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6 senior software engineer level 3 jobs found

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United States senior software engineer level 3 Alabama
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Lockheed Martin  (6)
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Lockheed Martin
May 28, 2026
Tool Engineer Senior / Tool Design / GD&T - Troy, AL
Lockheed Martin Troy, AL
Description: You will be the Tool Engineer Senior / Tool Design / GD&T for the Pike County Operations (PCO) team. Our team is responsible for creating innovative solutions to manufacture missile components and final assemblies, ensuring compliance with government regulations and company requirements. What You Will Be Doing As the Senior Tool Designer, you will be responsible for collaborating with cross‑functional teams to design, fabricate, and implement special tools and fixtures, utilizing CAD software such as PTC Creo and CATIA V5. You will create detailed tool design CAD models and drawings, and provide shop‑floor support to resolve technical and manufacturing issues. Your responsibilities will include, but are not limited to: Collaborating with missile designers, production operations, and stakeholders to conceptualize and design special tools and fixtures Creating detailed tool design CAD models and drawings using PTC Creo and CATIA V5...
Lockheed Martin
May 23, 2026
Senior System Integration/Test Engineer
Lockheed Martin Courtland, AL
Description: Company Mission & Program Overview 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. Role Overview We’re seeking a Senior Systems...
Lockheed Martin
Jul 14, 2026
Algorithm Engineer Senior - Clearance Required
Lockheed Martin Huntsville, AL
Description: Who We Are At Lockheed Martin, we believe that by applying the highest standards of business ethics and forward-thinking, everything is within our reach – and yours as a Lockheed Martin employee. We value your unique skills and expertise, and we aim to give back continuously by offering a wide variety of benefits and amenities to help our employees live flexible, balanced, and fulfilling lives at, and outside of, work. What We’re Doing Our Team, the Command and Control, Battle Management and Communications (C2BMC) Regional team, is constantly engineering, developing and integrating new capabilities for the U.S. Missile Defense System. protecting both the United States and its allies. This large, fast paced team, is composed of many small agile teams working together dynamic environment with a common mission to develop and deploy leading-edge missile defense technologies. The Work The C2BMC-Regional Application Agile Release Train is seeking a Software Engineer that...
Lockheed Martin
Jul 14, 2026
Algorithm Engineer Staff - Clearance Required
Lockheed Martin Huntsville, AL
Description: Who We Are At Lockheed Martin, we believe that by applying the highest standards of business ethics and forward-thinking, everything is within our reach – and yours as a Lockheed Martin employee. We value your unique skills and expertise, and we aim to give back continuously by offering a wide variety of benefits and amenities to help our employees live flexible, balanced, and fulfilling lives at, and outside of, work. What We’re Doing Our Team, the Command and Control, Battle Management and Communications (C2BMC) Regional team, is constantly engineering, developing and integrating new capabilities for the U.S. Missile Defense System. protecting both the United States and its allies. This large, fast paced team, is composed of many small agile teams working together dynamic environment with a common mission to develop and deploy leading-edge missile defense technologies. The Work The C2BMC-Regional Application Agile Release Train is seeking a Software Engineer that...
Lockheed Martin
Jun 12, 2026
Software Engineering Manager
Lockheed Martin Huntsville, AL
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 Software Engineering Manager will perform as technical leader and software test...
Lockheed Martin
Jun 06, 2026
Classified IT System Administrator, Sr / Onsite: PA, CO, CA, AL or FL
Lockheed Martin Huntsville, AL
Description: This Enterprise Operations position supports the DarkStar Enterprise network, delivering secure, mission-critical IT capabilities to collateral Secret programs across the enterprise. As a Senior Systems Administrator, you will play a direct role in enabling national security objectives by performing technical planning, system integration, and verification and validation of classified infrastructure used by critical programs. This is a hands-on position focused on resolving complex technical challenges across applications, systems, and network connectivity within a classified environment. You will be part of a high-performing team responsible for maintaining and defending enterprise IT systems that operate in complex, security-constrained environments. You will perform functional analysis, trade studies, requirements allocation, and interface definition studies to translate customer and program requirements into hardware and software specifications. The selected...
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