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2 systems administrator jobs found

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Security Clearance systems administrator MD
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Lockheed Martin
Aug 18, 2026
Windows & Linux Systems Administrator Staff
Lockheed Martin MD
Standard Job Description WHAT WE'RE DOING: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK: The GG System Administrator is a senior level role that blends enterprise system administration (Linux & Windows) with full cycle network engineering, including design, deployment, and support of Arista as well as other vendor platforms. The incumbent will drive automation, security, and DevOps best practices while delivering resilient, high performance infrastructure...
SAIC
Sep 23, 2026
SIGINT Training Specialist
SAIC MD
Description SAIC is seeking a SIGINT Training Specialist in Aberdeen Proving Grounds, MD. JOB DESCRIPTION: The SIGINT Training Specialist will develop, deliver, and maintain training programs supporting U.S. Army Signals Intelligence (SIGINT) missions. This role supports C5ISR Quick Reaction Capability (QRC) efforts by developing and delivering accurate, timely, and mission-focused instruction on SIGINT systems, tools, doctrine, and workflows. The ideal candidate has operational SATCOM and RF experience, strong instructional skills, and the ability to work closely with engineers, system administrators, and program leadership. JOB DUTIES: Develop, update, and deliver training materials for Army SIGINT systems, including classroom instruction, hands-on equipment training, and field-based exercises. Provide training for SIGINT collection platforms. Conduct new equipment training (NET), operator refresher training, and mission-specific instructional requirements...
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