• Linux System Administrator

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Linux Systems Administrator to a fast-paced team of system administrators providing support for implementation, troubleshooting ... and maintenance of InformationTechnology (IT) systems for critical enterprise applications. This position will report...on site to Annapolis Junction, MD and requires a TS / SCI w/poly. What you will do Manage… more
    BigBear.ai (07/22/25)
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  • Sr. Principal MS Exchange Administrator

    Northrop Grumman (Annapolis Junction, MD)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Systems is seeking an experienced MS Exchange Systems Administrator to join its Classified Solutions...compliance standards. + Candidates must have a current DoD Top Secret level security clearance (adjudicated within… more
    Northrop Grumman (05/29/25)
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  • System Administrator / AWS Cloud Admin

    ABBTECH Professional Resources, Inc. (Herndon, VA)
    Administrator / Cloud Administrator ** **Location- Herndon, Va** **Clearance- TS / SCI w/ FSP** **Salary- $217k-235k/yr** _The above salary range represents ... required; and current market conditions._ **_This program requires US Citizenship_** DevOps Systems Administrator with expertise in managing AWS EC2 instances to… more
    ABBTECH Professional Resources, Inc. (05/23/25)
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  • Fidelis Administrator - Active TS

    ENS Solutions (Washington, DC)
    …Fidelis appliance stack and network issues to ensure it remains fully operational + Active TS / SCI clearance; willingness to take a polygraph exam + HS diploma or ... deployments and configuration management. + Experience as a network administrator or systems engineer. + Experience in using Active Directory to manage… more
    ENS Solutions (06/13/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …and may meet eligibility requirements, including US Citizenship, for access to classified information ; **ACTIVE TS / SCI w/ POLYGRAPH clearance is REQUIRED** ... Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will… more
    M. C. Dean (07/15/25)
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  • TS / SCI with Poly Systems

    Insight Global (Fort Meade, MD)
    …Global is looking to hire a TS / SCI with Polygraph cleared Senior Systems Administrator to support a defense contract in the Fort Meade, MD area. Daily ... Clearance Bachelors Degree in Computer Science or related field Experience as a Systems Administrator supporting a dynamic environment of Unix and Windows … more
    Insight Global (08/08/25)
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  • Information Systems Watch Technician…

    Amentum (Arlington, VA)
    **Your Impact:** Amentum is currently seeking an ** Information Systems Watch Technician** to join our dynamic team in the **Arlington, VA** area. In this ... decision support teams. This position requires an active DoD TS / SCI security clearance that has been adjudicated...6 months. + Experience as a Network and /or Systems Administrator + Operational work experience in… more
    Amentum (08/08/25)
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  • Windows System Administrator (Onsite…

    RTX Corporation (Arlington, VA)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with Polygraph RTX Corporation is an Aerospace and Defense company ... team: **Role Overview** We are seeking a skilled System Administrator on Windows systems to join our...role is onsite in Alrington, VA and requires a TS / SCI with active polygraph in order to… more
    RTX Corporation (07/09/25)
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  • Network Administrator Senior _TS/…

    General Dynamics Information Technology (Springfield, VA)
    …ID:** RQ201542 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... joining our team to provide expertise in the client's systems and objectives. **HOW A NETWORK ADMINISTRATOR ...with Senior level visibility customers. * Security Clearance Level: TS / SCI with polygraph * Location: On Customer… more
    General Dynamics Information Technology (06/26/25)
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  • ServiceNow/SharePoint SME- Top

    General Dynamics Information Technology (Arlington, VA)
    …**Clearance Level Must Be Able to Obtain:** Top Secret / SCI **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** ... or Microsoft SharePoint Administrator certification. **Security Clearance Level:** Active Top Secret with SCI Eligibility **Location:** On Customer… more
    General Dynamics Information Technology (06/14/25)
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