• Systems Administrator III

    Noblis (Chantilly, VA)
    Responsibilities As a Systems Administrator , you will be responsible for installing, configuring, and maintaining operating system workstations and servers, ... workstations and servers + Perform software installations and upgrades to operating systems and layered software packages + Schedule installations and upgrades in… more
    Noblis (12/30/25)
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  • Senior Tier III Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …Required:** Yes **Job Description:** **GDIT is seeking a Senior Tier III Administrator to provide support to Defense Information Systems Agency (DISA) Global ... and Break-Fix support after hours. ** **MEANINGFUL WORK AND PERSONAL IMPACT** **As a Tier III Administrator , you will work closely with your team and Lead to… more
    General Dynamics Information Technology (12/11/25)
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  • Mid-Level Tier III Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …Yes **Job Description:** **GDIT is seeking a Mid-Level Tier III Administrator to provide support to Defense Information Systems Agency (DISA) Global ... and Break-Fix support after hours. ** **MEANINGFUL WORK AND PERSONAL IMPACT** **As a Tier III Administrator , you will work closely with your team and Lead to… more
    General Dynamics Information Technology (12/11/25)
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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system maintenance, ... experience + Maintain DoD 8570/8140 IAT Level II or III certification + Must be able to support on-call,...be available based on position level and/or job specifics. ** Systems Administrator ** **117073BR** EEO Career Site Equal… more
    BAE Systems (12/09/25)
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  • Systems Administrator

    Amentum (Warrenton, VA)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Systems Administrator ** to join our team of passionate individuals in **Warrenton, VA** ... transformative change. **Responsibilities:** The duties and responsibilities of the ** Systems Administrator ** include, but are not limited...one of the following 8140 IAT Level II or III baseline certifications: o Level II certs include -… more
    Amentum (12/10/25)
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  • System Administrator

    Chenega Corporation (Oakton, VA)
    …security and economic interests of our nation. SecuriGence is seeking an experienced Systems Administrator to help contribute to our success. If you enjoy ... System Administrator Oakton, VA . Information Technology Join our...headquartered in Leesburg, VA, provides mission-critical services in Cybersecurity, Systems Engineering and Integration, IT Operations Support, Software Development,… more
    Chenega Corporation (11/12/25)
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  • Maximo Administrator - Staff

    Amentum (Warrenton, VA)
    …transformative change. **Responsibilities:** The duties and responsibilities of the Maximo Administrator include, but are not limited to, the following: + Oversee ... representation and insightful analysis + Integrate Maximo with other systems , particularly ServiceNow, to facilitate seamless data flow and...one of the following 8140 IAT Level II or III baseline certifications: + Level II certs include -… more
    Amentum (12/16/25)
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  • C2 Technician Level III

    General Dynamics Information Technology (Sterling, VA)
    …and coordination is highly desired. + Graduate of a DoW Command-and-Control systems administrator course is preferred. **Skills and Competencies:** + ... **Job Family:** Field Service and Support **Skills:** Communication Network,Network Programming, Systems Networking **Experience:** 4 + years of related experience… more
    General Dynamics Information Technology (11/04/25)
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  • Linux Administrator - ACAS

    CACI International (Springfield, VA)
    Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... NGA mission. In this role, we're seeking a **Linux Administrator - ACAS** who could potentially be located in...Information - Software Tools list. + Utilize agency-approved ticketing systems to document, track, assign, update, and coordinate all… more
    CACI International (11/10/25)
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  • SIPRNet Administrator

    CACI International (Reston, VA)
    SIPRNet Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of ... from ACA]. + Remediate CAT I/ CAT II/ CAT III findings associated with scans of network devices. +...network operations and/or attacks/compromises. + Work with program management, systems engineers, and systems administrators to provide… more
    CACI International (11/07/25)
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  • Cleared Active Directory and Exchange Specialist

    Virtual Service Operations (Quantico, VA)
    …a fully onsite, shift-based role. The candidate will serve as a Systems /Network Administrator , responsible for managing and troubleshooting Active Directory and ... This position requires an active Top Secret (TS) clearance and an IAT level III certification. This role is ideal for professionals with strong systems and… more
    Virtual Service Operations (11/08/25)
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  • Information System Security Engineer - Senior

    Amentum (Warrenton, VA)
    …operational environments to include all cybersecurity tool sets and collaborating with systems and network engineers. * Use knowledge, skills, and ability to conduct ... integrating, and implementing security controls into current and future products/ systems thus ensuring these systems can be...one of the following 8140 IAT Level II or III baseline certifications before a start date: o Level… more
    Amentum (12/05/25)
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  • Senior Information System Security Officer

    The MITRE Corporation (Mclean, VA)
    …Security Services Division (R300) is looking to fill a Senior Information Systems Security Officer position, with a focus on classified environments. The selected ... by providing Information Assurance and Cybersecurity services specifically for classified systems . The ideal candidate will thrive in a fast-paced, collaborative… more
    The MITRE Corporation (12/18/25)
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  • Storage Engineer

    Nightwing (Sterling, VA)
    …System Administrator - RHCSA). + DoD 8570 IAT Level II/ III certifications for roles requiring security clearances. _At Nightwing, we value collaboration ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (12/26/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    …Security Services Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with a focus on classified environments. The selected ... problem-solving skills to develop appropriate mitigation strategies and ensure Splunk systems are configured and operated in compliance with Security Technical… more
    The MITRE Corporation (11/08/25)
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