• Senior Systems / Network

    Leidos (Quantico, VA)
    **Description** Leidos has an immediate opening for a Senior Systems / Network Administrator to support critical SMIT contract initiatives based in ... is the largest IT services program for the Navy. The Senior Systems / Network Administrator will oversee the operation of network systems more
    Leidos (01/06/26)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    Senior Systems Administrator II shall work closely with the activity's Senior Systems Administrator , Network Engineer as well as the IT team ... challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active… more
    V2X (11/15/25)
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  • Senior Systems Administrator

    Chenega Corporation (Fort Belvoir, VA)
    Senior Systems Administrator Ft. Belvoir, VA Join our Talent Network Senior Systems Administrator Ft. Belvoir, VA C-CHR-24-041 TheSenior ... and information assurance support. Duties and Responsibilities: + Provide systems administration support for the Windows operating system and applications… more
    Chenega Corporation (12/01/25)
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  • Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Operation Center WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time ... about us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to… more
    St. George Tanaq Corporation (11/14/25)
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  • Senior Systems Administrator

    SMX (Patuxent River, MD)
    Senior Systems Administrator (4521)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ** ... Senior Systems Administrator ** with demonstrated...and coordination + Analyze, test, troubleshoot, and evaluate existing network systems + Perform maintenance to ensure… more
    SMX (12/12/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our ... and together our best becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services position supporting the NNSA (National… more
    General Dynamics Information Technology (01/05/26)
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  • G2 Directory Services Engineer / Senior

    General Dynamics Information Technology (Fairfax, VA)
    …**Job Description:** Transform technology into opportunity as a **Directory Services Engineer / Senior Systems Administrator ** at GDIT. Shape what's next for ... Our work depends on a **Directory Services Engineer / Senior Systems Administrator ** joining our...Responsible for the design, implementation and maintenance of physical systems including servers, storage arrays, network devices… more
    General Dynamics Information Technology (01/05/26)
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  • Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Security WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... about us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Security** to support… more
    St. George Tanaq Corporation (11/18/25)
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  • Senior Systems Administrator

    EPS Corporation (Dahlgren, VA)
    Senior Systems Administrator (Unix/Linux) - (758) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems ... Technology Job Description EPS Corporation is seeking a highly skilledSenior Systems Administrator (Unix/Linux)to support enterprise-level networks and … more
    EPS Corporation (11/13/25)
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  • Senior Linux/Unix Systems

    SMX (Dahlgren, VA)
    …in support of Naval Surface Warfare Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work as part of our team ... Senior Linux/Unix Systems Administrator ...and maintain Top Secret clearance + Networking protocols + Network security tools such as firewalls + Vulnerability management… more
    SMX (12/04/25)
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  • Senior Systems Administrator

    TekSynap (Dahlgren, VA)
    …is seeking a **S** **enior S** **ystem** ** Administrator (Unix/Linux).** The Senior Systems Administrator (Unix/Linux) serves as Key Personnel under ... support for Unix/Linux environments within the Navy enterprise. The Senior Systems Administratoris responsible forconfiguration, optimization, and sustainment… more
    TekSynap (10/31/25)
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  • Senior Windows Systems

    Leidos (Arlington, VA)
    Systems Security Certified Practitioner (SSCP) ) Training (DISA-US1390 DCWF Windows Systems Administrator ). + Expert knowledge of Windows Active Directory ... in lieu of a degree. + 6+ years of Senior level experience in Windows server (Server OS 2019,...+ Knowledge of security tools and technologies to protect systems from vulnerabilities. + Familiarity with network more
    Leidos (01/07/26)
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  • NAVAIR Senior Systems

    JHNA (Patuxent River, MD)
    Patuxent River, MD, USA | Full Time Overview: JHNA is currently seeking a Senior Systems Admin to join our NAVAIR team in Patuxent River, MD. As a System ... Administrator supporting NAVAIR, you'll collaborate with talented professionals to...organization's local area network (LAN), wide area network (WAN), and Internet systems or a… more
    JHNA (01/06/26)
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  • Senior Systems Administrator

    ManTech (Washington, DC)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Systems Administrator ** to join our team in **Washington** **, DC** . **Responsibilities ... for providing support to end-user community on difficult hardware, software and network related problems, questions, and use. + Provides resolutions to out of… more
    ManTech (12/31/25)
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  • Systems Administrator - Junior…

    Amentum (Dahlgren, VA)
    …the following: system backup/recovery; basic software management; security management; network management; operating computer systems ; sizing, performance, ... systems and Commercial Off The Shelf (COTS) software; hardware/software/ network design, troubleshooting, and resource allocation. + As per Department of… more
    Amentum (12/16/25)
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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 ... environment by ensuring the continued health, performance, and compliance of complex network and system infrastructures. You will help drive key Operations and… more
    ManTech (12/13/25)
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  • Senior VMware Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Senior VMware Administrator ** at GDIT. Shape what's next for ... sabotage, espionage and subversive activities. **MEANINGFUL WORK AND PERSONAL IMPACT** As a ** Senior VMWare Administrator ,** the work you'll do at GDIT will be… more
    General Dynamics Information Technology (01/05/26)
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  • Senior SQL Server Database…

    Chenega Corporation (Fort Belvoir, VA)
    Senior SQL Server Database Administrator Ft. Belvoir, VA Join our Talent Network Senior SQL Server Database Administrator Ft. Belvoir, VA C-CHR-24-037 ... by best practices, Army policies, and DoD standards (Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs)). + Install,… more
    Chenega Corporation (12/01/25)
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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. (12/22/25)
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  • Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator ( Senior -Level) to join our team at Adelphi, MD. + Must be a ... Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator ( Senior -Level) will be responsible for the installation,… more
    Link Solutions Inc (01/06/26)
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