• Cyber Security Administrator

    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 if we are a good match! Opportunity: Virtual Service Operations is actively seeking… more
    Virtual Service Operations (09/11/25)
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  • Endpoint Security as a Service (ESS)…

    Leidos (Washington, DC)
    …DISA training. If you're ready to take on one of the most vital roles in national security cyber defense - _let's talk_ . This is your chance to lead from the ... **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… more
    Leidos (10/03/25)
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  • Patch and Linux Administrator (Systems…

    Huntington Ingalls Industries (Fairfax, VA)
    …Hard Stuff is Done Right! We are seeking an experienced Patching and Linux Administrator III to join our infrastructure team. This role requires deep technical ... certification * Apple Certified Support Professional (ACSP) or Jamf Certified Administrator * Certified Information Systems Security Professional (CISSP) or… more
    Huntington Ingalls Industries (11/14/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    …then choose MITRE - and make a difference with us. The Information System Security Department (R311) within the Global Security Services Division (R300) is ... looking to fill a Senior Information Systems Security Engineer position, with a focus on classified environments. The selected candidate will support multiple… more
    The MITRE Corporation (11/08/25)
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  • Nissc III Pursuit

    SAIC (Washington, DC)
    …Logistics + Network Engineer + Program Analyst + Quality Assurance Engineer + Security Administrator + Specialty and Logistics Engineering + Software Engineer + ... INTEGRATED TACTICAL WARNING/ATTACK ASSESSMENT (NCMC-ITW/AA) AND SPACE SUPPORT CONTRACT III (NISSC III ).** **Please note that this...Systems Administrator + Systems Architect + Systems Engineer + Systems… more
    SAIC (11/06/25)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …civilian Government agencies and critical asset owners who experience cyber -attacks, providing immediate investigation and resolution. Contract personnel perform ... customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across development, lab,… more
    BCMC (10/16/25)
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  • Sr. System Administrator - VDI

    Leidos (Odenton, MD)
    …IAT level II, eg Security +ce **PREFERRED QUALIFICATIONS:** + Integration of cyber security tools and systems with network performance, trouble ticketing, and ... at Leidos has a career opening for a System Administrator on a DISA contract. This role is primarily...enclaves and environments as needed. + Interacts with Tier III support and evaluates vendor products. + Develops and… more
    Leidos (10/21/25)
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  • Systems Administrator

    SAIC (Washington, DC)
    …award, with an anticipated decision expected by fall 2025.** The System Administrator responsibilities include, but are not limited to: + Manage and maintain ... devices, and implement and ensure compliance with applicable system security controls. + Optimize system operations and resource utilization...4 years of experience in lieu of degree. Level III : Bachelors and 9-17 years of experience or an… more
    SAIC (09/06/25)
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  • Senior Information System Security Officer

    The MITRE Corporation (Mclean, VA)
    …from security threats. The candidate will perform tasks such as ensuring cyber security is baked into the design of new/existing operational environments; ... Department Summary: The Cybersecurity Risk Management Department (R311) within the Global Security Services Division (R300) is looking to fill a Senior Information… more
    The MITRE Corporation (10/25/25)
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  • Senior Information System Security Officer…

    Steampunk (Mclean, VA)
    **Overview** The **ISSO** serves as a Cyber Security Specialist and will perform level III ISSO and/or ISSO support. **Contributions** + Ensuring that ... security requirements for the assigned major application or general...+ Certified Information Systems Auditor (CISA) + Salesforce Certified Administrator **Preferred Skills** + Demonstrated ability to rely on… more
    Steampunk (10/03/25)
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