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12 senior mechanical engineer jobs found in Littleton, CO

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Littleton senior mechanical engineer Colorado
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Lockheed Martin
Jul 07, 2026
Quality 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. This position is in one of the Coolest places to work: Denver, Colorado. Lockheed...
Lockheed Martin
Jun 19, 2026
Senior Quality 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. This position is in one of the Coolest places to work: Denver, Colorado. Lockheed...
Lockheed Martin
Jun 13, 2026
Systems Engineer, Principal - Survivability & Nuclear Hardness
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. As a Principal Systems Engineer and the authority in Survivability Engineering, you will...
Lockheed Martin
Jun 04, 2026
Engineering Test Vehicle, Test Engineering Sr
Lockheed Martin Littleton, CO
Description: As the electronics engineer you will be responsible for testing a variety of electronic equipment, system interconnect and cabling designs in support of the Test Support Products You will participate in requirements analysis, configuration determination, design, materiel procurement, manufacturing, test and acceptance of cabling & interconnects for a wide variety of electrical and electromechanical test systems and multi-function integrated test equipment in support of the US Navy's Ballistic Missile Flight Test Program. As the electronics engineer you will mentor junior engineers, interface extensively with our customer, as well as, senior leadership. You will also create/update project/process documentation that align to project requirements. Specific responsibilities include but are not limited to: Lead the design, procurement, assembly, test, and verification of missile test systems, including data review and trending Develop requirements from...
Lockheed Martin
Jun 04, 2026
GN&C Systems Integration 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. A Level 5 GN&C Integration Engineer drives the end-to-end development, integration,...
Lockheed Martin
Apr 23, 2026
Systems Integration Manufacturing Engineer, Staff
Lockheed Martin Littleton, CO
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. What does this role look like? ➥ We are the voice steering today’s design decisions to drive tomorrow’s production success. ➥ This Manufacturing Engineering position will support Space Vehicle design...
Lockheed Martin
Jun 19, 2026
Cable and Harness Design Manager
Lockheed Martin Littleton, CO
Description: We are looking for an Associate Manager to join our Spacecraft Flight Cable and Harness Design team! The team supports multiple lines of business at Lockheed Martin which means you could be designing wiring systems for the next mission to Mars or the next generation of GPS satellites. 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. What does this role look like? • Provide leadership, functional management and technical direction to a team of engineers responsible for electromechanical engineering research, design, development, and production support for the Harness Spacecraft Flight Team. • Responsible to provide the functional directorate, program management, and their customers’ effective project management, accurate and detailed plans and schedules and efficient production support. • Responsible...
Lockheed Martin
Jun 19, 2026
Cable and Harness Design Manager
Lockheed Martin Littleton, CO
Description: We are looking for an Electromechanical Engineering Manager to join our Spacecraft Flight Cable and Harness Design team! The team supports multiple lines of business at Lockheed Martin which means you could be designing wiring systems for the next mission to Mars or the next generation of GPS satellites. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton CO or Sunnyvale CA and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? • Provide leadership, functional management and technical direction to a team of engineers responsible for electromechanical engineering research, design, development, and production support for the Harness Spacecraft Flight Team. • Responsible to provide the functional directorate, program management, and their customers’ effective project management, accurate and detailed plans and schedules and...
Lockheed Martin
Jun 02, 2026
Guidance, Nav & Ctrl Asc Mgr (Level IV) - 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 Role: We are seeking an experienced Guidance,...
Lockheed Martin
Jun 02, 2026
Guidance, Navigation, & Control Engineer IV, Navigation Specialist - S
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 Role: We are seeking an experienced Guidance,...
Lockheed Martin
May 29, 2026
Associate Manager, Cable and Harness Design
Lockheed Martin Littleton, CO
Description: We are looking for an Associate Manager to join our Spacecraft Flight Cable and Harness Design team! The team supports multiple lines of business at Lockheed Martin which means you could be designing wiring systems for the next mission to Mars or the next generation of GPS satellites. 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. What does this role look like? • Provide leadership, functional management and technical direction to a team of engineers responsible for electromechanical engineering research, design, development, and production support for the Harness Spacecraft Flight Team. • Responsible to provide the functional directorate, program management, and their customers’ effective project management, accurate and detailed plans and schedules and efficient production support. • Responsible...
Lockheed Martin
May 28, 2026
Non-destructive Test Technician
Lockheed Martin Littleton, CO
Description: Performs non-destructive testing (NDT) on materials, manufactured items, and components. Inspects metallic, non-metallic, and composite materials, parts, and assemblies for defects using automated and manual NDT methods including ultrasound, infrared thermography, radiography, penetrant, magnetic particle, eddy current, and visual testing. Reads and interprets technical procedures and work instructions to conduct evaluations for acceptance/rejection of hardware/products. Provides other technical support for all LM Space programs and sites. Works primarily with a team but also works independently to perform day-to-day tasks. Additionally, works with remote teams of NDT personnel. Supports program-required inspections during off-shifts, sometimes with short notice, to ensure program hardware production is on-schedule. Upon starting in your new role, your manager and senior NDT engineers will help you develop a plan to acquire and maintain multiple LM Space NDT Level II...
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