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4 information systems security officer jobs found in Littleton

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Security Clearance Littleton information systems security officer
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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
Information System Security Officer, Classified Cybersecurity
Lockheed Martin Littleton, CO, USA
Description: This position requires TS/SCI clearance with ability 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 Sensitive Programs located at the LM Waterton facility in Littleton, CO. In this role you will: - Oversee day-to-day information system security operations including auditing the IS, hardware, and software implementations and RMF package authorizations. - Carry out technical administration of IS in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF). - Upkeep, monitor, analyze, and respond to network and security events. - Document compliance actions with the ISSM to address non-compliance in the allotted time frame. - Ensure systems are operated, maintained, and disposed of in accordance with internal security policies and practices. - Participate in internal/external...
Lockheed Martin
Jan 09, 2026
Mid-Career Information System Security Officer
Lockheed Martin Littleton, CO, USA
Description: WHAT WE’RE DOING C4ISR: Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance 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. The threats our customers face require us to deliver innovation at scale, and with greater agility than ever before, to address their toughest challenges and ensure they stay ahead of ready. THE WORK In this important role you will: • Oversee day-to-day information system security operations including auditing the IS, hardware, and software implementations and RMF package authorizations. • Carry out technical administration of IS in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF). • Upkeep, monitor, analyze, and respond to network and security...
Lockheed Martin
Feb 11, 2026
Program Security Rep
Lockheed Martin Littleton, CO, USA
Description: What We’re Doing: At Lockheed Martin Rotary and Mission Systems, 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. As a program security professional at Lockheed Martin, you'll be part of a team that's shaping the future of national security and defense. You'll have the opportunity to work on complex and challenging projects that require expertise in security and compliance. You'll collaborate with cross-functional teams to ensure the secure development, production, and deployment of our products and services. Your contributions will help protect sensitive information and critical assets and support the success of our customers and partners. The Work: Duties will include but are not limited to: Program Security Representative is a critical...
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