• Network/ Systems Administrator

    Argonne National Laboratory (Lemont, IL)
    …an opportunity to serve as the System Administrator of the classified National Security Systems (NSS) for the Security Programs Facility (SPF). Develop, ... as Active Directory, DNS, DHCP, File and Print Servers, Remote Desktop Session Host, and Group Policy. + Experience...meet National Institute of Standards and Technology (NIST) 800-53 Security and Privacy Controls for Information Systems more
    Argonne National Laboratory (11/22/25)
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  • Systems Administrator

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …and achieving maximum success for our customers, our partners and ourselves. The Systems Administrator will be responsible for ensuring the smooth operation of ... or modifies system folder structure based on data owner request + Creates/modifies/deletes security groups, as required, to ensure the systems ' active directory… more
    Kratos Defense & Security Solutions, Inc. (12/07/25)
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  • Systems Engineer / System…

    Straight Edge Technology, Inc. (Corpus Christi, TX)
    …critical infrastructure and ensuring the highest levels of availability, performance and security . Qualified systems engineers will have a background in IT, ... at an MSP More specifically, we need a System Administrator that is Humble, Hungry, and Smart! Do you...network level: WAN and LAN connectivity, routers, firewalls, and security . + Remote access solution implementation and… more
    Straight Edge Technology, Inc. (11/22/25)
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  • Linux Systems Administrator

    iPostal1 (Montebello, NY)
    …established, cutting edge leader in the digital mailbox industry. Full Time Linux Systems Administrator Montebello, New York iPostal1 and our parent company ... with an A+ rating. We are seeking a Linux Systems Administrator with strong Linux and Bash...basic performance tuning for RDS instances. + Monitoring & Security : Use Datadog to track system health; implement … more
    iPostal1 (09/22/25)
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  • Senior Systems Administrator

    Huntington Ingalls Industries (Hanover, MD)
    …and be part of a small team of system administrators ensuring the stability, security , and efficiency of our systems . This position will support a mission ... HII, is seeking a highly motivated and experienced System Administrator to join our Minotaur team in Hanover, MD....a team of system administrators to maintain the reliability, security , and efficiency of our systems +… more
    Huntington Ingalls Industries (11/25/25)
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  • Principal Linux Systems

    RTX Corporation (Aurora, CO)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS/SCI with CI Poly - Current At Raytheon, the foundation of… more
    RTX Corporation (12/09/25)
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  • Systems Administrator

    CACI International (Omaha, NE)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... * * * **The Opportunity:** CACI is seeking a Systems Administrator to support a Service Desk...administrators to help reproduce and diagnose problems. + Provide remote support to users for network and desktop hardware… more
    CACI International (11/22/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …eligible for a security clearance. + Must have experience with Linux systems administration + Experience with one of the following: Solaris, Windows, VMWare + ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (12/05/25)
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  • SCADA Systems Administrator I

    Epsilon, Inc (Folsom, CA)
    …during your recruiter conversation. **Responsibilities** **An average day:** As the SCADA Systems Administrator I, you will provide system administration with a ... EEO Race/Sex/Disability Status/Veteran Status Submit a Referral (https://careers-epsilon.icims.com/jobs/3798/scada- systems - administrator -i/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834329987) **Location : Location** _US-CA-Folsom_… more
    Epsilon, Inc (12/13/25)
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  • Linux Systems Administrator - TS/SCI…

    Parsons Corporation (Centreville, VA)
    …redefine what's possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both Linux based ... open source software and utilities + Experience managing FreeIPA or LDAP based systems + Background in Network Security , Intrusion Detection, and server… more
    Parsons Corporation (12/06/25)
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