• Physical Security System

    M. C. Dean (Chantilly, VA)
    …across high-growth markets. As a System Administrator for our Physical Security Systems , you will be responsible for monitoring, maintaining, ... electrical, engineering, and cybersecurity industries. We are seeking a ** Physical Security System Administrator...improvements + Resolve complex system issues for physical security systems + Triage… more
    M. C. Dean (10/23/25)
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  • Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Security WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a **Senior System Administrator - Network Security ** to support our… more
    St. George Tanaq Corporation (11/18/25)
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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 . * Manages escalated incidents, patch… more
    System One (12/17/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI ... 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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  • Network/ Systems Administrator 2…

    GovCIO (Washington, DC)
    …referral to this job (https://careers-govcio.icims.com/jobs/6592/network- systems - administrator -2-%28desktop-and- system ... **Overview** The System Administrator (SA) is responsible for...continuing innovation within the infrastructure. This individual ensures that system hardware, operating systems , software systems more
    GovCIO (12/05/25)
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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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  • System Operations/ Administrator

    Sciolex Corporation (Chantilly, VA)
    …Directory. Deploy software updates, patches, and security fixes to desktop systems . Conduct regular system backups and data recovery operations. Maintain and ... clearance with a Counter-Intelligence Polygraph Experience as a desktop system administrator or in a similar IT...DoD Directive 8570 Knowledge of Windows and Linux operating systems . CompTIA Security + or ability to obtain… more
    Sciolex Corporation (10/14/25)
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  • System Administrator

    Chenega Corporation (Oakton, VA)
    System Administrator Oakton, VA . Information Technology Join our Talent Network Are you ready to enhance your skills and build your career in a rapidly evolving ... IT Operations Support, Software Development, and Program Management. Job Title: System Administrator Location:Oakton, Virginia Clearance Level:Top Secret… more
    Chenega Corporation (11/12/25)
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  • 3DX System Administrator

    Aurora Flight Sciences Corporation (Manassas, VA)
    3DX System Administrator Job Code 4024 Assigned Aurora Location Manassas, VA Apply Now ... (https://phg.tbe.taleo.net/phg01/ats/careers/v2/applyRequisition?org=AURORA&cws=37&rid=4024) 3DX System Administrator Position Overview At Aurora Flight… more
    Aurora Flight Sciences Corporation (12/16/25)
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  • System Administrator

    Leidos (Bethesda, MD)
    …has an exciting opening for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under our 10-year DOMEX Technology ... and troubleshooting of Linux and Windows servers to include base configuration, security and system patching, performance monitoring, etc. + Implement and… more
    Leidos (10/01/25)
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  • System Administrator

    CACI International (Ashburn, VA)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of ... Travel: Local * * * **The Opportunity:** CACI is currently looking for a System Administrator with agile methodology experience to join our BEAGLE (Border… more
    CACI International (12/13/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... System Administrator is responsible for leading ...new project needs and risk management requirements. + Ensure systems meet ARL performance, security , and reliability… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Citrix Systems Administrator

    Leidos (Bethesda, MD)
    …architectural changes to existing, approved, systems to maintain operability and security of the environment + Implement major system upgrades as designed ... can thrive, keep reading!** Leidos is seeking a Citrix Systems Administrator to support the National Media...and problems. + Experience working as a Tier 3 system administrator : familiar with using desktop software… more
    Leidos (12/03/25)
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  • Sr. Systems Administrator

    Arena Technical Resources, LLC (Washington, DC)
    …management system (DBMS) products . Address all vulnerabilities identified via system scanning Systems Administrator Senior Advisor Requirements and ... Sr. Systems Administrator Location: Washington, DC, US...centralized identity management and multi-factor authentication . Perform regular system updates and security patches . Validate… more
    Arena Technical Resources, LLC (10/25/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …installing and configuring systems , managing user accounts, monitoring system health, implementing security protocols, performing backups and recovery, ... **Linux Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:**...user accounts, groups, and permissions, ensuring access control and security protocols are followed. * System Monitoring:… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of ... acceptable performance and user accessibility, establish back-ups, and monitor systems security . - Troubleshoot and resolve complex...5+ years of directly relevant experience as a Linux System Administrator . - 2+ years MacOS and… more
    Nightwing (11/26/25)
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  • System Administrator

    Leidos (Ashburn, VA)
    …our software development and test laboratory environments, as well as our operational production systems . The System Administrator will be expected to apply ... **Description** Leidos is seeking an experienced System Administrator to support the Alaska...deep technical expertise across Linux, Windows, networking, and system security domains. The position requires a… more
    Leidos (12/14/25)
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  • Sccm/Mecm Systems Administrator

    Leidos (Alexandria, VA)
    … will support operations across multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and ... **Description** Leidos is seeking an SCCM/MECM System Administrator to support a large...System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security + CE, GSEC, or higher) **Education** + Bachelor's degree… more
    Leidos (12/08/25)
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  • Lead Security Systems

    Lumen (Herndon, VA)
    …policies, Security script writing, Vulnerability assessment and mitigation. + Maintain systems in accordance w/ system security plans, implement new ... servers, Print servers, Backup systems , Anti Virus system + Hands on experience using information security...Voluntary Lifestyle benefits and other perks that enhance your physical , mental, emotional and financial wellbeing. We're able to… more
    Lumen (12/10/25)
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  • G2 Senior Systems Administrator

    General Dynamics Information Technology (Fairfax, VA)
    …Required:** Yes **Job Description:** Transform technology into opportunity as a **Senior Systems Administrator ** at GDIT. Shape what's next for mission-critical ... At GDIT, people are our differentiators. Our work depends on a **Senior Systems Administrator ** joining our CNIC Applications Support team which provides … more
    General Dynamics Information Technology (12/08/25)
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