• 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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  • 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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  • 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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  • 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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  • Senior Systems Administrator (Unix/Linux)

    EPS Corporation (Dahlgren, VA)
    Senior Systems Administrator (Unix/Linux) - (758) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems Administrator (Unix/Linux) ... Job Description EPS Corporation is seeking a highly skilledSenior Systems Administrator (Unix/Linux)to support enterprise-level networks and systems within a secure… more
    EPS Corporation (11/13/25)
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  • System Administrator

    UIC Government Services and the Bowhead Family of Companies (Quantico, VA)
    **Overview** Bowhead seeks a System Administrator to join our team supporting NIWC Atlantic. The System Administrator will work directly with the client ... support assignments and collaborate with software engineers, hardware engineers, cybersecurity personnel, and program analysts within a scaled agile environment.… more
    UIC Government Services and the Bowhead Family of Companies (11/09/25)
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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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  • 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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  • VTC Administrator

    TekSynap (Fort Belvoir, VA)
    …(CCST) Cybersecurity **Overview** We are seeking a skilled VTC Administrator to support enterprise-wide audio/visual and video teleconferencing systems for the ... maintain a wide range of AV/VTC equipment, including CODECs, network connections, controllers, audio/video interfaces, Cable TV, CCTV, and...Defense Logistics Agency (DLA) in **Fort Belvoir, VA** .… more
    TekSynap (10/03/25)
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  • EGIS System Administrator

    Intelligent Waves (Fort Belvoir, VA)
    …and innovation to the Government through high-impact technology solutions in cybersecurity , data science, enterprise network & systems engineering, software ... **Overview** Intelligent Waves is seeking an **EGIS System Administrator ** to support the development and administration of...have proudly served federal agencies including the Department of Defense . Our ability to operate globally in a wide… more
    Intelligent Waves (09/18/25)
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  • Sr. Systems Administrator

    Integration Innovation, Inc. (i3) (Washington, DC)
    Overview i3 has an exciting opportunity for a Sr Systems Administrator to support the Naval Research Laboratory, Tactical Electronic Warfare Division. The TEWD's ... to manage and respond to end user requests Experience installing and maintaining network hardware and software. Desired: + Eight (8) years of experience. +… more
    Integration Innovation, Inc. (i3) (11/08/25)
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  • RPA Developer and Administrator

    SAIC (Washington, DC)
    …to optimizing workflows and scaling automation solutions. + Familiarity with cybersecurity -related data (eg, CVEs, security risks, network traffic, ... **Description** SAIC is seeking an **RPA Developer & Orchestrator Administrator ** with strong technical expertise and leadership experience to design, manage, and… more
    SAIC (10/21/25)
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