• HPC Systems Engineer

    TEKsystems (Colorado Springs, CO)
    …Facility (SCIF), and/or other similar facilities + Red Hat Enterprise Linux (RHEL) operating system , troubleshooting, software deployment, configuration + ... Description TEKsystems is seeking a HPC Systems Engineer to join a Research & Development...+ Troubleshooting and remediation of IT problems (hardware, operating system , network, software, encryption protocols, etc..) + Reporting and… more
    TEKsystems (10/08/25)
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  • Principal/Sr Principal Computer Systems…

    Northrop Grumman (San Diego, CA)
    …environment + Advise on integration of new emerging industry technologies to the program's systems + Implement engineering changes to the system as required + ... Bachelors Degree. + Advance and in-depth technical knowledge of Red Hat and/or other Linux operating systems . + Experience utilizing and working with Splunk +… more
    Northrop Grumman (10/07/25)
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  • Senior Systems Engineer

    Leidos (Fort Belvoir, VA)
    …internal and external mission partners operating in CONUS and OCONUS locations. The Sr Systems Engineer will deploy new Windows and Linux servers and systems ... as well as the day-to-day maintenance support for troubleshooting Linux /Windows cloud systems and servers. This role...routing, firewalls, SSH, VPNs) + Hands-on experience with reviewing system logs and events to resolve issues. + Develop… more
    Leidos (10/03/25)
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  • IT Engineer - Microsoft Enterprise Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …**Group Policy** , **DNS** , **DHCP** , and **DFS** . + Perform ** Linux system administration** (RHEL, CentOS, Ubuntu), including user management, permissions, ... **Job Family:** IT Infrastructure and Operations **Skills:** IT Help Desk, Linux ,Microsoft (MS) Active Directory (AD), System Administration,Windows 10… more
    General Dynamics Information Technology (10/14/25)
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  • Senior SCADA Systems Engineer - Operational…

    Nammo Defense Systems, Inc (Mesa, AZ)
    Senior SCADA Systems Engineer - Operational Technology Nammo Defense Systems , Inc., a defense contractor, is the primary USA operation of the Nammo Group (Nammo ... AS). Nammo Defense Systems Inc. (NDS) develops, manufactures, and supports Shoulder Launched...Server and infrastructure ownership * Operate ~15 production servers: Windows/ Linux for Ignition, Kepware/OPC, Python, Node-RED, Grafana. * Patching,… more
    Nammo Defense Systems, Inc (10/18/25)
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  • Specialist, System Administration - TS/SCI…

    L3Harris (Rochester, NY)
    …Administrator responsible for maintaining, managing, configuring, and troubleshooting Windows and/or Linux systems in secure program areas. Duties include ... Expert responsible for the configuration and maintenance of Windows systems while ensuring system reliability, data integrity,...prior related experience. + 4 years of Windows or Linux systems administration experience. + 1 year… more
    L3Harris (09/27/25)
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  • Principal System Administrator

    RTX Corporation (Mckinney, TX)
    … (OS). + Experience provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux /Windows ... Enterprise Linux , Active Directory, WSUS, VMware, BackupExec, NetBackup, prior systems administration experience, Windows or Linux administration, Backup and… more
    RTX Corporation (10/11/25)
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  • System Administrator

    Leidos (Bethesda, MD)
    …DOMEX Technology Platform (DTP) contract. Your job will be to bring together Linux (primarily) and Windows systems administration, systems maintenance, ... for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under our...work closely with other infrastructure and network engineers, and system engineers on the following key tasks:** + Clear… more
    Leidos (10/01/25)
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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 (07/24/25)
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  • Entry Level Systems Engineer

    BAE Systems (San Diego, CA)
    …Lights to powering the Mars Rover to protecting the F-35 fighter jet! At Electronic Systems , you ll be among the brightest minds, working on the Defense and Space ... part of? Come build your career with us. BAE Systems is looking for an entry level Systems...travel in support of product demonstrations, software installation, and system testing. The qualified candidate will have the opportunity… more
    BAE Systems (10/06/25)
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