• System Administrator

    Koniag Government Services (Winchester, VA)
    Arlluk Technology Solutions, a Koniag Government Services company **,** is seeking a System Administrator with a Top - Secret Security clearance to support ATS ... conceptualizing processes **Security Clearance Requirements:** + Ability to obtain a Top - Secret w/SCI Eligibility **Our Equal Employment Opportunity Policy** The… more
    Koniag Government Services (09/15/25)
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  • Senior Linux Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become part of ... to drive impactful solutions in support of critical government missions. As a ** Senior Linux Systems Administrator ,** you will help maintain and enhance the… more
    ManTech (08/30/25)
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  • Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Systems Administrator ** **Category:** Business Consulting, Strategy and Digital Transformation **Main location:** United States, Virginia, Arlington **Position ... CGI Federal has an exciting opportunity for a Systems Administrator within our Intel sector advancing the national security...2 to 5 years of experience * Security Clearance: TS /SCI required with the ability to obtain a … more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a ** Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This ... STIG guidance to support ATO sustainment efforts + Troubleshoot and resolve network , automation pipelines, and infrastructure issues + Cloud VPC, Compute Services,… more
    Leidos (07/29/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include ... and server issues and with installing and configuring physical equipment. + Network & Software Management: Ability to provide technical support in the management… more
    ManTech (08/20/25)
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  • Print System Administrator

    SAIC (Quantico, VA)
    …relevant experience may be considered in lieu of a degree. + US Citizen and Active Top Secret clearance with SCI eligibility. + IAT Level II Certification in one ... **Description** SAIC is seeking a Printer/System Administrator for a full-time/onsite role in Quantico, VA....Setting up and managing print servers and ensuring proper network connectivity; 3) configuring and maintaining printer drivers and… more
    SAIC (09/19/25)
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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 ... for itself within the Defense Contracting community taking 15th place in America's Top 100 Small Business Visionaries for the 2018 Best of Small Business Awards,… more
    Assertive Professionals (10/09/25)
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  • Firewall Administrator

    Chenega Corporation (Arlington, VA)
    **Req ID:** 37933 **Summary** **Firewall Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving business ... technology and take your career to the next level! The **Firewall Administrator ** is responsible for designing, implementing, and maintaining secure network … more
    Chenega Corporation (10/03/25)
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  • Senior AV Programmer

    Intrepid Solutions and Services (Ashburn, VA)
    …customer facilities located within NCR. **Qualifications** **CLEARANCE:** + Active and current Top Secret ( TS )/SCI upon application, required. The selected ... **Overview** Intrepid Solutions is seeking a ** Senior A/V Programmer** to join our growing team...(desired) + Certified Technology Specialist-Designer (CTS-D) (desired) + Cisco Network Administrator (CNA), or equivalent (desired) +… more
    Intrepid Solutions and Services (07/16/25)
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  • DTRA 196/197 - NOSC Engineer, Senior

    TEKsystems (Reston, VA)
    …as we have both shifts open. The candidate will obtain and maintain System Administrator and\or Network Administrator II functions and services in support ... Description Leidos is seeking a Network /System Technician to support monitoring large-scale operations on...of the agency and customers on Unclassified, Secret , and Top Secret networks.… more
    TEKsystems (10/03/25)
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