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19 cyber security engineer jobs found in Littleton, CO

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Lockheed Martin
Jan 20, 2026
Cyber Security Engineer
Lockheed Martin Littleton, CO, USA
Description: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world’s most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours. As the Cyber Security Engineer/ISSE, you will coordinate with multiple teams across the program in an Agile team environment. You will interface with Operations, Development, Deployment, and Systems Engineering teams, and will help to derive...
Lockheed Martin
Jan 20, 2026
Cyber Security Engineer
Lockheed Martin Littleton, CO, USA
Description: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world’s most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours. As the Cyber Security Engineer/ISSE, you will coordinate with multiple teams across the program in an Agile team environment. You will interface with Operations, Development, Deployment, and Systems Engineering teams, and will help to derive...
Lockheed Martin
Jan 20, 2026
Cyber Security Engineer
Lockheed Martin Littleton, CO, USA
Description: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world’s most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours. As the Cyber Security Engineer/ISSE, you will coordinate with multiple teams across the program in an Agile team environment. You will interface with Operations, Development, Deployment, and Systems Engineering teams, and will help to derive...
Lockheed Martin
Jan 28, 2026
Cyber Security Engineer
Lockheed Martin Boulder, CO, USA
Description: The coolest jobs on this planet... or any other... are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world's hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build incredible products. We provide the resources, the support, and the focus. You bring the passion and courage to envision limitless possibilities. Together, we'll build a better tomorrow. Are you ready to further your career in Cyber Security by working for one of the top companies in the world? This position is for a Cyber Security Engineer on the Next Generation GEO (NGG) program based in Boulder, but also supported in Longmont CO. The selected candidate will be part of a dynamic...
Lockheed Martin
Jan 08, 2026
Cyber Security Engineer Technical Lead
Lockheed Martin Littleton, CO, USA
Description: The coolest jobs on this planet... or any other... are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world's hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build incredible products. We provide the resources, the support, and the focus. You bring the passion and courage to envision limitless possibilities. Together, we'll build a better tomorrow. Are you ready to further your career in Cyber Security by working for one of the top companies in the world? This new and emerging need is for a Security Operations Information System Security Manager (ISSM) on the SDA Transport Layer T1contract. The ideal candidate will work directly with the...
Lockheed Martin
Feb 27, 2026
Chief Engineer, NC3 Enterprise Systems
Lockheed Martin Littleton, CO, USA
Description: 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 Lockheed Martin's Global Situational Awareness (GSA) & Global Command, Control & Comms (GC3) team. This group of diverse Engineers design, develop, and field the systems architecture and supporting hardware and software components and systems in support of the next generation of GC3 systems. As part of the GC3 portfolio in the Strategic Missiles and...
Lockheed Martin
Feb 05, 2026
Sustainment Engineer / Logistics Management Analyst
Lockheed Martin Littleton, CO, USA
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women 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. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build 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. We are seeking an Sustainment Engineer / Logistics Management Analyst to perform a wide variety of tasks requiring Property and asset tracking, Inventory management, Maintaining calibration certs, Shipping and receiving of lab equipment and other duties as assigned. This position is for an...
Lockheed Martin
Jan 27, 2026
Manager - Software Engineering Lead
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 SW Engineering/SW Development Lead who likes to be challenged, solve problems, and lead a highly skilled software development team. Who We Are: As risks to our hardware, software, and supply chains continue to rise, our customers require advanced solutions to mitigate growing vulnerabilities and ensure our systems can operate in cyber contested environments. Strong resiliency-focused engineering is essential to protecting Rotary and Mission Systems (RMS) platform/weapon systems from increasingly sophisticated threats. The engineer will be part of a...
Lockheed Martin
Jan 27, 2026
Manager - Software Engineering Lead
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 SW Engineering/SW Development Lead who likes to be challenged, solve problems, and lead a highly skilled software development team. Who We Are: As risks to our hardware, software, and supply chains continue to rise, our customers require advanced solutions to mitigate growing vulnerabilities and ensure our systems can operate in cyber contested environments. Strong resiliency-focused engineering is essential to protecting Rotary and Mission Systems (RMS) platform/weapon systems from increasingly sophisticated threats. The engineer will be part of a...
Lockheed Martin
Jan 20, 2026
DevSecOps SW Engineer
Lockheed Martin Littleton, CO, USA
Description: As a DevSecOps SW Engineer for Assembly Test Launch Operations (ATLO) Test Labs and Services (ATLS), you will perform a variety of activities in these following areas: • Leverage the latest DevSecOps tools and methodologies to deliver value to our customers quickly, efficiently, and repeatedly • Develop and maintain Infrastructure-as-Code for consistent and repeatable environment deployment • Establish & refine DevSecOps processes for the ATLS software organization by partnering with the LM Space Software Factory team • Identify and remediate cyber security vulnerabilities • Support agile development teams by developing and maintaining tools, pipelines, scripts, and environments. • Maintain organization's developed software and commercial off the shelf (COTS) software tool configuration control library such as tracking, identification, licensing, etc. Basic Qualifications: - Experience with at least one modern programming language: (Examples - LabView, C/C++,...
Lockheed Martin
Feb 25, 2026
Embedded Cyber Software Engineer Senior Staff
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 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. Lockheed Martin Space is looking for an Embedded Software Engineer Senior Staff (Level 5)...
Lockheed Martin
Feb 25, 2026
Embedded Software Engineer Staff
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 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. Lockheed Martin Space is looking for a Embedded Software Engineer Staff (Level 4) to join...
Lockheed Martin
Dec 19, 2025
Systems Engineer
Lockheed Martin Denver, CO, USA
Description: You will be a Systems Engineer for the R&D team that investigates and exploits the newest technological advances to solve complex, mission‑critical problems. What You’ll Be Doing As a Systems Engineer, you will design, integrate, and validate system‑level solutions that address challenging technical problems. You’ll work closely with customers, software and hardware engineers, and other stakeholders throughout the development life‑cycle to ensure the resulting architecture meets performance, cost, and schedule requirements. Key responsibilities Architectural design: Define system concepts, high‑level architectures, and functional decomposition for emerging technologies. Requirements engineering: Elicit, analyze, and manage stakeholder requirements; translate them into clear, verifiable system specifications. Integration & verification: Lead integration of subsystems, develop test plans, and oversee verification...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Senior Principal Software Systems Engineer
General Dynamics Mission Systems, Inc Boulder, CO, USA
Basic Qualifications Education Requirements: Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 10+ years of job-related experience, or a Master's degree plus 8 years of job-related experience. Agile experience preferred.     Clearance Requirements : Department of Defense Top Secret security clearance is required at time of hire.  Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES: Developing mission-critical systems that help keep people safe is what we do. At General Dynamics Mission Systems, you’ll be part of the team that helps heroes make a true impact. The work we do is...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Senior Advanced Software Systems Engineer
General Dynamics Mission Systems, Inc Boulder, CO, USA
Basic Qualifications Education Requirements : Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Agile experience preferred.   Clearance Requirements:   Department of Defense Top Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES: Developing mission-critical systems that help keep people safe is what we do. At General Dynamics Mission Systems, you’ll be part of the team that helps heroes make a true impact. The work we do is important....
Lockheed Martin
Jan 10, 2026
Chief Engineer
Lockheed Martin Boulder, CO, USA
Description: Lockheed Martin “Ahead of Ready” At Lockheed Martin, we are shaping the future of space exploration and defense. As a leader in the new space age, we are known for our pioneering spirit, collaborative partnerships, innovative thinking, and commitment to building remarkable products. Our team is dedicated to making a positive impact on the world by leveraging our unique skills and experiences to tackle complex engineering challenges. We are passionate about delivering exceptional results and creating a better tomorrow. We are looking for talented individuals to join our team! If you share our passion for innovation and our commitment to making a difference in the world, we welcome you to join us. We are currently looking for a Chief Engineer for the Resilient MEO Missile Warning and Tracking (RMWT) Ground Management and Integration (GMI) program. The CE will be responsible for establishing the technical roadmap for the program. In addition, the CE fulfills a...
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 27, 2026
AI Research Engineering Sr Manager
Lockheed Martin Littleton, CO, USA
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space. 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 single day we use our unique skills and experiences to create, design and build solutions to some of the worlds’ hardest engineering problems. Do you want to be part of a culture that inspires employees to think big, perform with excellence and build incredible products? We provide the resources, inspiration and focus - if you have the passion and courage to dream big, then we want to build a better tomorrow with you. The AI Research Engineering Sr Manager will lead a diverse team of scientists and engineers to accelerate the timeline from discovery to the transition of disruptive technology to our internal and external customers. Areas of interest include but are not limited to, fusion of rigorous physics-based...
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