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302 security clearance jobs found in Highlands Ranch, CO

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Lockheed Martin
May 23, 2026
Senior Network Security Engineer (Top Secret Clearance)
Lockheed Martin Colorado Springs, CO
Description: What We’re Doing At Lockheed Martin, our Command and Control, Battle Management and Communications (C2BMC) National Team (C2NT) is pioneering the development and integration of cutting-edge technologies to advance the Missile Defense System, safeguarding the United States and its allies. Our collaborative and agile organization operates in a fast-paced environment, driving innovation through tasks such as sensor/weapon integration, algorithm development, user interface development, automated testing, cyber security, enterprise/infrastructure services, and enhancing leading-edge missile defense technologies. The Work Designs, plans, and validates secure network communications systems for the C2BMC program. You develop detailed specifications, schematics, and capacity forecasts; select hardware/software; implement firewalls, switches, routers, and security relevant devices; and conduct rigorous testing. You apply DoW RMF/CSRMC/STIG compliance, produce required IA...
LMI
Feb 06, 2026
ISSO - Information System Security Officer - Clearance Required
LMI Colorado Springs, CO
Overview LMI is seeking a highly motivated mid-level Information System Security Officer (ISSO) looking for hands-on experience and opportunity for career growth under direction of the Chief Information Security Officer.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.   Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and...
Lockheed Martin
Jul 02, 2026
SDN-Backbone Program Manager
Lockheed Martin Highlands Ranch, CO
Description: Space Data Network - Backbone is looking for a program manager for a very dynamic program in support of our Nation's space infrastructure needs. As a program manager for SDN-B, you will be responsible for the cost, schedule, and technical performance of a segment of the program (space vehicle, ground, systems and operations). This position requires ability to obtain and maintain Active Top Secret Clearance. Must be a U.S. Citizen. This position is contingent upon contract award. Basic Qualifications: • Experience and understanding of work breakdown structures (WBS), Responsibility Assignment Matrices (RAM), Integrated Master Plan (IMP), Integrated Master Schedule (IMS) and program management plan(s) (PMP) • Experience leading multi-disciplinary teams. • Experience leading program proposals. • Experience with executive level communications. • Experience with DoD customers. • Ability to obtain and maintain Active Top Secret Clearance Desired Skills: • Experience...
Lockheed Martin
Jul 02, 2026
SDN-Backbone Program Manager
Lockheed Martin Highlands Ranch, CO
Description: Space Data Network - Backbone is looking for a program manager for a very dynamic program in support of our Nation's space infrastructure needs. As a program manager for SDN-B, you will be responsible for the cost, schedule, and technical performance of a segment of the program (space vehicle, ground, systems and operations). This position requires ability to obtain and maintain Active Top Secret Clearance. Must be a U.S. Citizen. This position is contingent upon contract award. Basic Qualifications: • Experience and understanding of work breakdown structures (WBS), Responsibility Assignment Matrices (RAM), Integrated Master Plan (IMP), Integrated Master Schedule (IMS) and program management plan(s) (PMP) • Experience leading multi-disciplinary teams. • Experience leading program proposals. • Experience with executive level communications. • Experience with DoD customers. • Ability to obtain and maintain Active Top Secret Clearance Desired Skills: • Experience...
Lockheed Martin
Jul 02, 2026
SDN-Backbone Program Manager
Lockheed Martin Highlands Ranch, CO
Description: Space Data Network - Backbone is looking for a program manager for a very dynamic program in support of our Nation's space infrastructure needs. As a program manager for SDN-B, you will be responsible for the cost, schedule, and technical performance of a segment of the program (space vehicle, ground, systems and operations). This position requires ability to obtain and maintain Active Top Secret Clearance. Must be a U.S. Citizen. This position is contingent upon contract award. Basic Qualifications: • Experience and understanding of work breakdown structures (WBS), Responsibility Assignment Matrices (RAM), Integrated Master Plan (IMP), Integrated Master Schedule (IMS) and program management plan(s) (PMP) • Experience leading multi-disciplinary teams. • Experience leading program proposals. • Experience with executive level communications. • Experience with DoD customers. • Ability to obtain and maintain Active Top Secret Clearance Desired Skills: • Experience...
Lockheed Martin
Jul 02, 2026
Guidance, Navigation & Control Engineer (Staff, Level IV)
Lockheed Martin Highlands Ranch, CO
Description: This position is contingent upon the program award expected in Fall 2026 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...
Lockheed Martin
Jul 02, 2026
Guidance, Navigation & Control Engineer (Staff, Level IV)
Lockheed Martin Highlands Ranch, CO
Description: This position is contingent upon the program award expected in Fall 2026 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...
Lockheed Martin
Jul 02, 2026
Guidance, Navigation & Control Engineer (Senior, Level III)
Lockheed Martin Highlands Ranch, 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 Military Space Guidance, Navigation,...
Lockheed Martin
Jul 02, 2026
Guidance, Navigation & Control Engineer (Senior, Level III)
Lockheed Martin Highlands Ranch, 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 Military Space Guidance, Navigation,...
Lockheed Martin
Jul 02, 2026
Guidance, Navigation & Control Engineer (Staff, Level IV)
Lockheed Martin Highlands Ranch, 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 Military Space Guidance, Navigation,...
Lockheed Martin
Jul 02, 2026
Guidance, Navigation & Control Engineer (Senior, Level III)
Lockheed Martin Highlands Ranch, 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 Military Space Guidance, Navigation,...
Lockheed Martin
Jul 02, 2026
Guidance, Navigation & Control Engineer (Senior, Level III)
Lockheed Martin Highlands Ranch, 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 Military Space Guidance, Navigation,...
Lockheed Martin
Jun 19, 2026
Digital Signal/Image Processing Engineer III
Lockheed Martin Highlands Ranch, CO
Description: The Silicon Solutions team of Lockheed Martin Space is building the best SOC team in the world and are seeking a highly talented and strategically-thinking leader who has a passion for technology, project management and people. 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? We are looking for a Signal Processing Engineer who has a background in Signal Processing algorithm development. Key activities you will accomplish in this role: As a Signal Processing Engineer, you will: • Design, develop, and verify complex DSP blocks (mixers, re-samplers, channelizers, DUC/DDC, etc.) on embedded processors, ASICs, FPGAs, and Versal/Polarfire SOCs. • Serve as the technical authority for signal processing architecture, ensuring each block meets performance, power, and...
Lockheed Martin
Jun 13, 2026
Guidance, Navigation, & Control Manager
Lockheed Martin Highlands Ranch, 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: As the GNC Lead for Space Development...
Lockheed Martin
Jun 04, 2026
Engineering Planner (Project Engineer)
Lockheed Martin Highlands Ranch, 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. Please join us as an Engineering Planner (Project Engineer), where you will be working...
Lockheed Martin
Jun 04, 2026
Integrated Program Planner - Level 2
Lockheed Martin Highlands Ranch, CO
Description: Protecting what matters most is the mission that matters most. 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. We have an opportunity for...
Lockheed Martin
Jun 02, 2026
Integrated Program Planner - Level 3
Lockheed Martin Highlands Ranch, CO
Description: Protecting what matters most is the mission that matters most. 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 have an opportunity for...
Lockheed Martin
May 23, 2026
AI Assist Project Manager
Lockheed Martin Highlands Ranch, CO
Description: The Senior AI Project Manager is a high-autonomy, technically grounded individual contributor-leading role responsible for driving the end-to-end delivery of complex, multi-disciplinary artificial intelligence business development use-cases and initiatives. Operating with minimal oversight, this individual owns the full project lifecycle, from discovery and scoping through deployment and continuous improvement, while simultaneously advancing organizational AI maturity, governance practices, and cross-functional alignment. The ideal candidate brings hands-on experience in software development or AI/ML development, has transitioned into or alongside project and program management, and is equally fluent in technical architecture discussions and executive stakeholder communications. This person thrives in ambiguous, fast-moving environments, proactively identifies risk, and continuously improves delivery frameworks, ideally, using Agile, Six Sigma, or data-driven...
Lockheed Martin
Aug 13, 2026
Software Engineer Sr.
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'RE DOING On 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
Aug 11, 2026
Staff Mult Fnc Info Sys Analyst- TS/SCI W/Poly - Littleton, CO
Lockheed Martin Littleton, CO
Description: Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers’ toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Martin Space division located in Denver, CO. The selected candidate will be responsible for providing support to the critical programs under the responsibility of the Space Division. This IT professional will ensure that the Lockheed Martin IT systems are managed, controlled, and compliant with the Corporate Information Protection Manuals (CIPM). This includes upgrades, operations and maintenance, hardware and software installations, and service requests (servers, workstations, containers,...
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