• Washington Metropolitan Area Transit Authority (Washington, DC)
    …role in ensuring secure, reliable, and compliant system configurations for all Windows operating systems and endpoint devices. The position is central to ... to Windows desktop computers, servers and end-user devices. The System Configuration Management Administrator diagnoses and corrects performance problems.… more
    DirectEmployers Association (12/04/25)
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  • Dentons US LLP (Washington, DC)
    Senior Enterprise Messaging Administrator Chicago, IL, USSt. Louis, MO, USKansas City, MO, USWashington DC, DC, USDenver, CO, USAtlanta, GA, USDallas, TX, US Dec 12, ... 2025 **Senior Enterprise Messaging Administrator ** Dentons US LLP is currently recruiting for a Senior Enterprise Messaging Administrator . This position will… more
    DirectEmployers Association (12/13/25)
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  • 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 ... secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms...experience is a plus) + Proficient in Linux and Windows system administration + Active CompTIA Security+… more
    DirectEmployers Association (11/25/25)
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  • Windows Administrator

    GovCIO (Washington, DC)
    …date. + Experience in Computer Science or IT. + 5+ years' experience as a Windows Systems Administrator or Engineerwith 3+ years' experience in automating ... remote position. **Responsibilities** This position is for a Senior Systems Administrator supporting the Windows ...environment. This position will plan, execute, and implement new system HW and SW and create and maintain team… more
    GovCIO (09/24/25)
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  • Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    …and appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our team at Adelphi, ... an active DoD Top Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator (Senior-Level) will be responsible for the… more
    Link Solutions Inc (10/08/25)
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  • Senior Windows Systems

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    …Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows Systems Administrator leads complex system administration and endpoint ... Senior Windows Systems Administrator Clearance...aligning technology with organizational goals. Key Responsibilities: + Lead system administration activities across ARLEN and CARLEN networks. +… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Windows System Administrator

    ManTech (Laurel, MD)
    …vendors to deliver select EIT. MANTECH is seeking a motivated, career and customer-oriented ** Windows ** ** System Administrator ** to join our team in Laurel, ... the DoD Certification/ Accreditation process + Ability to install Windows software and hardware applications; upgrade systems ...for a degree + 15+ years' experience as a Systems Administrator in programs and contracts of… more
    ManTech (12/17/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active ... ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall support the Information Technology (IT) Operations… more
    V2X (11/15/25)
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  • Window System Administrator

    ManTech (College Park, MD)
    **MANTECH** seeks a motivated, career and customer-oriented ** Windows ** ** Systems Administrator ** to join our team in **College Park, Maryland** . The ... position is part of a team that provides Windows Systems Administration support for an organization...and performance enhancements. **Minimum Qualifications:** + 8+ years of System Administration experience + Proficiency in Windows more
    ManTech (10/14/25)
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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 Description ... visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a **Senior System Administrator - Network Operation Center** to support our… more
    St. George Tanaq Corporation (11/14/25)
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  • SharePoint Administrator Expert (SME)…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …processes and systems + Writes and updates project documentation including system procedures, presentations, and training materials + May serve as technical team ... Certification Security+ or equivalent + Required Computing Environment Certification: MCSA Windows Server 2019, Azure Administrator Fundamentals, or equivalent +… more
    General Dynamics Information Technology (10/29/25)
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  • Principal Systems Administrator 4…

    Oracle (Washington, DC)
    …teams. **Requirements:** + Seeking over 10+ years of experience working with Windows , Unix/Linux Servers and system administration + Must have background ... looking for someone who flourishes working in large-scale, distributed systems and is always looking to identify and implement...to understand, debug scripts such as Unix shell scripts, Windows PowerShell, Perl and Python from a system more
    Oracle (11/25/25)
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  • Principal Systems Engineer - active TS/SCI…

    V2X (Suitland, MD)
    …requirements engineering and management, testing and evaluation, and other Systems Engineering (SE) disciplines for successful system /solution development, ... and overall areas for improvement. Identify issues affecting end-to-end performance of systems , provide engineering support to system testing and modeling… more
    V2X (11/15/25)
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  • System Engineer (TS/SCI)- Senior or Mid…

    Vexterra Group (Bethesda, MD)
    Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support ... + Experience with hardening Windows environments + Significant experience with system administration of server operating systems such as Microsoft Server… more
    Vexterra Group (10/14/25)
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  • Support the Army Research Laboratory (ARL)…

    SAIC (Adelphi, MD)
    …This position is your opportunity to utilize your skills and background as a Windows Systems Administrator and deliver support to the warfighting mission ... include:** + Audio Visual Technicians + Network Engineers + Network Technicians + System Administrators ( Windows , Linux, Mac OS) + Service Desk Support… more
    SAIC (11/06/25)
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  • System Administrator

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an on-site System Administrator at Washington Navy Yard supporting our work as a prime contractor on a ... the successful candidate to possess and demonstrate. As a System Administrator you will work with a...system deployments + Support the configuration management of systems + Harden Windows /RHEL Servers in accordance… more
    BAE Systems (11/15/25)
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  • System Administrator (Citrix)

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an experienced full-time on-site System Administrator to support our work as a prime contractor on a high-profile ... the customer and IT infrastructure teams. As an on-site System Administrator , you will: + Capture, document,...+ Proficiency with Windows Server (2016/2019/2022) and Windows 11 operating systems . + Strong working… more
    BAE Systems (12/04/25)
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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 ....with the following IT disciplines: + Security configuration of Windows Server/ Windows 10 + Microsoft SCCM or… more
    System One (12/18/25)
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  • System Administrator

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an experienced full-time on-site System Administrator to support our work as a prime contractor on a high-profile ... close collaboration with customers and IT infrastructure teams. As an on-site System Administrator , you will: + Capture, document, and structure stakeholder… more
    BAE Systems (12/13/25)
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  • System Administrator

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an on-site ** System Administrator ** to support our work as a prime contractor on a high-profile US Navy weapon ... be responsible forsupporting the customer s digital engineering environment as the primary System Administrator for a classified network. In this role you will… more
    BAE Systems (12/04/25)
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