• 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 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 (10/14/25)
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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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • Systems Administrator

    Amentum (Warrenton, VA)
    Amentum is seeking a Windows Systems Administrator to support our federal program in Warrenton, VA. Our mission is to operate and maintain the Distributed ... Manage and support virtualization platforms such as VMware and/or Hyper-V + Monitor system performance, review security logs, and apply critical updates and… more
    Amentum (01/09/26)
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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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  • Systems Administrator - TS/SCI…

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking an experienced ** Systems Administrator ** to join our team in supporting mission-critical IT infrastructure. This role is ideal ... You will work in a collaborative, high- security environment, ensuring the reliability, security , and efficiency of systems that support national security more
    Leidos (01/01/26)
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  • Windows Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a skilled and motivated **Windows Systems Administrator ** to join our team of top Information Technology and Analytic professionals in ... the organization's Windows infrastructure as part of a collaborative systems team. Your focus will span operations, security...operating systems + Design interfaces to external systems and maintain thorough documentation on system 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 ... initiatives, including PKI, LDAP, and related authentication technologies + Maintain system documentation, configuration management, and security baselines in… more
    ManTech (12/13/25)
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  • Linux Systems Administrator - TS/SCI…

    Parsons Corporation (Centreville, VA)
    …and redefine what's possible. **Job Description:** Parsons is seeking a Linux Systems Administrator . The candidate will support both Linux based workstations ... systems maintenance. Responsibilities also include software and hardware system installations, and troubleshooting of user reported issues. The candidate will… more
    Parsons Corporation (01/08/26)
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  • Cloud Administrator

    Leidos (Ashburn, VA)
    …cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area ... servers and workstations. The CBP SOC is responsible for the overall security of CBP Enterprise-wide information systems , and collects, investigates, and… more
    Leidos (11/15/25)
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