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58 information system security manager jobs found in Littleton

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Littleton information system security manager
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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
Mar 05, 2026
Alternate ISSM/Classified Cybersecurity Associate Manager
Lockheed Martin Littleton, CO, USA
Description: TS/SCI clearance with ability to obtain a Polygraph. The Classified Cybersecurity Associate Manager will partner with the security team, Program personnel, and Government customers to perform as an Alternate Information Systems Security Manager (A-ISSM) for Information Systems (IS) located at the LM facility in Littleton, CO. In this role, you will: - Manage a team of ISSOs and ensure compliance with contract security specifications, customer governing requirements and LM Space security policies. - Assist the ISSM in overseeing day-to-day information system security operations. - Carry out LM and customer security requirements under the Risk Management Framework (RMF). - Perform system auditing to validate configuration and processes are in accordance with the Assessment and Authorization (A&A) documentation, and assist in periodic regulatory risk assessments. Other responsibilities include ensuring consistent implementation of compliant and cost effective...
Lockheed Martin
Mar 04, 2026
Industrial Wastewater Treatment Lead
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. -- Our facility in Littleton, CO has an immediate opportunity for...
Lockheed Martin
Mar 03, 2026
Network Engineer, Sr / TS/SCI Poly / Onsite: CO
Lockheed Martin Littleton, CO, USA
Description: This is a critical position supporting the Space Systems Company in Denver, CO working directly with our internal and external customers. This position will have the responsibility for installing, configuring, and maintaining the Secure Communications LAN, WAN and Voice systems. Candidates will work closely with team members, vendors and will work with Administrative and End user teams to ensure connectivity of primary and backup networks in support of LOB programs. After- hours support is periodically required and some non-standard work shifts might be required to support periodic system tests, baseline promotions, and other non-critical mission activities. Candidate must be a U.S. Citizen and have active TS/SCI security clearance with CI Poly and possess a Security+ certification or be able to obtain a Security+ certification within 60 days of hire. There is no telecommuting available or this position. This position is responsible for, but not limited to: •...
Lockheed Martin
Feb 27, 2026
FBM - Advanced Mission S&T Associate Manager (L4)
Lockheed Martin Littleton, CO, USA
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? For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s mission to provide affordable and credible strategic defense. We offer unique career opportunities and challenges on a program with a rich history and exciting future. We help keep this nation and our allies secure. The FBM Program is experiencing significant growth and we need your expertise to deliver amazing new technologies to our customers while maintaining the technical requirements of the strategic deterrence. FBM is a reliable program that has been a part of the United States for over 60 years with many years to come. As we enter the next phase of FBM there are large opportunities for growth and career development. As a part of the FBM team, we can build, replenish, &...
Lockheed Martin
Feb 24, 2026
Project Engineer - Level 2
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. At Lockheed Martin, we are shaping the future of space exploration and defense. As a...
Lockheed Martin
Feb 24, 2026
Systems Engineering Manager - System Test
Lockheed Martin Littleton, CO, USA
Description: "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 at the forefront of hypersonic missile development, and we want you to be a part of this exciting journey. Our Conventional Prompt Strike (CPS) program is creating the first hypersonic system for the U.S. Navy, and 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. Lockheed Martin is seeking a Systems Engineering Manager to join...
Lockheed Martin
Feb 21, 2026
Software Engineering Associate Manager - Clearance Required
Lockheed Martin Littleton, CO, USA
Description: • Leadership and project management of the FSW team in support of the CPS FSW manager • Accountability for the technical, cost, and schedule aspects and ultimate completion of the flight software deliverables to support CPS and its flight test events • Providing direction to subordinates based on general policies and management guidance and ensuring projects are completed on schedule and within budget • Coordinating subordinate employee recruitment, selection and training, performance assessment, work assignments, salary, and recognition/disciplinary actions Manages software development activities. Responsible for coordinating subordinate employee recruitment, selection and training, performance assessment, work assignments, salary, and recognition/disciplinary actions. Oversees the design, development, documentation, and testing of software that contains logical and mathematical solutions to business/mission problems or questions in computer language for solutions by...
Lockheed Martin
Feb 21, 2026
Software Engineering Associate Manager - Clearance Required
Lockheed Martin Littleton, CO, USA
Description: • Leadership and project management of the FSW team in support of the CPS FSW manager • Accountability for the technical, cost, and schedule aspects and ultimate completion of the flight software deliverables to support CPS and its flight test events • Providing direction to subordinates based on general policies and management guidance and ensuring projects are completed on schedule and within budget • Coordinating subordinate employee recruitment, selection and training, performance assessment, work assignments, salary, and recognition/disciplinary actions Manages software development activities. Responsible for coordinating subordinate employee recruitment, selection and training, performance assessment, work assignments, salary, and recognition/disciplinary actions. Oversees the design, development, documentation, and testing of software that contains logical and mathematical solutions to business/mission problems or questions in computer language for solutions by...
Lockheed Martin
Feb 20, 2026
Systems Engineer Senior Manager - Portfolio Manager
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. OVERVIEW: 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. What does this role look like? Our Lockheed...
Lockheed Martin
Feb 20, 2026
Information Systems Security Officer, Classified Cybersecurity
Lockheed Martin Littleton, CO, USA
Description: This position requires TS/SCI clearance with ability to pass a Polygraph. The Cybersecurity Specialist will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) at the LM Waterton facility in Littleton, CO. Classified Cybersecurity Analysts help secure lifesaving products and critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability, and commercial use. The work that Cybersecurity Analysts do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones – this is dynamic, gratifying and impactful work! - You will have the opportunity to engage in all aspects of the cyber discipline - You can enjoy a work-life balance that allows for flex...
Lockheed Martin
Feb 19, 2026
Information Systems Security Officer, Classified Cybersecurity
Lockheed Martin Littleton, CO, USA
Description: TS/SCI clearance with willingness to receive Polygraph. The Cybersecurity Specialist will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) for Special Access Programs located at the LM Waterton facility in Littleton, CO. Classified Cybersecurity Analysts help secure state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability, and commercial use. The work that Cybersecurity Analysts do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones. It's dynamic, gratifying and impactful work! - You will have the opportunity to engage in all aspects of the cyber discipline. Key Responsibilities of this role includes: - Oversee day-to-day information...
Lockheed Martin
Feb 18, 2026
Systems Engineer Manager
Lockheed Martin Littleton, CO, USA
Description: Curious where the nation is going with Overhead Persistent Infrared? Join Lockheed Martin's team that crafts and builds the current and future generation of space systems that creatively combines satellite technology, sophisticated sensors, and data processing to provide crucial global infrared data 24/7. This mission advises Presidential decisions and defends the US and its allies in a rapidly evolving environment. Help us advance our OPIR designs and deliver survivable satellites with nuclear-hardened electronics, sophisticated communications, resiliency and cyber security. OPIR is a mission area where you can make big things happen and solve some of the country’s hardest problems. Come join a team that has a vision for the future of space and knows what it takes to get there. We are looking for a dedicated Systems Engineering Manager to lead a team on the NextGen GEO (NGG) program supporting system level integration and resiliency across a complex system of...
Lockheed Martin
Feb 18, 2026
Program Management Manager, Mechanisms, Secret
Lockheed Martin Littleton, CO, USA
Description: Lockheed Martin Space is seeking a Program Management Manager to join the Next Generation Interceptor (NGI) program and lead the Dynamic Ballast System (DBS) mechanism development and production. Location: the selected candidate will need to be located near our Lockheed Martin Space facility in: Sunnyvale CA , or Littleton CO and be expected to work in the office as needed and as appropriate. What does this role look like? Join us where you will lead a team of engineers developing missile avionics for use across Lockheed Martin Space. In this role, you are responsible for managing an interdisciplinary engineering team in design, assembly, test and integration of development of avionics hardware. Key responsibilities in this role: • Lead the development of a new defense system. • Direct team through development and production of the DBS mechanism. • Lead cost, schedule, and technical effort related to management of scope, size, cost estimation,...
Lockheed Martin
Feb 17, 2026
Systems Integration Manager
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. The Fleet Ballistic Missile (FBM) Program is underway on a generational opportunity to...
Lockheed Martin
Feb 17, 2026
Systems Integration Manager
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. The Fleet Ballistic Missile (FBM) Program is underway on a generational opportunity to...
Lockheed Martin
Feb 17, 2026
Space Program and Product Chief Engineer
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! Lockheed Martin is looking for a dynamic Chief Engineer to lead cutting edge space-based development programs. Your role at LM Space is critical for the successful development of the most advanced technology and complex systems in the world. You will be the chief technical authority for a team that works closely with the Program...
Lockheed Martin
Feb 13, 2026
Spacecraft Platforms Mechanical Sr Manager
Lockheed Martin Littleton, CO, USA
Description: "Ahead of Ready" 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 career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a health, 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. Lockheed Martin's Mechanical Products Talent Center is looking for a dynamic and industrious Mechanical Engineering Senior Manager to lead a large Team of Teams focused on Common Spacecraft Platforms, Bus Products, and Product Portfolios. As the...
Lockheed Martin
Feb 12, 2026
Information Systems Security Officer, Classified Cybersecurity
Lockheed Martin Littleton, CO, USA
Description: TS/SCI clearance required with ability to receive Poly within 6 months. The Cybersecurity Specialist will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) for Special Programs located at the LM Waterton facility in Littleton, CO. In this role you will: - Oversee day-to-day information system security operations including hardware and software implementations. - Carry out technical administration of IS in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF). - Auditing of the IS. - Upkeep, monitor, analyze, and respond to network and security events. - Document compliance actions within the approved automated compliance tracking system or develop a plan of actions and milestones (POA&M) with the Information Systems Security Manager (ISSM) to address non-compliance in the allotted time frame. - Ensure systems are operated,...
Lockheed Martin
Feb 10, 2026
Systems Engineer - Ordnance Architect
Lockheed Martin Littleton, CO, USA
Description: "Ahead of Ready" At Lockheed Martin, we are shaping the future of space exploration and defense. As a leader in the industry, 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 some of the world's most complex engineering challenges. And we’re reimagining how space can connect us, ensuring security and prosperity. We are passionate about delivering exceptional results and creating a better tomorrow. Lockheed Martin is looking for a dynamic, hardworking Ordnance Architect Systems Engineer to support a new missile defense program. In this role, you will report to the Systems Engineering Manager, and your responsibilities may include, but are not limited to the following: • Develop the architecture and conduct associated trades and development for the...
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