• Mid-Level Linux Systems

    The Boeing Company (Berkeley, MO)
    …United States (US) Infrastructure Operations (SUSIO) Organization is currently seeking a **Mid-Level Linux Systems Administrator ** to join the team in ... systems + Develop project plans for the implementation of Linux systems into a computing environment **Basic Qualifications (Required Skills/Experience):**… more
    The Boeing Company (11/23/25)
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  • Linux Systems Administrator

    Arena Technical Resources, LLC (St. Louis, MO)
    Linux Systems Administrator Location: St. Louis, MO, US Job ID: ATR 17232 Job Description We are looking for a talented TS/SCI cleared Red Hat Data Center / ... Systems Administrator in St. Louis, MO to...Systems Administrator in St. Louis, MO to join a team...(not just familiarity) RedHat or some other variance of Linux - Must be able to troubleshoot users' problems… more
    Arena Technical Resources, LLC (10/06/25)
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  • Linux Administrator - ACAS

    CACI International (St. Louis, MO)
    Linux Administrator - ACAS Job Category:...the hire date + Expert at operating and maintaining Linux systems + Experience operating and maintaining ... the NGA mission. In this role, we're seeking a ** Linux Administrator - ACAS** who could potentially...Information - Software Tools list. + Utilize agency-approved ticketing systems to document, track, assign, update, and coordinate all… more
    CACI International (11/10/25)
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  • Systems Administrator / Integration…

    BAE Systems (St. Louis, MO)
    …Other incentives may be available based on position level and/or job specifics. ** Systems Administrator / Integration Tester** **117614BR** EEO Career Site Equal ... **Job Description** BAE Systems is seeking mission-oriented System Administrator ...(7) years of system administration experience and expertise in Linux and AWS cloud environments + Demonstrated experience in… more
    BAE Systems (10/22/25)
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  • Mid-Level Systems Administrator

    The Boeing Company (Berkeley, MO)
    …us. The Boeing Company is looking for a highly experienced and detail-oriented **Mid-Level Systems Administrator ** to join the team in **Berkeley, MO** . In this ... development stacks, engineering workflows, vulnerability remediation, etc. As the System Administrator supporting Training Systems , based in St Louis, MO,… more
    The Boeing Company (11/27/25)
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  • Mid-Level Systems Administrator

    The Boeing Company (Berkeley, MO)
    …(SUSIO) Organization is currently seeking a highly experienced and detail-oriented **Mid-Level Systems Administrator ** to join the team in **Berkeley, MO.** This ... (IT) Infrastructure that is required to deliver products to our customers. As a Systems Administrator , your expertise will play a crucial role in integrating… more
    The Boeing Company (11/27/25)
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  • Systems Administrator - Senior

    CACI International (St. Louis, MO)
    Systems Administrator - Senior Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... investigation upon hire + Expert knowledge of various operating systems (eg, Windows Server, Linux , Unix) +...of various operating systems (eg, Windows Server, Linux , Unix) + Advanced expertise in network protocols, services,… more
    CACI International (11/08/25)
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  • Systems Administrator

    Amentum (St. Charles, MO)
    …assistance and support to end-users. 9. Managing routine morning checks of systems and environment and provide any subsequent remediation. 10. Perform Annual reviews ... of IT infrastructure systems to verify integrity and compliance. 11. Participate in IT projects and initiatives. 12. Maintain accurate documentation of system… more
    Amentum (10/08/25)
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  • Application Support Engineer (Onsite)

    BAE Systems (Arnold, MO)
    …Polygraph security clearance + Have previous experience with LINUX based operating systems + Previous System Administrator experience + Willing to work in a ... **Job Description** BAE Systems is currently seeking an Application Support Engineer...work will be conducted on location at a BAE Systems facility 100% of the time **Required Education, Experience,… more
    BAE Systems (11/15/25)
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  • PostgreSQL Database Administrator

    The Cigna Group (St. Louis, MO)
    …and on-premise environments. The ideal candidate will bring expertise in systems administration, performance tuning, and Linux server management. Experience ... Evernorth is seeking a skilled PostgreSQL Database Administrator (Database Administrator Senior Advisor) with...and optimization. + Develop and maintain monitoring and alerting systems with a focus on reducing incidents. + Design… more
    The Cigna Group (11/05/25)
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  • System Adminsitrator

    GCyber (St. Louis, MO)
    Administrator will manage, maintain, and optimize servers, operating systems , and enterprise applications to support continuous operations and mission-critical ... GCyber is hiring a System Administrator , to support our newly awarded United States...you will: + Manage, maintain, and optimize servers, operating systems (Windows/ Linux ), and enterprise applications in a… more
    GCyber (11/18/25)
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