilities and provide customer support to help them resolve problems. Please Note: • This position requires a government security clearance; you must be a US Citizen for consideration. WHO WE ARE You will collaborate...
Lockheed Martin
May 29, 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. For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s mission to provide affordable and credible strategic defense. We offer unique...
Lockheed Martin
Jun 09, 2026
Integration & Test Engineer
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING The Aircraft Media Gateway program enables the P-8A aircraft to deliver advanced maritime and littoral Intelligence, Surveillance, and Reconnaissance (ISR) capabilities, equipping the United States Navy to effectively counter existing, evolving, and emerging threats. THE WORK Integration & Test Engineers collaborate with the Software Engineering and Systems Engineering teams to design and execute automated software testing strategies. The ideal candidate will possess, or be willing to develop, expertise in testing integrated hardware systems. Working in an Agile environment as part of a cross-functional product team, the candidate will be responsible for performing tasks that require strong collaboration and communication skills. Success in this role requires the ability to effectively interact with and present to various stakeholders, including internal leadership, external customers, and cross-functional teams. Team-oriented engineers who...
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