• Lead Security Systems

    Lumen (Herndon, VA)
    Security script writing, Vulnerability assessment and mitigation. + Maintain systems in accordance w/ system security plans, implement new requirements ... future. **The Role** This unique position requires technical information systems skills / system administrative as well as ability...as needed and be part of the overall company security team as well. Current TS/SCI clearance a must.… more
    Lumen (10/29/25)
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  • Systems Administrator (SME)

    BAE Systems (Herndon, VA)
    …to improve our future and protect our freedom. We are seeking an experienced Systems Administrator SME to join our technology-based program supporting a key ... lead the world in defense technologies and national security services. We offer flexible work environment to support...government customer. As a Systems Administrator SME, you will play a… more
    BAE Systems (09/12/25)
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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system maintenance, ... lead the world in defense technologies and national security services. Be a part of a company that...be available based on position level and/or job specifics. ** Systems Administrator ** **117073BR** EEO Career Site Equal… more
    BAE Systems (10/08/25)
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  • Systems Administrator (SME)

    BAE Systems (Herndon, VA)
    systems , as well as technical assistance to computer system users. As a Systems Administrator SME, you will play a critical role in delivering engineering ... lead the world in defense technologies and national security services. We offer flexible work environment to support...be available based on position level and/or job specifics. ** Systems Administrator (SME)** **116021BR** EEO Career Site… more
    BAE Systems (09/12/25)
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  • Lead IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Lead IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad...Information Technology. + Current DoD 8570 IAT II certification ( Security +, SSCP, or equivalent) or ability to obtain one… more
    ManTech (08/20/25)
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  • Physical Security System…

    M. C. Dean (Chantilly, VA)
    … for federal, local and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you will be responsible ... System Administrator 4** to join our ** Security and Electronic Systems (SES)** business Unit....of agility, expertise, and trust. + An opportunity to lead and build a business with the support of… more
    M. C. Dean (10/23/25)
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  • Cloud Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** CLOUD SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Cloud Systems Administrator to support our customer on the Nautical contract in the ... and maintain backup, disaster recovery, and business continuity procedures for mission-critical systems + Collaborate with security teams to ensure compliance… more
    UIC Government Services and the Bowhead Family of Companies (10/31/25)
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  • Cyber Security Administrator III

    Virtual Service Operations (Arlington, VA)
    Cyber Security Administrator III * Arlington, VA (http://maps.google.com/maps?q=Arlington+VA+USA) Description Are you looking to take the next steps in your ... career as a Cyber Security Administrator III? Let's chat and see...a talented individual with an active TS/SCI clearance to lead implementation and management of operating systems more
    Virtual Service Operations (09/11/25)
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  • Endpoint Security as a Service (ESS)…

    Leidos (Washington, DC)
    **Description** **Leidos is seeking a skilled and driven Endpoint Security as a Service (ESS) Engineer and Administrator to join our team at the Washington Navy ... mission.** **What You'll Do** As an ESS Engineer and Administrator , you won't just maintain systems -...systems . + Conducting threat analysis and crafting custom security rules tailored to advanced exploits and vulnerabilities. +… more
    Leidos (10/03/25)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …analysts and business continuity of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux ... for acceptable performance and user accessibility, establish back-ups, and monitor systems security . - Troubleshoot and resolve complex storage problems across… more
    BCMC (10/16/25)
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  • Systems Administrator (Tier 2…

    Chenega Corporation (Washington, DC)
    Systems Administrator (Tier 2 Support - ServiceNow) Washington, DC Join our Talent Network Systems Administrator (Tier 2 Support - ServiceNow) ... level! Chenega Agile Realtime Solutions (CARS) is seeking a Systems Administrator (Tier 2 Support - ServiceNow)...updates, patches, and maintenance while ensuring compliance with IT security policies. + Provide user training and support on… more
    Chenega Corporation (09/12/25)
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  • Senior Windows Systems Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows Systems ... within the environment. This role covers the management of enterprise systems , storage, patching, and endpoint solutions across Windows platforms. The role… more
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …requirements and timelines, and working closely with service owners. + Perform systems security administration functions, including creation and maintenance of ... IT Infrastructure and Operations **Skills:** Critical Systems ,Enterprise Systems ,Software Updates,System Administration,Technical Issues **Certifications:** CompTIA Security +… more
    General Dynamics Information Technology (10/25/25)
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  • Database Administrator (Senior)

    BAE Systems (Sterling, VA)
    …provides engineering, integration and sustainment support for critical military platforms and systems . Intelligence & Security provides services and products to ... **Job Description** BAE Systems , a top-ten prime contractor to the US...lead the world in defense technologies and national security services. We offer flexible work environment to support… more
    BAE Systems (10/29/25)
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  • Systems Administrator

    ARAMARK (Rockville, MD)
    **Job Description** The Systems Administrator provides support at all levels of the IT organization and works to ensure functionality and reliability of all ... week onsite. Position Reports to Senior Manager, Network & Systems Operations **Job Responsibilities** **Primary Responsibilities** + Act as...point of contact between our team and corporate IT security staff; team lead for security more
    ARAMARK (09/24/25)
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  • System Administrator 2

    M. C. Dean (District Of Columbia, DC)
    …configuring, troubleshooting, and ensuring the reliability, security , and performance of systems and services. The Systems Administrator will collaborate ... engineering, and cybersecurity industries. Responsibilities **Job Duties and Responsibilities:** The Systems Administrator 2 is responsible for the day-to-day… more
    M. C. Dean (08/27/25)
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  • System Administrator 4

    M. C. Dean (District Of Columbia, DC)
    …and other Integrated Electronic Security Systems . A Systems Administrator 4 position is a SME/team lead position. Your role is pivotal to ... electrical, engineering, and cybersecurity industries. Responsibilities As a System Administrator for our Physical Security Systems...of agility, expertise, and trust. + An opportunity to lead and build a business with the support of… more
    M. C. Dean (09/26/25)
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  • Senior System Administrator (Windows…

    Koniag Government Services (Chantilly, VA)
    …Law 88-352_** **Job Details** **Job Family** **IT, Cyber Security , Network Systems ** **Job Function** ** Systems Administrator ** **Pay Type** **Salary** ... Senior System Administrator to join our team supporting mission-critical legacy systems for the Defense Information Systems Agency (DISA). This is an… more
    Koniag Government Services (10/28/25)
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  • System Administrator 3

    M. C. Dean (District Of Columbia, DC)
    …configuring, troubleshooting, and ensuring the reliability, security , and performance of systems and services. The Systems Administrator will collaborate ... electrical, engineering, and cybersecurity industries. Responsibilities What you'll do: The Systems Administrator 3 is responsible for the day-to-day management,… more
    M. C. Dean (08/27/25)
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  • Cisco Call Manager Administrator

    CACI International (Chantilly, VA)
    …network infrastructure. + Administer and maintain Cisco Unified Communications Manager (CUCM) systems in compliance with DoD security standards + Perform user ... Cisco Call Manager Administrator Job Category: Information Technology Time Type: Full... works closely with the Cisco Call Manager Engineer Lead and other IT team members to deliver high-quality… more
    CACI International (09/27/25)
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