• AeroVironment (Herndon, VA)
    …enterprise systems , applications, and endpoints. + Coordinate with network, systems , and security teams to resolve enterprise-impacting issues and restore ... Intermediate or Managing Professional certification. + Microsoft Certified: Modern Desktop Administrator Associate or equivalent. + CompTIA Network+, Security +,… more
    DirectEmployers Association (01/06/26)
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  • Tyto Athene (Reston, VA)
    …interface:** Coordinate with facilities on power, cooling, UPS/generators, and physical security for server rooms. **Qualifications** **Required:** 10+ ... allow developers to "go fast" while adhering to strict security and operational guardrails. **Responsibilities:** + Lead Data Center...mission cyber considerations + Serve as Technical Lead and administrator for TALON Data Center and TALON lab IT… more
    DirectEmployers Association (12/13/25)
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  • Physical Security System

    M. C. Dean (Chantilly, VA)
    …across high-growth markets. As a System Administrator for our Physical Security Systems , you will be responsible for monitoring, maintaining, ... electrical, engineering, and cybersecurity industries. We are seeking a ** Physical Security System Administrator...improvements + Resolve complex system issues for physical security systems + Triage… more
    M. C. Dean (10/23/25)
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  • System Administrator Lead

    System One (Mclean, VA)
    Job Title: System Administrator Lead Location: Arlington, Virginia Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Top Secret w/ SCI ... eligibility Duties and Responsibilities: Leads a team of system administrators responsible for enterprise IT systems . * Manages escalated incidents, patch… more
    System One (12/26/25)
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  • System Administrator

    Chenega Corporation (Oakton, VA)
    System Administrator Oakton, VA . Information Technology Join our Talent Network Are you ready to enhance your skills and build your career in a rapidly evolving ... IT Operations Support, Software Development, and Program Management. Job Title: System Administrator Location:Oakton, Virginia Clearance Level:Top Secret… more
    Chenega Corporation (11/12/25)
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  • System Operations/ Administrator

    Sciolex Corporation (Chantilly, VA)
    …Directory. Deploy software updates, patches, and security fixes to desktop systems . Conduct regular system backups and data recovery operations. Maintain and ... clearance with a Counter-Intelligence Polygraph Experience as a desktop system administrator or in a similar IT...DoD Directive 8570 Knowledge of Windows and Linux operating systems . CompTIA Security + or ability to obtain… more
    Sciolex Corporation (01/13/26)
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  • System Administrator

    CACI International (Ashburn, VA)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of ... Travel: Local * * * **The Opportunity:** CACI is currently looking for a System Administrator with agile methodology experience to join our BEAGLE (Border… more
    CACI International (12/13/25)
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  • 3DX System Administrator

    Aurora Flight Sciences Corporation (Manassas, VA)
    3DX System Administrator Job Code 4024 Assigned Aurora Location Manassas, VA Apply Now ... (https://phg.tbe.taleo.net/phg01/ats/careers/v2/applyRequisition?org=AURORA&cws=37&rid=4024) 3DX System Administrator Position Overview At Aurora Flight… more
    Aurora Flight Sciences Corporation (12/16/25)
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  • Senior Systems Administrator

    The Boeing Company (Herndon, VA)
    …space. The Senior System Administrator will handle system administration tasks, including infrastructure management, information security , software ... (IDT&S) organization Specialized Infrastructure Operations group is currently seeking a **Senior Systems Administrator ** to join the team in **Herndon, VA** .… more
    The Boeing Company (12/25/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …talent and redefine what's possible. **Job Description:** Are you a skilled **Linux Systems Administrator ** looking to work on mission-critical systems in ... a dynamic environment? Parsons is seeking a mid-level Linux Systems Administrator to support Linux-based workstations and servers in both physical and… more
    Parsons Corporation (12/20/25)
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  • Linux Systems Administrator - TS/SCI…

    Parsons Corporation (Centreville, VA)
    …and redefine what's possible. **Job Description:** Are you a skilled **Linux Systems Administrator ** looking for an opportunity to work on mission-critical ... systems ? Parsons is seeking a mid-level Linux Systems Administrator to support both Linux-based workstations...software and utilities. + Experience managing FreeIPA or LDAP-based systems . + Background in network security , intrusion… more
    Parsons Corporation (12/20/25)
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  • IT Systems Administrator

    EMCOR Group (Dulles, VA)
    …many government agencies. **Job Summary** **Essential Duties and Responsibilities:** **IT Systems Administrator Requirements:** The System Administrator ... 3 level" + Responsible for capacity, storage planning, and database performance ** Systems Administrator Qualifications:** + Relevant degree or diploma in… more
    EMCOR Group (12/31/25)
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  • Linux System Administrator -Senior…

    Nightwing (Sterling, VA)
    …technical support and guidance for system -related issues, ensuring high performance, security , and availability of IT systems + Coordinate and manage IT ... and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program...policies, etc. using FreeIPA + Hands on experience with Physical rack installations, troubleshooting, and system integration… more
    Nightwing (12/20/25)
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  • Expert Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a System Administrator for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as ... IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The System Administrator will work with a large team of developers, software… more
    Leidos (01/15/26)
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  • System Administrator

    The Boeing Company (Herndon, VA)
    …future with us. Boeing Defense, Space & Security (BDS), Maritime and Intelligence Systems (M&IS), seeks a ** System Administrator ** (Shift Work) to join ... and tight deadlines, to include **infrastructure administration** , **information security ** support and configurations, software and **OS support** ,...a small group of end users who use our system and several other systems that we… more
    The Boeing Company (01/09/26)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a System Administrator for a technical development program supporting the Sponsor's Attribute Services within the IDAM/ICAM ... space.As a System Administrator on this program, you will...interacting with cross functional project teams including Software Development, System Engineering/ Verification and Validation, Security , Compliance… more
    Leidos (01/09/26)
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  • Jr. System Administrator

    Leidos (Chantilly, VA)
    …​The National Security Sector at Leidos currently has an opening for a System Administrator to work on our Department of State Facial Recognition (DoS FR) ... security controls and supporting security tests to validate security control implementation and operation -Contribute to system documentation efforts… more
    Leidos (01/15/26)
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  • Lead Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented **Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... and ordering hardware/software to meet customer requirements + Experience with client system security to include scans, patching, audit log review, and… more
    ManTech (12/19/25)
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  • SAP NS2 Senior Cloud Engineer/ Systems

    SAP (Herndon, VA)
    …variety of benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with ... internals must have manager's approval to transfer. The NS2 Senior Cloud Engineer/ Systems Administrator candidate will be responsible for leading the development… more
    SAP (10/21/25)
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  • Junior Systems Administrator

    Amentum (Mclean, VA)
    **Amentum** is looking for a **Junior Systems Administrator ** to join our team in **McLean, VA** ! As a Junior Systems Administrator , you will be ... **Responsibilities:** + Installing and configuring software updates, patching operating systems , managing system backups, and performing routine hardware… more
    Amentum (01/01/26)
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