• Infinity Systems Engineering (Alexandria, VA)
    …come 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 ... with network monitoring tools and troubleshooting methodologies. + Understanding cybersecurity principles and network security best practices. + Excellent… more
    DirectEmployers Association (09/30/25)
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  • Tyto Athene (Washington, DC)
    …to customers will be clear and provide sufficient detail for a mid-level system or network administrator to understand what has occurred and what needs to take ... (NICE) Cybersecurity Workforce Framework for the role of Cyber Defense Incident Responder **Qualifications** **Required:** + 6 years of security intrusion… more
    DirectEmployers Association (10/23/25)
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  • Cybersecurity Network Defense

    GovCIO (Washington, DC)
    …in Radford, VA and will be a remote position. **Responsibilities** The Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer ... USD $150,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6786/ cybersecurity - network - defense - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_… more
    GovCIO (09/25/25)
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  • Cybersecurity System Administrator

    M. C. Dean (District Of Columbia, DC)
    Overview MC Dean is seeking a highly skilled ** Cybersecurity System Administrator ** to support a secure operational technology environment by integrating ... advanced system administration with proactive cybersecurity operations. This dual-role position requires an individual with...ecosystem. + Operate and manage jump (bastion) hosts for network segregation and secure remote access. + Coordinate with… more
    M. C. Dean (08/27/25)
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  • Systems Administrator /Engineer…

    Shuvel Digital (Vienna, VA)
    Description: We are looking for a Mid level Systems Administrator /Engineer that can come in to take ownership of day-to-day operations. You will partner with ... deploying, configuring, managing, and maintaining technologies/infrastructure in support our Cybersecurity Operations Center (CSOC) and its associated programs. You… more
    Shuvel Digital (09/25/25)
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  • Network Administrator

    Tactibit Technologies LLC (Suitland, MD)
    …environment with a shared commitment to excellence in everything we do. About the Network Administrator position We are looking for a talented network ... Tactibit Technologies provides innovative information technology, cybersecurity , and cloud support services to the Federal... network integrations, and security hardening. As a Network Administrator , you will be expected to… more
    Tactibit Technologies LLC (09/25/25)
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  • Network Administrator

    SAIC (Washington, DC)
    …contract award, with an anticipated decision expected by Winter/ Spring 2026.** The ** Network Administrator ** responsibilities include, but are not limited to: + ... Certified Network Defender (CND) + Bachelors degree in IT, Cybersecurity , Computer Science, Information Systems, Data Science, or Software Engineering and 9… more
    SAIC (10/04/25)
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  • Windows System Administrator /Tech Support…

    Koniag Government Services (Chantilly, VA)
    …and more. **Koniag Government Services is seeking a skilled Windows Systems Administrator /Technical Support Specialist to support Department of Defense (DoD) IT ... of network configurations and troubleshooting + Experience with DoD cybersecurity requirements and STIG implementation + Knowledge of cybersecurity more
    Koniag Government Services (10/04/25)
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  • Senior System Administrator (Windows…

    Koniag Government Services (Chantilly, VA)
    …**Experience:** + 10+ years of progressive, hands-on experience in a System Administrator , Network Administrator , or similar senior-level role. **Security ... Public Law 88-352_** **Job Details** **Job Family** **IT, Cyber Security, Network Systems** **Job Function** **Systems Administrator ** **Pay Type** **Salary**… more
    Koniag Government Services (10/28/25)
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  • Cloud Systems Administrator

    Leidos (Alexandria, VA)
    …Leidos, we're not just delivering solutions - we're pioneering the future of defense and intelligence technology. Our diverse teams of innovators unite around a ... communities, and building sustainably for tomorrow. **Shape the future of digital defense .** Our Digital Modernization sector is at the forefront of next-generation… more
    Leidos (10/25/25)
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  • SharePoint Administrator Expert (SME)…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …related experience **US Citizenship Required:** Yes **Job Description:** **SharePoint Administrator Expert (SME) - TS/SCI required** Make meaningful contributions ... critical outcomes for some of the most complex government, defense , and intelligence projects. Join GDIT as a **SharePoint..., and intelligence projects. Join GDIT as a **SharePoint Administrator Expert (SME)** with for a career where your… more
    General Dynamics Information Technology (10/29/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Washington, DC)
    …+ Experience automating deployments and configuration management. + Experience as a network administrator or systems engineer. + Experience in using Active ... including day-to-day operations, monitoring, and problem resolution for all client/server/storage/ network devices, etc. Install, configure and manage operating system… more
    ENS Solutions (09/12/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data ... agility, and competitive offerings to customers in the intelligence community, defense , civil, and commercial markets. response to civilian Government agencies and… more
    Nightwing (08/28/25)
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  • Systems Administrator (Hybrid…

    Serco (Washington, DC)
    …+ Citrix Certified Associate or Professional (CCA/CCP). + AWS Certified SysOps Administrator or equivalent. + Cisco Certified Network Associate (CCNA) or ... **Position Description** Serco is seeking a skilled Systems Administrator to support the Navy-owned PMS-ES Integrated Data Environment (IDE) in Washington, DC. This… more
    Serco (10/29/25)
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  • Networking Administrator

    Link Solutions Inc (Adelphi, MD)
    …Networking Administrator position will require an understanding of enterprise network architecture, Layer 2/3 switching, routing protocols, and network ... Delivering a broad range of Infrastructure Operations, Application Development, Cybersecurity , Virtualization, Cloud and Mobility services. If you're looking for… more
    Link Solutions Inc (10/08/25)
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  • Mission Support Administrator - Full…

    Patriot Group International, Inc (Chantilly, VA)
    Mission Support Administrator - Full Performance Position Type: Full-Time, Exempt Work Location: Chantilly, VA; McLean, VA Clearance: TS/SCI with polygraph Shift: ... operations and intelligence perspective. We are looking to hire a Mission Support Administrator - Full Performance to join our team in the Northern Virginia area,… more
    Patriot Group International, Inc (10/21/25)
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  • Senior IT Administrator and Action Officer

    CACI International (Alexandria, VA)
    Senior IT Administrator and Action Officer Job Category: Consulting Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... Type of Travel: Continental US * * * **The Opportunity:** The Department of Defense (DoD) Chief Information Office (CIO) is searching for a Policy Analyst with… more
    CACI International (09/25/25)
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  • System Administrator

    Parsons Corporation (Centreville, VA)
    …world. By combining unique technologies with deep domain expertise across cybersecurity , missile defense , space, connected infrastructure, transportation, smart ... servers, ensuring optimal performance, security, and availability. + Administer Cisco network devices, including routers, switches, and firewalls, to ensure secure… more
    Parsons Corporation (09/04/25)
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  • Windows System Administrator (Senior-Level)

    Link Solutions Inc (Adelphi, MD)
    …Delivering a broad range of Infrastructure Operations, Application Development, Cybersecurity , Virtualization, Cloud and Mobility services. If you're looking for ... for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our team at Adelphi, MD. + Must be a US… more
    Link Solutions Inc (10/08/25)
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  • NCIS SharePoint Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …Yes **Job Description:** Transform technology into opportunity as a **SharePoint Administrator ** at GDIT. Shape what's next for mission-critical government projects ... States Navy and Marine Corps. **MEANINGFUL WORK AND PERSONAL IMPACT** As a **SharePoint Administrator ** , the work you'll do at GDIT will be impactful to the mission… more
    General Dynamics Information Technology (10/04/25)
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