• Tier 3 Network Administrator

    CACI International (Washington, DC)
    Tier 3 Network Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... (UC), Video telecommunication and Streaming services. As a Tier 3 Network Administrator , you'll be challenged with hard complex support problems where you will… more
    CACI International (12/11/25)
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  • Senior Cloud System Administrator

    ManTech (Annapolis Junction, MD)
    …licenses and certificates **Minimum Qualifications:** + 20+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of ... seeks a motivated, career and customer-oriented **Senior** **Cloud System Administrator ** in Hanover, MD. The team delivers enterprise infrastructure capabilities… more
    ManTech (12/24/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    …OpenShift). * Knowledge of Identity and Access Management (IAM) and integration with Linux systems . * Red Hat Certified System Administrator (RHCSA) or Red Hat ... Linux Administrator Job Category: Information Technology Time Type: Full...Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None… more
    CACI International (11/13/25)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    …and on-premise contexts **Minimum Qualifications:** + 10+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of ... MANTECH seeks a motivated, career- and customer-oriented **Cloud System Administrator ** to join the team in **Hanover, MD** . Our team delivers enterprise… more
    ManTech (12/24/25)
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  • 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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  • Production Service Systems

    Oracle (Washington, DC)
    …Description** Responsible for the operation of production environments, including systems and databases, supporting critical business operations. Will perform ... Provide on-call support, on a rotating basis. + **US Government TS/SCI with Polygraph ** + **U.S. Citizenship- Federal Government customer** + **Must be located in… more
    Oracle (01/06/26)
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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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  • 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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  • 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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