• Information System Security Engineer (ISSE)

    KBR (Alexandria, VA)
    …DoD 8140 Requirements for a Security Architect position + Knowledge of Linux and Windows Operating Systems + Knowledge of Cybersecurity Devices, IDS, ... Title: Information System Security Engineer (ISSE) Belong. Connect. Grow. with...Develop and implement security designs ensuring that the hardware, operating systems , applications all adequately address cyber… more
    KBR (07/02/25)
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  • Systems Support Engineer II…

    Red River (Chantilly, VA)
    … Server 2016 and above. + .High level knowledge of supporting/managing desktop operating systems + .Email Administration with high level user management ... your actions could affect others; you seek to make those around you successful. The Systems Support Engineer II is primarily responsible for working on a team at the… more
    Red River (07/24/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    …platforms for the intelligence community. + Demonstrated success with Linux, database system administration, and scripting + Experience operating , maintaining ... National Security Sector at Leidos is seeking a **Senior System Administrator** to join a dynamic team based in...team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within… more
    Leidos (07/29/25)
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  • Secret Lead Systems Administrator

    Insight Global (Norfolk, VA)
    …Architect, or similar). Able to manage systems across different platforms and operating systems . Familiar with DoD and Navy standards for system ... to enhance system administration processes. Ensuring robust cybersecurity across all systems . Collaborating across IT teams to support the full lifecycle of the… more
    Insight Global (08/08/25)
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  • Systems Administrator - TS/SCI

    General Dynamics Information Technology (Fort Belvoir, VA)
    …of directly related experience in systems administration and analysis. + UNIX/LINUX System Administration - Preferred + Windows System Administration - ... the functionality and efficiency of a group of computers running on one or more operating systems . + Understand all the different systems that are monitored… more
    General Dynamics Information Technology (07/16/25)
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  • NCIS Cyber Systems Administrator - SecOps…

    General Dynamics Information Technology (Quantico, VA)
    …SECOPS WILL MAKE AN IMPACT:** + Implement STIG releases across a variety of operating systems and applications + Tracks and remediates IAVM vulnerabilities + ... with SCI eligibility. + **Required Experience:** + 5+ years of experience with systems administration: + DoD system accreditation process + STIG checklist review… more
    General Dynamics Information Technology (05/17/25)
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  • System Administrator

    Tyto Athene (Fort Belvoir, VA)
    …server hardware and associated networking equipment (Cisco, Aruba). + Manage Windows domains, virtual machine builds/deployments (VMWare), support system ... **Description** Tyto Athene is searching for a ** System Administrator** to work as part of an...security compliance, and supporting technologies (Defender). + Ensures all systems are monitored, protected with antivirus, have appropriate backups,… more
    Tyto Athene (07/28/25)
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  • Information System Security Officer,…

    Lockheed Martin (Herndon, VA)
    …experience with industry standard Information Assurance tools\. \- Technical familiarity with Windows or UNIX\-based operating systems , and their security ... obtain a CI polygraph\.** This position will perform duties as an Information Systems Security Officer at the Lockheed Martin Space facility in Herndon, Virginia\.… more
    Lockheed Martin (08/08/25)
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  • Sr Principal Engineer Systems Modeling…

    Northrop Grumman (Dulles, VA)
    …integration and test and controls experience + Understanding of common embedded system tools, real-time operating systems and avionics integration ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (07/18/25)
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  • System Operations/Administrator

    Noblis (Chantilly, VA)
    …desktop system administrator or in a similar IT support role. + Knowledge of Windows and Linux operating systems . + Compliant with DoD Directive 8570 ... Deploy software updates, patches, and security fixes to desktop systems . + Conduct regular system backups and...reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions,… more
    Noblis (08/01/25)
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