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10 network administrator jobs found in Littleton

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Information Technology Littleton network administrator
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Lockheed Martin
Dec 17, 2025
System Administrator
Lockheed Martin Littleton, CO, USA
Description: What We Do: The Trusted Security Solutions (TSS) program is the beating heart of Rotary Mission Systems, where cutting edge technology meets uncompromising safety to protect the world’s most critical missions. Built on Lockheed Martin’s heritage of aerospace excellence and maritime mastery, TSS delivers an integrated suite of cyber resilient, hardware root of trust, and encrypted communication solutions that keep sensors, weapons, and command and control networks invulnerable to ever evolving threats. What You Will Be Doing As a System Administrator within this dynamic environment, you will be the guardian of the program’s underlying infrastructure. Your day to day responsibilities include operating, maintaining, and supporting the organization’s server and network platforms to ensure high availability, peak performance, and robust security for mission critical systems. You will provide timely technical assistance to end users and internal teams, troubleshoot...
Lockheed Martin
Dec 03, 2025
Information Systems Analyst, Stf / Windows Admin / Secret / Onsite: CO
Lockheed Martin Littleton, CO, USA
Description: *In light of current internal business pressures, priority consideration will be given to qualified candidates who are currently affiliated with the Enterprise Operations’ Enterprise Business & Digital Transformation (EBDT) organization Windows System Administrator Windows System Administrator Job Requirements Lockheed Martin Enterprise Operations (EO) is seeking a highly skilled and experienced Full-Time Windows System Administrator to support the Space business area's CPS classified program in Littleton, Colorado. As a key member of our team, you will apply your extensive technical expertise to administer and secure Windows-based classified networks, driving innovative solutions that ensure compliance, resilience, and mission success. Key Responsibilities: • Serve as the primary technical contact for senior external stakeholders on critical technical matters, representing the organization with expertise and professionalism • Develop and implement technical...
Lockheed Martin
Dec 03, 2025
Systems Administrator / Linux / Secret / Onsite: CO
Lockheed Martin Littleton, CO, USA
Description: In light of current internal business pressures, priority consideration will be given to qualified candidates who are currently affiliated with the Enterprise Operations’ Enterprise Business & Digital Transformation (EBDT) organization 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 people works with partners around the world to bring proven performance 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 Lockheed Martin Enterprise Operations (EO) position will support the Theater Strike Weapons System (TSWS) program. Work location for this position is Littleton, CO. The Multi-Function Information Systems Analyst assists users with resolving technical issues with applications, connectivity and other IT related issues. The...
Lockheed Martin
Nov 15, 2025
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
Nov 11, 2025
Staff Systems Engineer
Lockheed Martin Littleton, CO, USA
Description: WHO WE ARE Lockheed Martin is a global security and aerospace company that employs approximately 120,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. Lockheed Martin (LM) Rotary and Mission Systems (RMS) is looking for engineering professionals to work on the Trusted Security Solutions (TSS) program to engineer Cross-Domain Solution (CDS) products. This position is for a Systems Engineer/Installer on the Radiant Mercury product within the TSS program. Radiant Mercury is the US Navy's premier CDS product and LM has been the prime contractor for over 20 years. WHAT WE’RE DOING At LM we engineer innovative solutions to deliver resilient systems, products, and services across evolving cyber threats. Strong, resiliency-focused engineering is essential to protecting customer platform/weapon systems from increasingly sophisticated...
Lockheed Martin
Nov 11, 2025
Senior Systems Engineer - IT
Lockheed Martin Littleton, CO, USA
Description: WHO WE ARE Lockheed Martin is a global security and aerospace company that employs approximately 120,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. Lockheed Martin (LM) Rotary and Mission Systems (RMS) is looking for engineering professionals to work on the Trusted Security Solutions (TSS) program to engineer Cross-Domain Solution (CDS) products. This position is for a Systems Engineer/Installer on the Radiant Mercury product within the TSS program. Radiant Mercury is the US Navy's premier CDS product and LM has been the prime contractor for over 20 years. WHAT WE’RE DOING At LM we engineer innovative solutions to deliver resilient systems, products, and services across evolving cyber threats. Strong, resiliency-focused engineering is essential to protecting customer platform/weapon systems from increasingly sophisticated...
Lockheed Martin
Nov 11, 2025
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
Nov 06, 2025
Information Systems 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 Special Access 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...
Lockheed Martin
Oct 11, 2025
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
Oct 04, 2025
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...
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