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133 senior software engineer level 3 jobs found

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Lockheed Martin Onsite senior software engineer level 3
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Lockheed Martin
Aug 18, 2026
Senior Software Engineer, Level 3
Lockheed Martin CO
Standard 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.   Lockheed Martin Space is seeking a full time Software...
Lockheed Martin
Aug 07, 2026
Senior Software Engineer, Level 3 - Embedded - Clearance Required
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. Space Protection Programs is seeking an experienced Software Engineer who can guide a...
Lockheed Martin
Aug 07, 2026
Senior Software Engineer, Level 3 - Clearance Required
Lockheed Martin Houston, TX
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 is seeking a full time Software Engineer. In this role, you will...
Lockheed Martin
Jul 18, 2026
Senior Software Engineer, Level 3 - Clearance Required
Lockheed Martin Houston, TX
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 is seeking a full time Software Engineer. In this role, you will...
Lockheed Martin
Jul 02, 2026
Senior Software Engineer - Level 3 (TS/SCI with Poly)
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 We're seeking a talented and motivated Senior Software Engineer to join our fast-paced...
Lockheed Martin
Jun 02, 2026
Senior Software Engineer - Level 3 (TS/SCI with Poly)
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 We're seeking a talented and motivated Senior Software Engineer to join our fast-paced...
Lockheed Martin
Jun 02, 2026
Senior Software Engineer, Level 3
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. Space Protection Programs is seeking an experienced Software Engineer who can guide a...
Lockheed Martin
May 27, 2026
Senior Software Engineer, Level 3
Lockheed Martin Houston, TX
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 is seeking a full time Software Engineer. In this role, you will...
Lockheed Martin
May 27, 2026
Senior Software Engineer, Level 3
Lockheed Martin Houston, TX
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 is seeking a full time Software Engineer. In this role, you will...
Lockheed Martin
Jul 02, 2026
Senior Software Systems Engineer - Level 3
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 re-imagining 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 Systems Engineer will use Model-Based Systems Engineering (MBSE)...
Lockheed Martin
Jun 10, 2026
Software Quality Engineer Senior- Level 3
Lockheed Martin Fort Worth, TX
Description: In this position, you will be Responsible for implementing the Software Quality Engineering (SWQE) mission to ensure programs have and are compliant to documented processes which meet customer and company requirements and are capable of producing quality software products. The successful applicant will do this, with limited supervision, by performing process, product, supplier, special quality evaluations/audits, and test verification/validation oversight throughout the software development lifecycle as well as using quality sciences to identify, communicate and drive to resolution needed improvements to software development processes and activities. They will provide SWQE management with metrics, reports, schedules, Basis of Estimates (BOEs) for tasking and other support as necessary. SWQE will develop and deploy standard software quality procedures and quality engineering methods and instruments. They must be willing to travel, ability to work off-shift and...
Lockheed Martin
Sep 14, 2026
Software Engineer Sr - E3
Lockheed Martin TX
Standard Job Description As the CAD/CAM Senior Engineer- Level 3 within Software Engineer organization, you will be responsible for integrating advanced AI capabilities into our CAD/CAM workflows and supporting cross‑functional aerospace design teams. Your responsibilities will include: Design, Analysis, and integrate generative AI tools (e.g., design assistants, topology optimization engines) into existing CAD/CAM workflows. Create and maintain prompt‑engineering libraries and best‑practice guides for AI‑assisted modeling, simulation, and documentation. Evaluate AI model performance on accuracy and latency, and recommend improvements. Provide day‑to‑day technical assistance to aerospace design teams, ensuring AI‑augmented solutions improve productivity and quality. Author and update methods, standards, processes, and training material that incorporate AI workflows. Proficient in AI prompting as it applies to this position and practice.  Plans, conducts, and...
Lockheed Martin
Sep 03, 2026
Electrical Engineer III - Ground Support Equipment
Lockheed Martin FL
Standard Job Description Join Our Team as an Electrical Enginee r and become a member of the US Navy's Fleet Ballistic Missile (FBM) D5 Life Extension 2 (D5LE2) Electrical Ground Support Equipment (EGSE team. This is an exciting opportunity to work on the FBM Program, a 63-year-old Program with a long-standing history of Mission Success and of a strong partner can thrive in an exciting fast-paced dynamic environment? Location: This position does not support teleworking; you will be located near our Lockheed Martin Space facility in: Cape Canaveral FL and be expected to work a flexible 9x80 *Please note we will not provide relocation services for this position.   What does this role look like?  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. The Electronics Engineer II is an individual contributor on the LE2 –...
Lockheed Martin
Sep 03, 2026
Electrical Engineer III - Ground Support Equipment
Lockheed Martin FL
Standard Job Description Join Our Team as an Electrical Engineer and become a member of the US Navy's Fleet Ballistic Missile (FBM) D5 Life Extension 2 (D5LE2) Electrical Ground Support Equipment (EGSE team. This is an exciting opportunity to work on the FBM Program, a 63-year-old Program with a long-standing history of Mission Success and of a strong partner can thrive in an exciting fast-paced dynamic environment?   Location: This position does not support teleworking; you will be located near our Lockheed Martin Space facility in: Cape Canaveral FL and be expected to work a flexible 9x80 *Please note we will not provide relocation services for this position.   What does this role look like?  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. The Electronics Engineer II is an individual contributor on the...
Lockheed Martin
Aug 21, 2026
Mechanical Design Engineer Stf - E4
Lockheed Martin FL
Standard Job Description As the Mechanical Engineer for the Booster/All Up Round (AUR) you will be the primary mechanical engineering point of contact for ARRW LRIP and ARRW Incremental development. You will work closely with Glider mechanical engineering, AUR electrical engineering, and systems engineering to translate requirements into releasable technical data packages (TDPs). Your responsibilities will include: • Developing and generating CREO and Catia layouts and detailed drawings for ICDs, components, sub-assemblies, assemblies, and integration test articles • Building BOMs, creating parts, assemblies, and design documentation within Windchill PLM • Coordinating the IPT team, suppliers, GSC, electronic packaging, optics, and structural/thermal/material analysts to ensure design excellence, including occasional travel for site visits and field demonstrations • Managing drawing releases, responding to CRs, generating CN's, and presenting/supporting change boards and...
Lockheed Martin
Aug 18, 2026
ASIC & FPGA Design Engineer
Lockheed Martin NY
Standard Job Description Develops, designs, verifies, and documents Application-Specific Integrated Circuits (ASIC) and Field Programmable Gate Arrays (FPGA) development. Determines architecture design, logic design, and system simulation. Assignments include the analysis of all aspects from high-level design to synthesis, place and route, and timing and power utilization. Typically uses specialized equipment to establish operation data, conduct experimental tests, and evaluate results.   What We're Doing At Lockheed Martin, we are passionate about innovation and integrity. We believe that by applying the highest standards of business ethics and forward-thinking, everything is within our capacity – and yours as a Lockheed Martin employee. Lockheed Martin values your skills, training, education, and background! The Work As an FPGA Engineer you will;  • Perform complex FPGA firmware architecture and/or custom digital board designs. • Design digital signal processing,...
Lockheed Martin
Aug 07, 2026
System Engineer, Senior
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 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
Jul 31, 2026
Senior Software Quality Engineer
Lockheed Martin Orlando, FL
Description: You will be the Senior Software Quality Engineer for the Software Quality Engineering Team. Our team is responsible for developing and maintaining systems and software quality processes that align with AS9100, program, and customer requirements. What You Will Be Doing As the Senior Software Quality Engineer you will be responsible for driving software quality excellence across the IRST program. Your responsibilities will include, but are not limited to: Develop and apply quality principles to software and software‑based systems. Design and implement software development and maintenance processes. Define audit strategies and ensure compliance with systems/software processes. Design, specify, and conduct test methods for software inspection, verification, and validation. Evaluate and analyze software quality systems to identify and correct deficiencies. Why Join Us The ideal candidate is a collaborative engineer who thrives in...
Lockheed Martin
Jul 30, 2026
FPGA Engineer Lead
Lockheed Martin Orlando, FL
Description: You will be the FPGA Engineer Lead for the ATWS Directed Energy Imaging team. Our team delivers advanced imaging platforms by defining FPGA architectures, developing RTL, validating designs, and fielding production ready hardware that meets stringent performance, cost, and schedule goals. What You Will Be Doing As the FPGA Engineer Lead you will own the end to end development of FPGA solutions and coordinate a multidisciplinary group of systems engineers, software developers, and hardware integrators. You’ll translate system requirements into reliable, high performance hardware while keeping technical risk in check and communicating progress to senior leadership and customers. Your responsibilities will include: • Defining FPGA architecture and creating high quality RTL using AMD/Xilinx Versal and UltraScale+ families. • Driving verification and validation activities, including board level testing and video/signal processing implementation. • Managing task...
Lockheed Martin
Jul 23, 2026
1LMX RMS Digital Thread Software Engineer - FULLTIME TELEWORK
Lockheed Martin Colorado Springs, CO
Description: We are committed to work-life balance by promoting this remote telework option. These job requirements allow the employee to work their entire schedule somewhere other than a Lockheed Martin designated office or job site. What We're Doing At Lockheed Martin RMS (Rotary & Mission Systems), we are driving a OneLM digital transformation to modernize processes and technologies. Our goal is to lead the Aerospace and Defense industry by leveraging cutting-edge digital capabilities to innovate solutions, reduce costs, and improve development efficiency. WHO YOU ARE We are seeking innovative, collaborative team members to support this transformation. As part of the 1LMX RMS Software Digital Thread Team, as a Software Engineer Senior you will be working with other engineers, following the technical vision, strategy, and implementation of the 1LMX RMS solution. The Work • Perform software and some systems tasks for Software in Digital Thread product team •...
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