• Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …+ Experience managing FreeIPA or LDAP based systems + Background in Network Security, Intrusion Detection, and server monitoring + Familiar with server and ... for. **Job Description:** Parsons is seeking a mid-level **Linux Systems Administrator ** . The candidate will support...+ Plan and coordinate system outages and upgrades + Network monitoring and maintenance + Install server… more
    Parsons Corporation (08/09/25)
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  • ACAS Systems Administrator…

    CACI International (Norfolk, VA)
    ACAS Systems Administrator / Information Systems Security Officer (ISSE) Job Category: Information Technology Time Type: Full time Minimum Clearance Required ... Travel: Continental US * * * **The Opportunity** We're seeking an experienced Information Systems Security Engineer & ACAS System Administrator to join our NTCSS… more
    CACI International (09/25/25)
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  • Exchange Systems Administrator SME

    Leidos (Alexandria, VA)
    …you can thrive, keep reading!** **The Mission** Leidos is seeking an Exchange System Administrator to support a large enterprise IT contract for the DOD. This role ... a person with subject matter expertise administering Exchange and email retention systems within a physical and virtual server environment. Duties include examining… more
    Leidos (07/23/25)
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  • Systems Administrator

    Leidos (Reston, VA)
    …energetic, cleared professional seeking a rewarding and challenging opportunity as a Systems Administrator dedicated to full time support of a Leidos ... to change and will thrive in a fast-paced, dynamic program environment. The administrator will be expected to perform advanced systems support to include… more
    Leidos (09/26/25)
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  • Database Administrator (Senior)

    BAE Systems (Sterling, VA)
    **Job Description** BAE Systems , a top-ten prime contractor to the US Department of Defense, enables the US government to transform data into intelligence and ... engineering, integration and sustainment support for critical military platforms and systems . Intelligence & Security provides services and products to the… more
    BAE Systems (09/12/25)
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  • Systems Administrator

    Guidehouse (Springfield, VA)
    …clearance with a COUNTERINTELLIGENCE (CI) polygraph + Bachelor's Degree + Microsoft Systems Administrator Certification + Microsoft Active Directory, DNS, and ... Top Secret SCI (TS/SCI) **What You Will Do** **:** The System Administrator will provide technical support, systems administration, application administration,… more
    Guidehouse (08/08/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a **Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This ... team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within...to guide the system's cloud hosting strategy + Develop monitoring dashboards to alert on software operational status +… more
    Leidos (07/29/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    Tier 2 Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT team. In this...be responsible for maintaining and troubleshooting mission critical IT systems , supporting end users, and ensuring the security and… more
    CACI International (09/20/25)
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  • Windows Systems Administrator

    Leidos (Arlington, VA)
    **Description** We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is ... migrate to a high security cloud environment by providing network and communication services, monitoring services, and...partners + TS/SCI w/CI Poly Preferred + Integration of Network Management (NM) and Element Management (EM) systems… more
    Leidos (07/18/25)
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  • Systems Administrator SME

    Amentum (Chantilly, VA)
    Amentum is seeking a ** Systems Administrator SME** to support our **FEDSIM United States Army National Guard (G2 IS3)** contract. **Responsibilities:** + Manages ... monitoring , and compliance auditing. Supports system sponsorship and network access coordination with government stakeholders, providing administrative oversight… more
    Amentum (09/23/25)
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