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13 senior systems engineer level 3 jobs found in Littleton, CO

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Littleton senior systems engineer level 3 Colorado
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Lockheed Martin
Jul 08, 2026
System Engineer-IT-Clearance Required
Lockheed Martin Littleton, CO
Description: Who We Are: At C2 Ground, we are a diverse group of programs unified in our mission to support various customers and capabilities within the Command and Control Domain. As a "Family of Programs" we deliver a wide range of hardware and software solutions that provide mission-critical capabilities to our customers. Our software products focus on key areas such as Tasking, Processing, Exploitation, and Dissemination (TPED), Communications, and Mission Planning Applications, while our hardware products include customizable and transportable mobile ground shelters and mission equipment designed to thrive in diverse environments and climates. What We Do: At C2 Ground, we harness advanced technologies to deliver and maintain mission-relevant capabilities for our customers. We utilize a range of innovative tools and methodologies, including the Scaled Agile Framework (SAFe), Atlassian Tool Suite, and DevSecOps, to ensure consistent value delivery, effective...
Lockheed Martin
Jul 02, 2026
Systems Integration and Test Engineer Senior
Lockheed Martin Littleton, CO
Description: Lockheed Martin is seeking an experienced Senior Systems Integration & Test Engineer to join the Conventional Prompt Strike (CPS) Platform Integration Integrated Product Team (IPT) focused on CPS installation on US Navy destroyers and submarines. In this role you will be involved in the system of systems integration of CPS weapon system onto the US Navy platforms, with an emphasis on the electrical integration architecture and design. You will be involved in development, integration, and test of the CPS weapon system electrical interfaces. You will work with engineers across the program to ensure success within critical deployment schedules. In this role you will be expected to identify areas of technical concern, engage teammates to develop key solutions, and support implementation of the solutions. This role gives you an opportunity for involvement in weapon system development across the program lifecycle: influencing requirements for new technology...
Lockheed Martin
Jul 02, 2026
Guidance, Navigation & Control Engineer III (Senior)
Lockheed Martin Littleton, CO
Description: About Lockheed Martin Space : 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. About the Team : For over 60 years, the Fleet Ballistic...
Lockheed Martin
Jun 24, 2026
Project Engineer Staff – Program Planning
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 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
Jun 19, 2026
Guidance, Navigation & Control Engineer III (Sr.) - Interim Top Secret
Lockheed Martin Littleton, CO
Description: About Lockheed Martin Space : 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. About the Team: The Guidance, Navigation and Control...
Lockheed Martin
Jun 02, 2026
Senior Embedded Systems Integration & Test Engineer
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. The Senior Embedded Systems Integration & Test Engineer will lead and execute...
Lockheed Martin
May 28, 2026
Test Engineer III, Secret Clearance
Lockheed Martin Littleton, CO
Description: The Fleet Ballistic Missile (FBM) program is seeking an Electronics Engineer to join the Electrical Ground Support Equipment (EGSE) team. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton CO and be expected to work a flexible 9x80 schedule in the office full-time. About Lockheed Martin Space 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...
Lockheed Martin
May 28, 2026
Test Engineer III, Secret Clearance
Lockheed Martin Littleton, CO
Description: The Fleet Ballistic Missile (FBM) program is seeking an Electronics Engineer to join the Electrical Ground Support Equipment (EGSE) team. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton CO and be expected to work a flexible 9x80 schedule in the office full-time. About Lockheed Martin Space 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...
Lockheed Martin
May 27, 2026
Project Engineer III – Mid Career (Spacecraft Test Systems)
Lockheed Martin Littleton, CO
Description: As part of the Engineering and Technology Raptor Avionics Organization at Lockheed Martin Space, our team is passionate about developing test systems that ensure mission success for spacecraft and ground systems. We tackle the toughest challenges in the industry every day and deliver innovative electronic solutions in a collaborative engineering environment. As a Senior Project Engineer, you will lead engineering projects and initiatives for spacecraft subsystem test and engineering activities. You will serve as a primary liaison between program teams, internal engineering staff, and stakeholders, ensuring project objectives are met on time, within budget, and in compliance with technical requirements. This role provides the opportunity to drive project execution, facilitate team performance, implement Agile practices, and mentor junior engineers while directly influencing program success. What will you do as a new hire? You will independently lead project planning,...
Lockheed Martin
Apr 14, 2026
Electronics Engineer III
Lockheed Martin Littleton, CO
Description: This is an exciting opportunity to work on the Fleet Ballistic Missile Program (FBM), a 63-year-old Program with a long-standing history of Mission Success and of a strong partnership with our Navy Customer! Are you an enthusiastic individual with a strong planning background that 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: Englewood or Littleton CO and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? The new Hardware Engineer will support the LE2 program for Electrical Ground Support Equipment (EGSE). Use your strong electrical engineering skills to work with all project partners and define the future for FBM! Key activities you will accomplish in this role: In this dynamic role you will: • Participate in requirements analysis, configuration determination, design,...
Lockheed Martin
May 06, 2026
Computer Vision Engineer III, Senior (Rendering and Simulation)
Lockheed Martin Littleton, CO
Description: About Lockheed Martin Space : 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 About the Team : You’ll collaborate with some of the...
Lockheed Martin
Apr 15, 2026
Integration and Test Engineer
Lockheed Martin Littleton, CO
Description: WHAT WE'RE DOING At Lockheed Martin Rotary and Mission Systems (RMS), 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. We are a dynamic team on a recurring multi- year, critical program seeking a Software Engineer who likes to be challenged and solve problems. WHO WE ARE Intelligence, Surveillance and Reconnaissance (ISR): Harnessing the power of data collection and analysis across air, land, sea and space, thousands of sensors onboard manned and unmanned military platforms are collecting huge amounts of data. These ISR systems task, collect, process, analyze, fuse and disseminate the most mission-critical information. THE WORK As a Integration and Test Engineer you will own the maintenance, installation, and deployment lifecycle for advanced...
Lockheed Martin
Apr 15, 2026
System Integration Analyst
Lockheed Martin Littleton, CO
Description: WHAT WE'RE DOING At Lockheed Martin Rotary and Mission Systems (RMS), 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. We are a dynamic team on a recurring multi- year, critical program seeking a Software Engineer who likes to be challenged and solve problems. WHO WE ARE Intelligence, Surveillance and Reconnaissance (ISR): Harnessing the power of data collection and analysis across air, land, sea and space, thousands of sensors onboard manned and unmanned military platforms are collecting huge amounts of data. These ISR systems task, collect, process, analyze, fuse and disseminate the most mission-critical information. THE WORK As a Integration and Test Engineer you will own the maintenance, installation, and deployment lifecycle for advanced...
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