• 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

    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 Administrator

    Leonardo DRS, Inc. (Arlington, VA)
    …full range of capabilities, visit www.leonardodrs.com . **Job Summary** As a cleared SIPR Network and System Administrator and a member of the Corporate Risk ... ID: 113066** Leonardo DRS, Inc. is an innovative and agile provider of advanced defense technology to US national security customers and allies around the world. We… more
    Leonardo DRS, Inc. (11/05/25)
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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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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Reston, VA)
    …+ 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 (09/27/25)
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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 (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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  • Systems Administrator

    SAIC (Chantilly, VA)
    …of a small team responsible for managing all facets of a customer on-premise network in addition to managing the cybersecurity posture. This individual will ... **Description** SAIC is seeking a highly motivated Systems Administrator to join our team of professionals providing...support to USG Intelligence Community (IC) and Department of Defense (DoD) customers. We support development and delivery of… more
    SAIC (11/15/25)
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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 (11/20/25)
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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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  • Linux Systems Administrator

    Nightwing (Sterling, 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. Nightwing is seeking a qualified Linux… more
    Nightwing (11/18/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    …community, defense , civil, and commercial markets. Job Title: System Administrator Location: Sterling, VA Clearance: TS/SCI Poly **This position is CONTINGENT ... demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data… more
    Nightwing (09/26/25)
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  • Junior Systems Administrator

    SOS International LLC (Reston, VA)
    …the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested ... Overview SOSi is seeking a dedicated and technically skilled **Junior Systems Administrator ** to join our dynamic IT team supporting our government customer. This… more
    SOS International LLC (11/20/25)
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  • Lead Network Engineer

    Nightwing (Sterling, VA)
    …Cisco network hardware.** **Seven (7) years intelligence community experience as a network engineer or network administrator .** _At Nightwing, we value ... **Responsibilities:** **Assist the Systems Administrators as assigned by the Lead System Administrator .** **Assist the Lead, Network Engineer in developing and… more
    Nightwing (10/23/25)
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  • Network Engineer 3 - Washington

    M. C. Dean (District Of Columbia, DC)
    …to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries. We are seeking a ** Network Engineer 3** to join ... control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial… more
    M. C. Dean (08/27/25)
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  • Network Engineer 1 - Washington

    M. C. Dean (District Of Columbia, DC)
    …to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries. We are seeking a ** Network Engineer 1** to join ... control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial… more
    M. C. Dean (08/27/25)
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