• Senior Systems Administrator

    First Division Consulting (Dahlgren, VA)
    …contingent on contract award** Position Overview: First Division Consulting is seeking a Senior Unix/Linux Systems Administrator to support a Department of ... environments, ensuring the functionality, security, and efficiency of Unix/Linux-based systems , networks, and software infrastructure. The ideal candidate will have… more
    First Division Consulting (06/19/25)
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  • Tier I System Administrator ( Senior

    BAE Systems (Herndon, VA)
    …available based on position level and/or job specifics. **Tier I System Administrator ( Senior )** **114396BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** BAE Systems , a top-ten prime contractor to the US...people? We are looking for a Tier 1 System Administrator with a robust Windows 10/11 troubleshooting background supporting… more
    BAE Systems (07/19/25)
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  • Senior Systems Administrator

    GovCIO (Richmond, VA)
    **Overview** GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system ... $105,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6239/ senior - systems - administrator --%28linux-windows%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID**… more
    GovCIO (07/09/25)
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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 ... while supporting a small team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within the core shift range of… more
    Leidos (07/29/25)
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  • PKI Security Administrator ( Senior

    General Dynamics Information Technology (Falls Church, VA)
    …Seize your opportunity to make a personal impact as a **PKI Security Administrator ( Senior Level/SME)** supporting the United States Postal Service. GDIT is ... a rewarding career. At GDIT, people are our differentiators. As an **PKI Security Administrator ( Senior Level/SME)** , you will help ensure today is safe and… more
    General Dynamics Information Technology (08/10/25)
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  • System Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Belvoir, VA)
    System Administrator , Senior The Opportunity: Your combination...You Have: + 5+ years of experience as a systems administrator , network engineer, or ... Defense ( DoD ) ? We're looking for a systems administrator who spe cia lizes in...install, maintain, audit, and support a secure MS Windows network environment. You'll analyze and test new sof tware… more
    BOOZ, ALLEN & HAMILTON, INC. (07/22/25)
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  • Senior Tenable Nessus Administrator

    CACI International (Chantilly, VA)
    Senior Tenable Nessus Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... * * **The Opportunity:** CACI is looking for a Senior Tenable Administrator to support our DoD...Nessus, Nessus Manager, Nessus Agents, Log Correlation Engine, Nessus Network Monitor, and Security Center on both Linux/Unix and… more
    CACI International (06/24/25)
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  • Network Administrator II

    William C Brown Inc (Springfield, VA)
    Network Administrator II EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment ... other characteristic protected by law. Description WCBinc is looking for a Network Administrator to provide support for implementation, troubleshooting and… more
    William C Brown Inc (06/03/25)
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  • Senior Systems Administrator

    SimIS Inc. (Dahlgren, VA)
    …the listed position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a ... + Experience managing Windows and Linux server environments + Knowledge of network security, firewalls, and intrusion detection systems + Experience with… more
    SimIS Inc. (06/23/25)
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  • Enterprise Senior Systems

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Yes **Job Description:** GDIT seeks a highly motivated and experienced Enterprise Senior Systems Engineer to support the Defense Threat Reduction Agency ... Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Critical Systems ,Enterprise Servers,Operating … more
    General Dynamics Information Technology (08/08/25)
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