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30 senior software engineer level 3 jobs found

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Lockheed Martin senior software engineer level 3 Colorado
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Lockheed Martin
Mar 18, 2026
Senior Staff Project Engineer - Secret Clearance Required
Lockheed Martin Littleton, CO, USA
Description: Who We Are: Come join the Signals Reconnaissance Program within RMS to craft and develop outstanding solutions! The Signals Reconnaissance family of programs supports the C4ISR Line of Business (Command, Control, Communications, and Computers Intelligence, Surveillance and Reconnaissance) as well as Independent Research and Development (IRAD) efforts. These systems demand development of advanced software solutions as well as Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems, and information technology related responsibilities including design, development, and analysis of computer systems or programs based on and related to user or system design specifications; applying systems analysis techniques and procedures, including consulting with users to determine hardware, software, or system functional specifications. Analyses are performed at all levels of total...
Lockheed Martin
Mar 11, 2026
Electromagnetic Environmental Effects (E3) Engineer
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
Mar 10, 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
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 27, 2026
Senior Thermal Analyst
Lockheed Martin Highlands Ranch, 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. Lockheed Martin Space is seeking a full-time Senior Mechanical Engineer (Thermal...
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 25, 2026
Cable Assembly and Cable Harness Design Engineer Senior
Lockheed Martin Englewood, CO, USA
Description: Join us at Lockheed Martin as an ElectroMechanical Engineer where you will be responsible for product design, development, and production support for the Cable and Interconnects team on the Fleet Ballistic Missile (FBM) Program. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Englewood CO and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? The Fleet Ballistic Missile Avionics team is seeking an experienced Electromechanical Engineer who will work closely with senior engineers to develop preliminary 3D concept models of space flight avionics Cable and Harnessing and ultimately advance them for flight use. Key activities you will accomplish in this role: • Develop Cable designs, performance and test requirements, and stress and thermal analysis. • Identify initial physical architecture for the Avionics subsystem. • Conduct...
Lockheed Martin
Feb 19, 2026
Test Engineer Lead
Lockheed Martin Colorado Springs, CO, USA
Description: WHAT WE'RE DOING Do you want to be part of a culture that inspires employees to innovate, perform with excellence, and build incredible products? If you have the passion, drive, and courage to dream big, then we want to build a better tomorrow with you. Come and join our team! Lockheed Martin’s Rotary and Mission Systems’ EMC2 team is looking for a proven and experienced lead test engineer to support the Peace Krypton (PK) program. THE WORK As the Lead Test Engineer in this position, you will: • Lead the development and execution of comprehensive test plans, including test strategy, test design, and test scripts • Collaborate with cross-functional teams, including systems engineering, software engineering, and hardware engineering, to ensure that systems and products meet customer requirements and industry standards • Develop and maintain test documentation, including test plans, test procedures, and test reports • Lead a team of test engineers, providing...
Lockheed Martin
Feb 19, 2026
ElectroMechanical Harness Engineer III
Lockheed Martin Englewood, CO, USA
Description: The Fleet Ballistic Missile Avionics team is seeking an experienced Lead Electromechanical Harness Engineer who will work closely with senior engineers to develop preliminary 3D concept models of space flight avionics Cable and Harnessing and ultimately advance them for flight use. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton or Englewood CO and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? • Support trade studies on cable and harness design approaches and will provide technical data for informal and formal design review documentation and presentations. • Coordinate with thermal, dynamic, stress, reliability, EMC, and survivability analyses to assure compliant designs. • Support manufacturing and test disciplines in minimizing cycle time and resolving problems. • Establish specifications for contract assemblers and...
Lockheed Martin
Feb 19, 2026
ElectroMechanical Harness Engineer III
Lockheed Martin Englewood, CO, USA
Description: The Fleet Ballistic Missile Avionics team is seeking an experienced Electromechanical Harness Engineer who will work closely with senior engineers to develop preliminary 3D concept models of space flight avionics Cable and Harnessing and ultimately advance them for flight use. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton or Englewood CO and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? • Support trade studies on cable and harness design approaches and will provide technical data for informal and formal design review documentation and presentations. • Coordinate with thermal, dynamic, stress, reliability, EMC, and survivability analyses to assure compliant designs. • Support manufacturing and test disciplines in minimizing cycle time and resolving problems. • Establish specifications for contract assemblers and...
Lockheed Martin
Feb 07, 2026
Senior Software Systems Engineer
Lockheed Martin Highlands Ranch, 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. The Space Software Product Line (SSPL) is seeking a Senior Software Engineer to join the...
Lockheed Martin
Feb 05, 2026
Tech Refresh Engineering Project Manager
Lockheed Martin Colorado Springs, CO, USA
Description: WHAT WE’RE DOING Looking for a career opportunity to lead a modernization and enhancement program of advanced technology for deployment to international customers. If you want experience leading a strong and diverse team across multiple sites both domestic and international than this a job for you. Building relationships, enhancing system infrastructure, and deploying modern high end software solutions is the needs for this job. Lockheed Martin’s Rotary and Mission Systems’ C4ISR team is looking for a qualified technical leader to be the US based Engineering Program Manager for the EADGE-T Technical Refresh program. EADGE-T is modernizing its compute and infrastructure environment to pave the way for future enhancements enabling deployment of modular solutions and AI capabilities for the United Arab Emirates Integrated Air Missile Defense capability THE WORK In this important role, you will be: • Engineering Program Manager executing a multi-disciplinary team...
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
Jan 15, 2026
ElectroMechanical Packaging Engineer V
Lockheed Martin Englewood, CO, USA
Description: The Fleet Ballistic Missile Avionics team is seeking an experienced Electronics Packaging Engineer who will work closely with senior engineers to develop preliminary 3D concept models of space flight avionics hardware and ultimately advance them for flight use. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton or Englewood CO and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? • Support trade studies on electronic enclosure design approaches and will provide technical data for informal and formal design review documentation and presentations. • Coordinate with thermal, dynamic, stress, reliability, EMC, and survivability analyses to assure compliant designs. You will support manufacturing and test disciplines in minimizing cycle time and resolving electronic packaging problems. • Establish specifications for contract...
Lockheed Martin
Mar 20, 2026
Quantum Opto-electronics Research Manager
Lockheed Martin Louisville, CO, USA
Description: Lockheed Martin Space Advanced Technology Center (ATC) is seeking a Quantum Opto-electronics Research Manager to lead personnel in the full life cycle of research & development of advanced quantum optical systems for the study of classical and quantum-mechanical phenomena in remote sensing and communications. Positions are available for experienced professionals with 10 or more years of experience performing and managing teams in the design, development, experimentation and reporting of research to measure fundamental classical and quantum-mechanical light-matter interactions. The successful candidate would have experimental research experience in atomic, molecular, nuclear, solid-state, thermal and other physical phenomena. The candidate would also have experience developing theories based on observed results of experiments and predicting phenomena based on theoretical considerations in areas such as acoustics, electricity and magnetism, electronics, heat,...
Lockheed Martin
Mar 18, 2026
Events Lead System Administrator - Secret Clearance
Lockheed Martin Colorado Springs, CO, USA
Description: What We're Doing Our Team, the Command and Control, Battle Management and Communications (C2BMC) Experimental Lab (X-Lab), is responsible for developing and integrating future-capability prototypes including Sensor/Weapon Integration, Algorithm Development, User Interface Development and other critical leading-edge missile defense technologies for the Missile Defense System that currently protects the United States and its allies. The team consists of many small agile teams that work together in a fast-paced and dynamic environment. The Work The Infrastructure Events Lead System Administrator's primary responsibility is to support the development and integration of a prototype lined mission suite to be introduced in a flight or ground test. This includes working with and managing a team to work each aspect of the suite buildout and verifying its ability to fully support the test. The Infrastructure Events Lead System Administrator is responsible for supporting...
Lockheed Martin
Mar 18, 2026
Technical Lead System Administrator - Secret Clearance
Lockheed Martin Colorado Springs, CO, USA
Description: What We're Doing Our Team, the Command and Control, Battle Management and Communications (C2BMC) Experimental Lab (X-Lab), is responsible for developing and integrating future-capability prototypes including Sensor/Weapon Integration, Algorithm Development, User Interface Development and other critical leading-edge missile defense technologies for the Missile Defense System that currently protects the United States and its allies. The team consists of many small agile teams that work together in a fast-paced and dynamic environment. The Work The Infrastructure Technical Lead System Administrator's primary responsibility is to support the development and integration of a prototype lined mission suite to be introduced in a flight or ground test. This includes working with and managing a team to work each aspect of the suite buildout and verifying its ability to fully support the test. The Infrastructure Technical Lead System Administrator is responsible for...
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