• NCIS Systems Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …IT Infrastructure and Operations **Skills:** Mobile Device Management (MDM),Next-Generation Network (NGN), System Administration **Certifications:** Security + ... Yes **Job Description:** Transform technology into opportunity as a ** Systems Administrator ** at GDIT. Shape what's next...+ **Required Experience:** + 5+ years of experience with Systems Administration, general computer system , network more
    General Dynamics Information Technology (01/05/26)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Reston, VA)
    …Framework. + Experience automating deployments and configuration management. + Experience as a network administrator or systems engineer. + Experience in ... of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security , System Engineering, Program/Project Management, IT… more
    ENS Solutions (12/27/25)
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  • Senior Linux/Unix Systems

    SMX (Dahlgren, VA)
    Senior Linux/Unix Systems Administrator (4411)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated Senior ... Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work as part of...and maintain Top Secret clearance + Networking protocols + Network security tools such as firewalls +… more
    SMX (12/04/25)
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  • Systems Administrator

    CACI International (Hampton, VA)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... * * **The Opportunity:** CACI is seeking a cleared Systems Administrator in Hampton, VA. This is...as current as possible with changing technology. + Perform system checks (processes, services, network , storage) to… more
    CACI International (12/18/25)
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  • System Administrator (TS/SCI Full…

    IBM (Alexandria, VA)
    …will positively impact the world around us. **Your role and responsibilities** As a System Administrator , you will work closely with IBM and clients' leaders to ... modernization, data security , identity and access management, end point security , and threat protection. * Strong Microsoft system administration skills… more
    IBM (12/03/25)
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  • Systems Administrator - Junior…

    Amentum (Dahlgren, VA)
    …(IAT) Level 2 or higher under specialty area 45 - System Administrator with certification in current Operating Systems and Information Security . ... experience with the following: system backup/recovery; basic software management; security management; network management; operating computer systems ;… more
    Amentum (12/16/25)
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  • Linux Systems Administrator - TS/SCI…

    Parsons Corporation (Centreville, VA)
    …of open source software and utilities + Experience managing FreeIPA or LDAP based systems + Background in Network Security , Intrusion Detection, and server ... what's possible. **Job Description:** Parsons is seeking a Linux Systems Administrator . The candidate will support both...+ Infrastructure monitoring and optimization + Plan and coordinate system outages and upgrades + Network monitoring… more
    Parsons Corporation (01/08/26)
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  • Systems Administrator / Information…

    Guidehouse (Arlington, VA)
    …**Clearance Required** **:** Active Secret **What You Will Do** **:** We are seeking a Systems Administrator / Information Systems Engineer in support of the ... MCEN) to ensure seamless integration and support for complex systems like MCFMIS. + Security Compliance Management:...abilities for resolving technical issues related to MCFMIS, POS systems , and network infrastructure in a timely… more
    Guidehouse (01/08/26)
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  • Systems Administrator

    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 (01/13/26)
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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 ... environment by ensuring the continued health, performance, and compliance of complex network and system infrastructures. You will help drive key Operations… more
    ManTech (12/13/25)
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