• Washington Metropolitan Area Transit Authority (Washington, DC)
    System Configuration Mgmt. Administrator Job ID: 251075 Location: DC/MD/VA Metro Locations Full/Part Time: Full-Time Posting Open-Close 12/03/2025 - 12/17/2025 Union ... Transit Authority (WMATA) is seeking a System Configuration Management Administrator to support enterprise-wide desktop, server, and endpoint configuration… 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...troubleshooting Outlook email clients. + In-depth understanding of Microsoft Windows Server environments, including 2016, 2019, and 2022. +… more
    DirectEmployers Association (12/13/25)
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  • Tyto Athene (Ashburn, VA)
    …+ Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems administration. ... systems. + Administer and optimize enterprise IT applications and systems in Windows and Linux environments. + This role ensures that all systems, applications,… more
    DirectEmployers Association (11/01/25)
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  • Tyto Athene (Reston, VA)
    …both defensive and mission cyber considerations + Serve as Technical Lead and administrator for TALON Data Center and TALON lab IT infrastructure + Maintain data ... **Required:** 10+ years of experience with: **Core infrastructure operations:** Windows /Linux, virtualization, storage, backups, and disaster recovery-standardized via infrastructure-as-code… more
    DirectEmployers Association (12/13/25)
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  • Red River (Chantilly, VA)
    …experience diagnosing and resolving technical issues on end-user laptops, including both Windows and macOS systems, with a solid understanding of operating system ... Fundamentals (AZ-900), CompTIA A+, CompTIA Cloud+, Microsoft 365 Endpoint Administrator Associate (MD-102) **Knowledge** **,** **Skills** **and Abilities** **:** +… more
    DirectEmployers Association (11/26/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …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 broad scope ... troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security, troubleshooting, management). + Maintain… more
    DirectEmployers Association (11/25/25)
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  • Windows Administrator

    GovCIO (Washington, DC)
    **Overview** GovCIO is currently hiring for a Windows Administrator , tocreate and maintain team technical instructions, operating procedures and policies as ... position. **Responsibilities** This position is for a Senior Systems Administrator supporting the Windows team. This is currently a mixed and growing environment… more
    GovCIO (12/24/25)
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  • Linux/ Windows Systems Administrator

    COMSO, Inc (Columbia, MD)
    Linux/ Windows Systems Administrator II (TS/SCI w/ Polygraph) Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time Description ... Baltimore Sun Media Group. Currently, we are seeking aSystems Administrator IIto join our Team! ** Must have active...Level II Certification, IA Baseline Certification in Linux, Unix, Windows , or Cisco OS operating system + One (1)… more
    COMSO, Inc (11/27/25)
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  • Lead Windows Systems Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** Lead Windows Systems Administrator (SME) We are seeking an accomplished Lead ... Windows Systems Administrator to oversee the design, operations, and maintenance of a mission-critical Windows infrastructure that supports analysts and… more
    General Dynamics Information Technology (12/29/25)
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  • Windows Systems Administrator

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    Windows Systems Administrator Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) *ACS Description Athenix Solutions Group is ... looking for multiple Windows Systems Administrators for a large program in the...TS/SCI with polygraph clearance to start.** Level 0 System Administrator (SA) shall possess the following capabilities: + No… more
    Athenix Solutions Group, LLC (11/07/25)
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  • Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    …appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our team at Adelphi, MD. + ... 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 Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows Systems ... management of enterprise systems, storage, patching, and endpoint solutions across Windows platforms. The role ensures the performance, reliability, and security of… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Windows System Administrator 2

    Synergy ECP (Annapolis Junction, MD)
    Windows System Administrator 2 Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) Description Synergy is seeking aWindows System ... service levels and objectives are met. The job duties of the Windows System Administrator are as follows: + Administrating day-to-day IT systems to include… more
    Synergy ECP (11/06/25)
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  • (Mid. or Senior) Networking Systems…

    Belay Technologies (Annapolis Junction, MD)
    …2020 and a finalist in 2021! Belay Technologies is seeking a Network Systems Administrator ( Windows ) to join our team. The selected individual will be ... (6) years, No CCAs + Must have experience installing, updating, and upgrading Windows Desktop and Server Operating Systems (OS). + Must have experience installing,… more
    Belay Technologies (12/31/25)
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  • Systems Administrator II Generalist Sr…

    V2X (Springfield, VA)
    …integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI clearance ... desired to be Global Information Assurance Certification (GIAC) or GIAC Certified Windows Security Administrator (GCWN) certified. + Strongly desired to be… more
    V2X (11/15/25)
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  • Windows System Administrator 1

    M. C. Dean (Falls Church, VA)
    …lives, and changing the world for the better. We are seeking a **System Administrator 1** to join our **Security and Electronic Systems (SES)** business Unit. As ... and reviewing system logs. + Support configuration and management of Windows operating systems and install/load operating system software. + Support desktop… more
    M. C. Dean (12/23/25)
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  • Windows System Administrator 2

    M. C. Dean (Falls Church, VA)
    …lives, and changing the world for the better. We are seeking a **System Administrator 1** to join our **Security and Electronic Systems (SES)** business Unit. As ... a High School Diploma **Required Progressive Experience:** + Requires system administrator experience in performing triage on system problems, resolving the system.… more
    M. C. Dean (12/23/25)
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  • Windows System Administrator

    V2X (Mclean, VA)
    **Description** **Responsibilities:** + Sustain and improve the organization's Windows infrastructure as part of a collaborative systems team. Your focus will span ... teams including application development and networking + Build and harden Windows servers, establish and manage configuration baselines + Plan, test, install,… more
    V2X (12/30/25)
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  • Senior Linux Systems Administrator

    Leidos (Arlington, VA)
    …Systems Security Certified Practitioner (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + ... our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and maintaining robust and… more
    Leidos (12/20/25)
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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 that is tasked with researching challenging problems within the… more
    ManTech (10/14/25)
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