• Tyto Athene (Ashburn, VA)
    …Architect. + Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems ... environments. **Desired:** + Certified Splunk Architect (II) + CISSP - Certified Information Systems Security Professional + GCFA - GIAC Certified Forensic… more
    DirectEmployers Association (11/01/25)
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  • ABBTECH Professional Resources, Inc. (Reston, VA)
    ** Systems Engineer** **Location- Reston, Va** **Clearance- TS / SCI w/ FSP** **Salary- $200k-$215k/yr** _The above salary range represents the range expected ... Skills:** - Must have experience with IdAM / ICAM delivery systems , Authentication, Authorization, Attributes, - Entitlement Management and Digital Policy Management… more
    DirectEmployers Association (10/22/25)
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  • Systems Administrator (1st shift),…

    General Dynamics Information Technology (Mclean, VA)
    …ID:** RQ211537 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... Information Technology has an immediate opening for a Systems Administrator . The candidate is a ...NEED TO SUCCEED:** + **The position requires an active TS / SCI with Polygraph clearance** + **This position… more
    General Dynamics Information Technology (12/15/25)
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  • Systems Administrator - TS

    General Dynamics Information Technology (Chantilly, VA)
    …ID:** RQ206369 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... Yes **Job Description:** Transform technology into opportunity as a Systems Administrator with GDIT. A career in...experience with web services. + **Security Clearance Level** : Top Secret / SCI with Polygraph +… more
    General Dynamics Information Technology (12/16/25)
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  • Systems Administrator

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a highly motivated Systems Administrator to join our team of professionals providing technical and program services to the US ... land, at sea, in air, and in space. The Systems Administrator will be part of a...Provide superior customer service **Qualifications** + Must possess current TS / SCI with CI Polygraph + Must be… more
    SAIC (11/15/25)
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  • Junior Systems Administrator

    Amentum (Mclean, VA)
    …maintenance and support of computer systems and networks. **Must have an Active Top Secret / SCI US Government clearance. Note: US Citizenship is required ... **Amentum** is looking for a **Junior Systems Administrator ** to join our team...to maintain a Top Secret / SCI clearance.** **Responsibilities:** +… more
    Amentum (12/05/25)
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  • Systems Administrator - COMSEC

    KBR (Chantilly, VA)
    …travel. + Working Hours: Standard 40 hours per week. Qualifications: Required: + Clearance: Top Secret SCI with Polygraph. + Experience: 3+ years' experience ... Title: Systems Administrator - COMSEC Belong. Connect....in STEM degree + Certifications: IAW NRO Directive 50-05, information Assurance Workforce Enhancement Program (IAWEp) category information more
    KBR (12/06/25)
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  • SAP NS2 Senior Cloud Engineer/ Systems

    SAP (Herndon, VA)
    …benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with Polygraph ... Information Security, Engineering, Information Technology. MA/MS Preferred. + Top Secret Clearance with Polygraph Note: The job description is meant… more
    SAP (10/21/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …server and networking equipment rack installations **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required ... possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both...a US Citizen + Candidate must have a current TS / SCI clearance with Poly + Experience in… more
    Parsons Corporation (12/06/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    …Leidos has an exciting opening for you as our next Tier 2 Service Desk/ Systems Administrator . Your job will be supporting as a Linux administrator ... software configuration, rebooting, and other remedial actions on customer systems . Work will be conducted on-site at our Chantilly,...experience may be considered in lieu of degree. + TS / SCI with Polygraph is required + Strong… more
    Leidos (12/16/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include ... manuals or similar documentation. **Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph. **Physical Requirements:** + Must be able to… more
    ManTech (12/03/25)
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  • Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and skilled **Senior Systems Administrator ** to join our sustainment team in **Chantilly, VA.** In this role, you will support a ... limited to:** + Provide hands-on O&M support for enterprise systems , including break-fix resolution and routine sustainment tasks +... and group policy configuration **Clearance Requirements:** + Active TS / SCI with CI Polygraph is required for… more
    ManTech (12/13/25)
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  • IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include but ... user-friendly technical documentation. **Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph. **Physical Requirements:** + Must be able to… more
    ManTech (11/19/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    …service that provides attribute data via an LDAP interface to hundreds of various Sponsor systems Required Qualifications + Active TS / SCI with Polygraph + BS ... **Description** Leidos is seeking a System Administrator for a technical development program supporting the...+ Must be an expert in using Linux-based operating systems + Must have strong Bash skills + Must… more
    Leidos (10/10/25)
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  • System Administrator

    Chenega Corporation (Oakton, VA)
    …IT Operations Support, Software Development, and Program Management. Job Title:System Administrator Location:Oakton, Virginia Clearance Level: Top Secret ... interests of our nation. SecuriGence is seeking an experienced Systems Administrator to help contribute to our...SSCP; GICSP. + Requires a minimum of an active TS / SCI clearance. Matthew J. Keller Vice President… more
    Chenega Corporation (11/12/25)
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  • System Administrator

    Shuvel Digital (Reston, VA)
    …requirement. Briefly Describe the Work: GITI is looking for a mid-level Systems Administrator with experience in installing, configuring, troubleshooting, and ... Clearance Level: TS / SCI US Citizenship: Required Job Classification:...of requirements, system architecture, and detailed design documents. A Systems Administrator must be able to collaborate… more
    Shuvel Digital (11/12/25)
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  • Lead Security Systems Administrator

    Lumen (Herndon, VA)
    …the world and shape the future. **The Role** This unique position requires technical information systems skills / system administrative as well as ability to ... of the overall company security team as well. Current TS / SCI clearance a must. Familiarity with DOD...+ Maintain network printers. + Data Transfer Officer for information systems . + Support multiple networks with… more
    Lumen (12/10/25)
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  • Fidelis Administrator - Active TS

    ENS Solutions (Reston, VA)
    …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 (09/27/25)
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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 (10/23/25)
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  • Pr./System Admin - Shift Work ( Top

    Northrop Grumman (Chantilly, VA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: No **Description** At Northrop Grumman, our employees have ... **Must have US Citizenship with a current or active Top Secret level clearance and the ability...Level 2 certification** **Preferred Qualifications:** + Red Hat Certified Systems Administrator (RHCSA) certification + Experience with… more
    Northrop Grumman (11/25/25)
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