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16 senior systems engineer level 3 jobs found in Littleton

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Littleton Onsite senior systems engineer level 3
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Lockheed Martin
Feb 06, 2026
Senior Systems Engineer, Level 3 - Clearance Required
Lockheed Martin Littleton, CO, USA
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 Systems Engineer, you will be part of the System Engineering team within the MOATS...
Lockheed Martin
Feb 17, 2026
Systems Engineer Senior - Payload Integration (Level 3)
Lockheed Martin Littleton, CO, USA
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space OVERVIEW: At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every day we use our unique skills and experiences to create, design and build solutions to some of the worlds’ hardest engineering problems. Our culture encourages employees to dream big, perform with excellence and create incredible products. We provide the resources, inspiration and focus and if you have the passion and courage to dream big, we want to build a better tomorrow with you. Going to space is just the beginning. It’s what you do when you get there that matters. Lockheed Martin builds the satellites and spacecraft that do amazing things in space for government and commercial customers. Connecting people. Advancing discovery. And protecting what matters most. Lockheed Martin-built satellites...
Lockheed Martin
Mar 06, 2026
System Engineer-IT Sr
Lockheed Martin Littleton, CO, USA
Description: Signal Reconnaissance (SR) Program This is your opportunity to be challenged to make a difference in the world and every single day we use our skills and experiences to create, design and build solutions to some of the worlds’ hardest infrastructure engineering problems for the RMS SR program. System Administration The team handles routine backups, security patch application, and compliance maintenance across Linux and Windows physical and virtual systems. They manage baseline configuration, provide Active Directory and LDAP user account support, troubleshoot technical issues, and administer certificate services. Virtualization Virtual infrastructure is overseen with VMware ESXi/vCenter and Hyper V. Responsibilities include provisioning, maintaining, and de commissioning virtual machines to meet evolving workload demands. Network Administration Under senior engineer guidance, the team assists with configuring and monitoring Ethernet switches, routers,...
Lockheed Martin
Feb 26, 2026
Senior Quality Engineer
Lockheed Martin Littleton, CO, USA
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
Feb 26, 2026
Computer Vision Software Engineer, Senior (Level III)
Lockheed Martin Littleton, CO, USA
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
Feb 03, 2026
Software Engineer Sr (level 3)
Lockheed Martin Littleton, CO, USA
Description: WHO WE ARE The Skunk Works (Lockheed Martin Advanced Development Programs) is looking for world-class talent in Software Engineering to be a part of a team that will carry on our 80-year tradition-making history in advanced aircraft development. The vehicle management software team writes software for a wide range of aircraft subsystems that make an airplane fly. We are a highly innovative, multi-site, fast paced team developing modular and reusable software to support both our current platforms and the aircraft of the future. WHAT’S IN IT FOR YOU 3-day weekend every weekend! 4-10 Mon-Thursday option + Flexible Schedules This team is working new development software where our team members get to work hands on from the lab to the aircraft in all stages of development, including design, code, integration, and lab and field test. We work on a wide range of technologies and give our team members the opportunity to drive their career towards their area of...
Lockheed Martin
Feb 03, 2026
Software Engineer (level 2)
Lockheed Martin Littleton, CO, USA
Description: WHO WE ARE The Skunk Works (Lockheed Martin Advanced Development Programs) is looking for world-class talent in Software Engineering to be a part of a team that will carry on our 80-year tradition-making history in advanced aircraft development. The vehicle management software team writes software for a wide range of aircraft subsystems that make an airplane fly. We are a highly innovative fast paced team working developing modular and reusable software to support both our current platforms and the aircraft of the future. WHAT’S IN IT FOR YOU 3-day weekend every weekend! 4-10 Mon-Thursday option + Flexible Schedules This team is working new development software where our team members get to work hands on from the lab to the aircraft in all stages of development, including design, code, integration, and lab and field test. We work on a wide range of technologies and give our team members the opportunity to drive their career towards their area of interest....
Lockheed Martin
Jan 30, 2026
Senior RF Engineer (Level III) - Secret clearance
Lockheed Martin Littleton, CO, USA
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 Come join the Lockheed Martin Space Radio Frequency (RF) Talent Center (RFTC) team in...
Lockheed Martin
Jan 28, 2026
Software Engineer Staff (level 4)
Lockheed Martin Littleton, CO, USA
Description: WHO WE ARE The Skunk Works (Lockheed Martin Advanced Development Programs) is looking for world-class talent in Software Engineering to be a part of a team that will carry on our 80-year tradition-making history in advanced aircraft development. The vehicle management software team writes software for a wide range of aircraft subsystems that make an airplane fly. We are a highly innovative, multi-site, fast paced team developing modular and reusable software to support both our current platforms and the aircraft of the future. WHAT’S IN IT FOR YOU 3-day weekend every weekend! 4-10 Mon-Thursday option + Flexible Schedules This team is working new development software where our team members get to work hands on from the lab to the aircraft in all stages of development, including design, code, integration, and lab and field test. We work on a wide range of technologies and give our team members the opportunity to drive their career towards their area of...
Lockheed Martin
Jan 20, 2026
Project Engineer Sr.
Lockheed Martin Littleton, CO, USA
Description: Lockheed Martin is seeking an experienced and driven Senior Project Engineer to join the Conventional Prompt Strike (CPS) Platform Integration Integrated Product Team (IPT). In this role you will join a growing team responsible for integrating the CPS Weapon System onto US Navy surface and subsurface platforms. This position is responsible for project management support to the integration of the CPS hypersonic weapon system onto Virginia-class submarines, a critical national security priority. As the Platform Integration Senior Project Engineer, you will: • Support the Submarine Platform Integration Lead on the CPS Platform Integration IPT. This is a critical integration position working across the Lockheed-led industry team and working with multiple US Navy stakeholders. • Engage with US Navy Strategic Systems Program (SSP) customers to manage schedule relationships between Lockheed Martin and government national team partners. • Work with all Lockheed Martin CPS...
Lockheed Martin
Dec 03, 2025
Electromagnetic Environmental Effects (E3) Engineer - Top Secret
Lockheed Martin Littleton, CO, USA
Description: "Ahead of Ready" 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. As an Electromagnetic Engineering Effects (E3) Engineer, you will support the System Engineering (SE) Special Disciplines Organization within...
Lockheed Martin
Feb 27, 2026
Regulatory Document Analyst
Lockheed Martin Littleton, CO, USA
Description: WHAT WE'RE DOING At Lockheed Martin, in TMAN, 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 in 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 Regulatory Document Analyst Associate who likes to be challenged and solve problems. THE WORK • Ensuring Contractual requirements are met through completion of CDRL deliveries. • Implement and maintain documentation tracking records. • Maintaining/updating the Configuration Data Management Plan and the associated Standard Operating Procedures (SOPs). • Gathering and analyzing Data Management metrics. • Supporting program meetings. • Interfacing w/Program Management, CAMs, Project Engineers, other discipline leaders. WHO WE ARE Join the Trusted Manager (TMAN) program...
Lockheed Martin
Feb 27, 2026
Regulatory Document Analyst Asc
Lockheed Martin Littleton, CO, USA
Description: WHAT WE'RE DOING At Lockheed Martin, in TMAN, 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 in 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 Regulatory Document Analyst Associate who likes to be challenged and solve problems. THE WORK • Ensuring Contractual requirements are met through completion of CDRL deliveries. • Implement and maintain documentation tracking records. • Maintaining/updating the Configuration Data Management Plan and the associated Standard Operating Procedures (SOPs). • Gathering and analyzing Data Management metrics. • Supporting program meetings. • Interfacing w/Program Management, CAMs, Project Engineers, other discipline leaders. WHO WE ARE Join the Trusted Manager (TMAN) program...
Lockheed Martin
Jan 14, 2026
Software Engineer
Lockheed Martin Littleton, CO, USA
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. What You Will Be Doing As a Software Engineer you will own the full software lifecycle for advanced Intelligence, Surveillance,...
Lockheed Martin
Jan 08, 2026
Integration and Test Engineer
Lockheed Martin Littleton, CO, USA
Description: Job 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. What You Will Be Doing As a Integration and Test Engineer you will own the maintenance, installation, and...
Lockheed Martin
Jan 08, 2026
Integration and Test Engineer
Lockheed Martin Littleton, CO, USA
Description: Job 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. What You Will Be Doing As a Integration and Test Engineer you will own the maintenance, installation, and...
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