• MCL Systems Limited (Manassas, VA)
    System, Network, and Database Administrator Our Company MCL Systems Limited ( MCL ), is a Software development firm in the arena of telecom Billing and Operational ... database infrastructure. Our infrastructure is a multi-site network cluster of Windows , Linux servers, SQL Server databases, and other supporting network hardware… more
    job goal (12/22/25)
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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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  • 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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  • 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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  • Windows Systems Adminsitrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a skilled and motivated ** Windows Systems Administrator ** to join our team of top Information Technology and Analytic professionals in ... will play a vital role in maintaining and enhancing the Sponsor's Windows environment, contributing to national security through technical excellence. This dynamic… more
    ManTech (12/03/25)
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  • Cyber operations Readiness Assessment Systems…

    TekSynap (Fort Belvoir, VA)
    …CISSP, CCNP Security, or equivalent). + Desired Certifications: Microsoft Certified: Windows Server Hybrid Administrator Associate, VMware VCP, Nutanix NCP. ... **Responsibilities & Qualifications** **Responsibilities** + Review Windows Server configurations, GPOs, and domain controllers for STIG compliance. + Assess… more
    TekSynap (12/24/25)
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  • SharePoint Administrator Expert (SME)…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Certification Security+ or equivalent + Required Computing Environment Certification: MCSA Windows Server 2019, Azure Administrator Fundamentals, or equivalent + ... related experience **US Citizenship Required:** Yes **Job Description:** **SharePoint Administrator Expert (SME) - TS/SCI required** Make meaningful contributions… more
    General Dynamics Information Technology (10/29/25)
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  • Mid System Administrator

    Parsons Corporation (Quantico, VA)
    …CKA - Confirms ability to install, configure, and manage Kubernetes clusters. + Azure Administrator Associate or MCSE: Windows Server - Credential for managing ... **Job Description:** Parsons is looking for an amazingly talented **Mid System Administrator ** to join our team! **What You'll Be Doing:** + Maintains smooth… more
    Parsons Corporation (11/15/25)
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  • Principal Systems Administrator 4 (Unix…

    Oracle (Washington, DC)
    …teams. **Requirements:** + Seeking over 10+ years of experience working with Windows , Unix/Linux Servers and system administration + Must have background in Cyber ... + Ability to understand, debug scripts such as Unix shell scripts, Windows PowerShell, Perl and Python from a system administration support perspective +… more
    Oracle (12/22/25)
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  • Principal Systems Engineer

    V2X (Springfield, VA)
    …Productivity and Global Information Assurance Certification (GIAC) GIAC Certified Windows Security Administrator (GCWN) certified. + Technical certifications ... Exchange, Internet Information Services (IIS), SharePoint, Skype for Business, SQL Server, Windows , Windows and Server. + Demonstrated experience in leveraging… more
    V2X (11/25/25)
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  • Dev Sec Ops Engineer

    Lockheed Martin (Herndon, VA)
    …the World \- Experience with Chef, Ansible, Gitlab or Docker \- Windows systems administrator experience **Security Clearance Statement:** This position requires ... and applications: \-\- Red Hat Linux \-\- AWS \- Prior Linux systems administrator experience \- Prior experience working within SAFe or other Agile Release Trains… more
    Lockheed Martin (12/06/25)
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  • System Engineer (TS/SCI)- Senior or Mid Level

    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 the ... (NMEC). This role requires an individual with subject matter expertise administering Windows servers within a physical and virtual environment. This role is… more
    Vexterra Group (10/14/25)
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  • Network Engineer 4

    M. C. Dean (Springfield, VA)
    …Wireshark, Putty, CLI, etc) + ITIL 4 Foundation + Microsoft Certified: Windows Server Hybrid Administrator Associate + Microsoft Certified: Azure Database ... Administrator Associate + Microsoft 365 Certified: Fundamentals + VMware Certified Technical Associate + CompTIA Security+ CompTIA Network+ CompTIA A+ Cisco Certified Network Professional (CCNP) + Cisco Certified Network Associate (CCNA) + Certified Cloud… more
    M. C. Dean (10/10/25)
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  • Identity and Access Management Senior Principal…

    General Dynamics Information Technology (Washington, DC)
    …of security protocols and standards. . Relevant certifications (eg, Azure/AWS Administrator , Windows Server Hybrid Administrator , MCSE). REQUIRED ... . Clearance Level Must Currently Possess: Top Secret and SCI eligible . Location: Onsite . Required: US Citizenship . Required: DoD 8140 IAT II compliant GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we… more
    General Dynamics Information Technology (11/01/25)
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  • Citrix App and Desktop Virtualization Engineer

    BAE Systems (Herndon, VA)
    …Experience in: + Nutanix + Scripting Skills (such as PowerShell) + GPO Administrator + Windows Operating System 11 **Pay Information** Full-Time Salary Range: ... and Desktop Virtualization Experience + General Virtualization Concept Experience + Windows Operating System Experience + Experience with citric virtual applications… more
    BAE Systems (12/10/25)
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  • Systems Administrator

    General Dynamics Information Technology (Sterling, VA)
    …and Operations **Skills:** Information Technology (IT) Systems,Linux,Microsoft Windows ,Operating Systems (OS),Software Updates **Experience:** 5 + years ... of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate while you advance your… more
    General Dynamics Information Technology (12/18/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... with Polygraph Timeline Pipeline Description Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in Chantilly,… more
    Assertive Professionals (10/09/25)
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  • Systems Administrator (Day Shift)

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Infrastructure and Operations **Skills:** System Administration,Unix System Administration, Windows System Administration **Certifications:** CompTIA Security+ CE | ... Required:** Yes **Job Description:** Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and… more
    General Dynamics Information Technology (12/18/25)
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