• F5 Network Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    …Troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance - ... willing to obtain a CI Poly Job Description: - Systems administration of routing and switching systems ...status to agency management and internal customers - Install/load operating system and application software - Isolate and resolve… more
    Arena Technical Resources, LLC (10/06/25)
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  • Network Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …support to users. Essential skills involve expertise in networking concepts, operating systems , hardware management, and strong problem-solving abilities. CGI ... Poly highly desired * Technical Expertise: In-depth knowledge of networking concepts, operating systems , servers, routing protocols, and diagnostic software. *… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • NAIS Network Administrator (Hybrid)

    NANA Regional Corporation (Suffolk, VA)
    …services for all NAIS assets. + Perform the complete device setup of NAIS Operating Systems (for items received at C5I-NAIS-LAB) to include, but not limited ... and IP information. + Assist in performing the complete setup on NAIS Operating Systems (for devices received by field units/ shipped to unit by SFLC) to… more
    NANA Regional Corporation (09/29/25)
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  • Cyber Security Engineer

    Shuvel Digital (Arlington, VA)
    …the design, evaluation, and architecture of state-of-the-art secure GOTS/COTS applications, operating systems , networks, databases, and custom built technology. ... security and SIEM integration * Demonstrated experience handling incidents across multiple operating systems * Excellent written and oral communication skills *… more
    Shuvel Digital (09/25/25)
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  • Hybrid Cyber Security Engineer

    Shuvel Digital (Arlington, VA)
    …the design, evaluation, and architecture of state-of-the-art secure GOTS/COTS applications, operating systems , networks, databases, and custom built technology. ... security and SIEM integration + Demonstrated experience handling incidents across multiple operating systems + Excellent written and oral communication skills +… more
    Shuvel Digital (09/25/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    …enterprise. Candidates must possess thorough understanding of Windows & Linux operating systems , cloud technology, contemporary networking, and cybersecurity ... or more years of experience in the validation of security configuration of operating systems . + Shall have 2 or more years of experience applying Risk Management… more
    Tau Six (10/22/25)
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  • Database Administrator III

    RTX Corporation (Chesapeake, VA)
    …manage and maintain the operation of complex relational databases across various operating systems + Implement and manage data security protocols, including ... hardening, and maintaining Window servers, performing software installations and upgrades to operating systems and COTS applications. + Knowledge of Service… more
    RTX Corporation (10/15/25)
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  • GPU Software Engineer

    Leidos (Arlington, VA)
    …real-time C/C++ software for multi-core systems running Linux or a real-time operating systems , such as VxWorks + Build software products that utilize third ... Linux operating system as well as experience with real-time operating systems + Designing, implementing, and testing software to configure and control RF… more
    Leidos (11/12/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …complex computer system network administration activities. + Experience in Microsoft Windows computer operating systems , LINUX operating systems , CISCO ... in a business, technical or engineering field. + Certification in LINUX operating systems + Cisco Certified Network Associate (CCNA). + CompTIA, the Server +… more
    SimIS Inc. (11/06/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    …of Linux systems . Activities include installation and maintenance of operating systems and application patches. Install, configure, and maintain required ... utilization, and performs system capacity analysis and planning along with implementing operating systems enhancements to improve availability. Attend TEMs to… more
    Assertive Professionals (10/09/25)
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