• System Administrator - Active Secret…

    ENS Solutions (Norfolk, VA)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems for an ... DISA STIGs, managing Group Policy, and conducting vulnerability remediation using tools such as ACAS/Nessus. + Experience with virtualization platforms (VMware,… more
    ENS Solutions (12/27/25)
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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 a ... 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 System Administrator

    Amentum (Springfield, VA)
    …Intel space? If so, look no further. Amentum is seeking a **Senior System Administrator ** to join our team of passionate individuals in **Springfield, VA** . In this ... any combination of these * Troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve… more
    Amentum (11/20/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …**US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for ... managing file systems, monitoring performance, and troubleshooting alerts from monitoring tools . + Analyzes and resolves problems associated with the operating… more
    General Dynamics Information Technology (10/25/25)
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  • Senior Windows Administrator w/Secret…

    TekSynap (Radford, VA)
    …enhancements to the environment. + Generate utilization reports using existing tools and identify issues requiring corrective action. + Oversee lifecycle support ... **Experience** + Five (5) years as a Windows Systems Administrator or Engineer, including 3 years of task automation...IIS, Apache). + Five (5) years working in complex network environments with strong knowledge of TCP/IP, DNS, DHCP,… more
    TekSynap (10/25/25)
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  • Database Administrator - Active TS/SCI…

    ENS Solutions (Mclean, VA)
    As a highly skilled Database Administrator (DBA), you'll bring your expertise in Microsoft SQL Server and a solid understanding of Identity, Credential, and Access ... Oracle, PostgreSQL or MySQL + Experience with database monitoring tools such as Redgate SQL Monitor or SolarWinds +...HIPAA + TS/SCI clearance with a polygraph Benefits Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran… more
    ENS Solutions (10/24/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking an experienced **Systems Administrator ** to join our team in supporting mission-critical IT infrastructure. This role is ideal for ... the design, implement, and manage pipeline automation for CI/CD processes using tools like Jenkins, Ansible, or similar to streamline deployments and operations. +… more
    Leidos (01/13/26)
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  • Mainframe Security Administrator

    Cayuse Holdings (Richmond, VA)
    **Overview** **_JOB TITLE:_** Mainframe Security Administrator **_CAYUSE COMPANY:_** Cayuse Civil Services, LLC **_LOCATION_** Remote **_SALARY:_** $117,270.40- ... of releases, upgrades, or changes to z/OS operating system, network , and component software. + Provide end user support...Ability to use a computer and other office productivity tools with sufficient speed to meet the demands of… more
    Cayuse Holdings (01/15/26)
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  • Endpoint Security Engineer (Trellix…

    CACI International (Hampton, VA)
    Endpoint Security Engineer (Trellix Administrator ) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee ... the lifecycle of systems. + Knowledge of common enterprise security devices and tools . + Experience with SIEM solutions, preferably Elastic Security. + Create and… more
    CACI International (01/13/26)
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  • Associate Systems Administrator - IT Asset…

    Ferguson Enterprises, LLC. (Newport News, VA)
    …you can believe in. We are seeking a proactive and tech-savvy Associate System Administrator to join our IT team. This role focuses on supporting and managing ... within Active Directory and Microsoft 365. + Solve hardware, software, and network connectivity issues. + Monitor and respond to support tickets, ensuring timely… more
    Ferguson Enterprises, LLC. (12/18/25)
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