• Infrastructure Network Administrator

    Ops Tech Alliance (Washington, DC)
    Infrastructure Network Administrator (Washington, DC) **Infrastructure Network Administrator ** _TS/SCI Clearance Required_ _Salary Range: $91,500 - $110,800 per ... year_ Ops Tech Alliance is seeking an Infrastructure Network Administrator to configure, maintain, and monitor secure network environments supporting… more
    Ops Tech Alliance (12/17/25)
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  • Systems Administrator Expert

    General Dynamics Information Technology (Annapolis Junction, MD)
    …**Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations ... support for implementation, troubleshooting and maintenance of information Technology (IT) systems . Manages IT system infrastructure and any processes related to… more
    General Dynamics Information Technology (11/08/25)
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  • Modernization Cyber Systems

    Lockheed Martin (Hanover, MD)
    **Description:** **The Work:** We are seeking professionals interested in Systems Administration\. * Here, you are going to provide life\-cycle services to advance ... providing new features and enhancements to Front End Solutions systems \. This will allow for products to work at\-scale...**Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph SA2: * A High School Diploma or GED… more
    Lockheed Martin (01/08/26)
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  • Microsoft Exchange Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Laurel, MD)
    …for local and extended enterprise systems and personnel + TS/SCI clearance with a polygraph + HS diploma or GED Nice If You Have: + 15+ years of experience in ... Microsoft Exchange Administrator The Opportunity: Are you looking for an...your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world… more
    BOOZ, ALLEN & HAMILTON, INC. (01/09/26)
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  • Network Administrator 3

    M. C. Dean (Fort Meade, MD)
    …industries. **Position Summary:** MC Dean is seeking a highly competent TS/SCI with Polygraph cleared **Network Administrator 3** to assist on the design and ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (12/23/25)
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  • System Administrator

    Parsons Corporation (Centreville, VA)
    …Collaborate with other IT and security teams to integrate and secure systems within the classified environment. + Maintain detailed documentation of system ... needed. + Understand and apply the Risk Management Framework (RMF) to ensure systems are secure and compliant. + Develop and maintain Standard Operating Procedures… more
    Parsons Corporation (12/04/25)
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  • Staff Cybersecurity Application…

    Northrop Grumman (Melbourne, FL)
    …Classified Solutions team is seeking experienced **Staff Cybersecurity Application Administrator /Architect** across the country to support information systems ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (01/14/26)
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  • Senior Linux System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …finalist in 2021! Belay Technologies is seeking a Senior Linux System Administrator (SA). The SA provides support for implementation, troubleshooting and maintenance ... of Information Technology (IT) systems . The SA manages IT system infrastructure and any...Candidates should have the following qualifications: + TS/SCI with polygraph is required. + Bachelor's degree in a technical… more
    Belay Technologies (01/04/26)
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  • Staff Network Administrator - TS/SCI

    Northrop Grumman (Redondo Beach, CA)
    …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared… more
    Northrop Grumman (12/10/25)
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  • System Administrator 2

    M. C. Dean (Annapolis Junction, MD)
    …seeking a **System Administrator 2** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... engineer and deploy automated, secure and resilient power and technology systems ; and deliver the management platforms essential for long-term system sustainability.… more
    M. C. Dean (11/05/25)
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