• Systems Administrator

    KBR (Honolulu County, HI)
    Title: Systems Administrator Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions ... virtualization infrastructure. . Install, maintain, upgrade and configure systems (Windows/ Linux /VMWare/SQL Server, Horizon UAG, VDI) . Maintain security and… more
    KBR (12/04/25)
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  • Network/System Administrator (Net/Sys…

    General Dynamics Information Technology (Colorado Springs, CO)
    ACAS /Nessus/SCAP, mandatory/role-based access control concepts (e. g. SE Linux extensions to RHEL, PitBull, AppArmor, and Sentris), video teleconferencing/VOIP, ... related experience **US Citizenship Required:** Yes **Job Description:** **Network/System Administrator I** **COLORADO SPRINGS, COLORADO** **The primary function will… more
    General Dynamics Information Technology (11/04/25)
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  • Principal Storage & Data Protection System…

    RTX Corporation (Marlborough, MA)
    …systems in Classified areas. **What You Will Do** : + System Administrator for Storage and Data Protection, across a geographically distributed, mission-critical ... endpoint configuration at scale. + Experience with hybrid system integration across Linux and Windows in regulated or classified environments using identity and… more
    RTX Corporation (12/05/25)
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  • Senior System Integrator Engineer (TS/SCI)

    Vexterra Group (Bethesda, MD)
    …and O&M team members on the following key tasks: DUTIES * Perform Linux builds, installs, configuration, administration, and troubleshooting of both Linux and ... and system patching, performance monitoring, etc. * Provide O/S hardening (STIG, OpenSCAP, ACAS ) and system patching * Develop server builds for virtual and physical… more
    Vexterra Group (10/14/25)
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  • Vulnerability Assessment Analyst

    Electrosoft (Belleville, IL)
    …to telework on occasion. Job description Electrosoft Inc. is seeking an ACAS administrator to support the implementation and sustainment of government-mandated ... Assured Compliance Assessment Solution ( ACAS ) system, which is comprised of Security Center, Nessus...Some experience with DISA STIGs + Some experience with Unix/ Linux based systems + Some experience with Cisco network… more
    Electrosoft (12/11/25)
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  • Information System Security Engineer

    CAE USA INC (Arlington, TX)
    …and technical volumes. + Assist in Cost Account Management. + High level system administrator skills under Windows or Linux (prefer both). + Experience with ... Data Protection Controls, + Patching, Encryption, Certificates, vulnerability scanning ( ACAS /SCAP/E-STIG). + Continuous Monitoring . Patch/STIG . Annual ATO Package… more
    CAE USA INC (12/17/25)
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  • Systems Engineer, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Meade, MD)
    …use your technical expertise in support of cyberspace operations? As a Systems Administrator , you'll have the chance to build your expertise and solve technical ... customer-focused database solutions in support of our warfighters. As a Systems Administrator on our team, you'll establish and manage networks in support of… more
    BOOZ, ALLEN & HAMILTON, INC. (01/06/26)
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  • Cyber Systems Administrato

    L3Harris (Salt Lake City, UT)
    …such as ACAS (Nessus), STIGViewer, SCAP, and Splunk. + Experience as a Linux System Administrator + Experience with NISPOM, DAAG, JSIG, ICD + Network+, CCNA, ... the interest of national security. Job Title: Cyber Systems Administrator Job Code: 31202 Job Location: Salt Lake City,...ideal candidate will have a strong background in both Linux and Windows environments, with an emphasis on adhering… more
    L3Harris (11/20/25)
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  • Cyber Systems Engineer 4- Int Spec (25-572)

    Northrop Grumman (Colorado Springs, CO)
    …+ Installing, deploying, and unit testing various Cyber Tools such as: **- ACAS ** **- ArcSight** **- Delinea** **- ESS** **- Axway Repeater** + Responder for ... in integrating and maintaining Cyber Tools such as: + **Elastic Stack** + ** ACAS ** + **ArcSight** + **BigFix** + **Delinea** + **ESS** + **Axway Repeater** +… more
    Northrop Grumman (12/05/25)
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  • Sr. Specialist Cyber Infrastructure Engineer

    L3Harris (Carlsbad, CA)
    …ability to analyze outputs and drive remediation. + Extensive background as a Linux System Administrator in secure, classified environments, with expertise in ... operations. Essential Functions: + Engineer and oversee administration of Linux (Ubuntu/Red Hat) and Windows Server enterprise environments, ensuring… more
    L3Harris (01/02/26)
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