• System Administrator

    Nightwing (Sterling, VA)
    … are transitioned to customers in a timely manner. Required Skills: + Operating Systems : Extensive knowledge of Windows and Linux operating systems . + ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (12/26/25)
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  • Network Management Systems (NMS) Operations…

    CACI International (Las Cruces, NM)
    Linux based NMS infrastructure. **Responsibilities:** + Administer, configure, and troubleshoot Linux -based systems (eg, CentOS, Ubuntu, RHEL) in an air ... system updates, patches, and security configurations to ensure systems are up-to-date and secure. + Provide support for...+ TS/SCI with Poly required + Strong knowledge of Linux operating systems (eg, Red Hat, CentOS,… more
    CACI International (10/23/25)
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  • Information System Security Eng (ISSE) III

    Global Resource Solutions (Arlington, VA)
    …+ Enforce the design and implementation of trusted relations among external systems and architectures. + Assesses and mitigates system security threats/risks ... Linux servers, MS Hyper-V/VMWare/ESx/Xen Hypervisors, Enterprise networking/firewalls/intrusion detection/prevention systems , forensic analysis/vulnerability assessment, Group Policy management and configuration,… more
    Global Resource Solutions (12/19/25)
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  • Fleet Support Rep-SA/DBA III-Computer…

    V2X (Yuma, AZ)
    …administration in the US Navy CANES and/or NMCI environment. + Experience with system administration or operations of military planning systems in the aviation ... challenges with integrity, respect, responsibility, and professionalism. Responsibilities + Computer Systems Analyst + We have an opportunity for a Helpdesk Analyst… more
    V2X (12/16/25)
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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    …support for implementation, troubleshooting and maintenance of Information Technology (IT) systems . Manages IT system infrastructure and any processes related ... the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains… more
    Synergy ECP (10/22/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    …process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity ... and manage UNIX, Linux and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of… more
    Synergy ECP (10/22/25)
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  • Information System Security Engineer

    CAE USA INC (Arlington, TX)
    …for this role. Preferred Skills: Experience with System Administration of Windows and Linux Systems is highly desired. This is to include: + deployment + ... cost and technical volumes. + Assist in Cost Account Management. + High level system administrator skills under Windows or Linux (prefer both). + Experience with… more
    CAE USA INC (12/17/25)
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  • System Administrator

    The Boeing Company (Hazelwood, MO)
    …. **Position Responsibilities:** + Maintain and operate Linux and Windows systems across multiple test environments, including routine system health checks, ... part of Boeing Global Services BGS, is seeking a ** System Administrator in Hazelwood, MO** for the Department of...Proven experience in installing and configuring Red Hat Enterprise Linux and Microsoft Windows systems + CompTIA… more
    The Boeing Company (01/07/26)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    …change requests; support for implementation, troubleshooting and maintenance of Unix/ Linux systems ; Perform technical evaluations, analysis, and troubleshooting ... System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP),...servers. Manage day-to-day operations, monitoring and problem resolution of Linux systems . Activities include installation and maintenance… more
    Assertive Professionals (01/07/26)
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  • Sr. Principal Storage & Data Protection…

    RTX Corporation (Tucson, AZ)
    …Experience working with Storage and Data Protection systems . + Experience with Linux and Windows Operating System . (RHEL preferred) + Experience with Active ... and grow your technical competence in multiple areas (such as Windows, Linux , virtualization, User Authentication, DNS, NFS, system imaging/build automation). +… more
    RTX Corporation (12/05/25)
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