• Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... including network infrastructure management (switch deployment & configuration) and system administration in a classified environment. The ideal candidate will… more
    DirectEmployers Association (11/25/25)
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  • Red River (Chantilly, VA)
    …and resolving technical issues on end-user laptops, including both Windows and macOS systems , with a solid understanding of operating system behavior, user ... you seek to make those around you successful. We are looking for a ** Systems Support Engineer I** to join our fast-paced, customer-first global service desk team.… more
    DirectEmployers Association (11/26/25)
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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 ... subversive activities. **MEANINGFUL WORK AND PERSONAL IMPACT** As a ** Senior VMWare Administrator ,** the work you'll do...+ **Required Experience:** + 8+ years of experience with systems administration + DoD system accreditation process… more
    General Dynamics Information Technology (10/08/25)
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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 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 Systems Administrator

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

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented ** Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... as leading, mentoring, and coordinating with a team of System Administrators. You will play a key role in...or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a… more
    ManTech (12/19/25)
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  • Senior Linux Administrator

    Leidos (Fort Belvoir, VA)
    …+ IAT II (8570) Certification + Red Hat Certification - Red Hat Certified System Administrator (RHCSA) (Preferred) Come break things (in a good way). Then ... **Description** The DTRA program at Leidos is seeking a ** Senior Linux Administrator ** in **Fort Belvoir, VA**...expected work well as a part of the DTRA Systems Administration team using ITIL best practices as well… more
    Leidos (12/30/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team of passionate individuals in ... new and existing systems including the transition and migration of corporate systems * Monitor and report on system health using various dashboarding tools… more
    Amentum (11/20/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers ... day-to-day operational maintenance, support, and upgrades for complex operating systems , workstations and servers. Coordinates, directs and performs complex software… more
    SAIC (11/19/25)
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  • Senior System Administrator

    SimIS Inc. (Dahlgren, VA)
    …team), and importance of others (work and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to ... system experience in one or more of the following disciplines: combat systems design/engineering, combat system computer program development, combat system more
    SimIS Inc. (11/06/25)
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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 ... ensuring the continued health, performance, and compliance of complex network and system infrastructures. You will help drive key Operations and Maintenance (O&M)… more
    ManTech (12/13/25)
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  • Network Administrator Senior

    GovCIO (Alexandria, VA)
    **Overview** GovCIO is currently hiring a ** Senior Network Administrator ** to manage secure network operations in support of the US Coast Guard. This hybrid role ... $126,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7300/network- administrator - senior /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Alexandria_ **ID** _2025-7300_ **Category**… more
    GovCIO (12/24/25)
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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 ... your technical expertise along with a drive for innovation to GDIT. The Senior Tier III Administrator must have:** **Education:** **Bachelor's Degree in Computer… more
    General Dynamics Information Technology (12/11/25)
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  • Senior IT Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad range of service requests to… more
    ManTech (12/03/25)
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  • Senior Contract Support…

    KBR (Chantilly, VA)
    Title: Senior Contract Support Administrator Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense.… more
    KBR (10/15/25)
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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 (4411)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated … more
    SMX (12/04/25)
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  • Cleared Senior Microsoft Azure Enclave…

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Microsoft Azure Enclave Administrator * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you a skilled cloud professional ... expertise in Microsoft Azure and secure enclave environments? Join our team as a Senior Microsoft Azure Enclave Administrator and play a critical role in… more
    Virtual Service Operations (10/31/25)
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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 ... administer the Microsoft SQL Server production and databases and perform Windows system administration in support of the SQL Database environment. TheSenior SQL… more
    Chenega Corporation (12/01/25)
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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...via an LDAP interface to hundreds of various Sponsor systems Required Qualifications + Active TS/SCI with Polygraph +… more
    Leidos (10/10/25)
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