• 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 (Reston, VA)
    Administrator ** to work as part of an integrated team including cybersecurity specialists, network engineers, service desk analysts, and other personnel. ... that drives measurable success. Our expertise spans four core technology domains- Network Modernization, Hybrid Cloud, Cybersecurity , and Enterprise IT-empowering… more
    DirectEmployers Association (09/12/25)
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  • Tyto Athene (Fort Belvoir, VA)
    …that drives measurable success. Our expertise spans four core technology domains- Network Modernization, Hybrid Cloud, Cybersecurity , and Enterprise IT-empowering ... a **Security Operations Center Analyst** to support the customer Enterprise Cybersecurity Operations Support Team responsible for protecting the information and… more
    DirectEmployers Association (09/12/25)
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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

    Nightwing (Sterling, VA)
    …intelligence community, defense , civil, and commercial markets. Job Title: Network Administrator Location: Sterling, VA Clearance: TS/SCI Poly **This ... position is CONTINGENT upon contract award** The Network Administrator (NA) collaboratively works closely with the leadership, CPM/CPO, FE SRE and Product Team… more
    Nightwing (09/26/25)
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  • Network & Computer Systems…

    KBR (Lexington Park, MD)
    Title: Network & Computer Systems Administrator KBR's Mission Engineering Division delivers complex technical solutions and expert support to the US Department ... expertise to the next level? KBR is seeking a Network and Computer Systems Administrator with an...is a highly technical, customer-facing role where you'll lead network design, implement cybersecurity standards, troubleshoot issues,… more
    KBR (10/11/25)
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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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  • Systems Administrator 2

    Nightwing (Annapolis Junction, MD)
    …vulnerabilities, characterization, information assurance, and emerging technologies to expand cybersecurity solutions. Job Description: The Systems Administrator ... demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data… more
    Nightwing (10/13/25)
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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 (10/07/25)
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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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  • Cloud Solution Architect - Cybersecurity

    Microsoft Corporation (Washington, DC)
    … (MS-500), Azure Security Engineer Associate (AZ-500), Microsoft Cybersecurity Architect (SC-100), Security Operations Analyst Associate (SC-200), Identity ... Microsoft continues to invest over $20B over the next 5 years in cybersecurity , including providing our customers with services and solutions that integrate across… more
    Microsoft Corporation (10/13/25)
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  • Systems Administrator 3

    Nightwing (Annapolis Junction, MD)
    …agility, and competitive offerings to customers in the intelligence community, defense , civil, and commercial markets. The Systems Administrator will ... demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data… more
    Nightwing (09/22/25)
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  • Tanium Administrator Information Technology…

    General Dynamics Information Technology (Fairfax, VA)
    …**Job Family:** Cyber and IT Risk Management **Skills:** Linux,Tanium Platform,Windows Network Administration **Experience:** 8 + years of related experience **Job ... Seize your opportunity to make a personal impact as a **Tanium Administrator , Information Technology (IT) Asset Visibility and Security Engineer** supporting the… more
    General Dynamics Information Technology (10/09/25)
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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …Description** BAE Systems, a top-ten prime contractor to the US Department of Defense , enables the US government to transform data into intelligence and provides ... & Security provides services and products to the Department of Defense , the intelligence community, federal law enforcement officials, and troops deployed… more
    BAE Systems (10/08/25)
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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 (IT Program Services)

    Nightwing (Annapolis Junction, MD)
    …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. Nightwing is seeking an experienced Linux… more
    Nightwing (09/22/25)
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