• Senior Linux/Unix Systems…

    SMX (Dahlgren, VA)
    Senior Linux/Unix Systems Administrator (4411)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated ... Senior Linux/Unix Administrator to join our team...and maintain Top Secret clearance + Networking protocols + Network security tools such as firewalls + Vulnerability management… more
    SMX (12/04/25)
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  • Senior HPC Administrator (High…

    Mount Sinai Health System (New York, NY)
    …local and national projects. To meet Sinai's scientific and clinical goals, the Senior Administrator has a good technical understanding for computational, data ... systems along with a strong focus on customer service for researchers. The HPC Senior Administrator is an expert troubleshooter and productive team member and… more
    Mount Sinai Health System (11/15/25)
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  • Senior Systems Administrator

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented ** Senior Systems Administrator - Windows/Linux Dual-Stack Specialist** to join our team in **Boulder, CO** . ... the stability, integrity, and security of a high-impact large scale enterprise network infrastructure. The ideal candidate will be a proactive problem-solver with a… more
    ManTech (11/05/25)
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  • Senior IT / System Administrator

    R&D Industries, Inc. (Milford, IA)
    Position Overview Our Senior IT / System Administrators & Network Engineers hold a wealth of knowledge regarding complex LAN and WAN network infrastructure. ... leading-class knowledge of hardware, software, networking, and security. A Senior Systems & Network Engineer should have...* CompTIA Net+ * CompTIA Security+ * Microsoft 365 Administrator Expert * Windows Server Hybrid Administrator more
    R&D Industries, Inc. (01/08/26)
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  • Senior System Administrator

    The Boeing Company (El Segundo, CA)
    …your future with us. **The Boeing Company** is currently seeking a high performing ** Senior ** **System Administrator ** to join our team in **El Segundo, CA** . ... The System Administrator will be a part of the Information Technology...access and establishing safeguards to protect information to meet network security requirements + Experience installing, configuring, troubleshooting, and… more
    The Boeing Company (01/09/26)
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  • Senior Linux System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Linux System Administrator (SA). The SA provides support for implementation, ... day-to-day operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. The SA provides Tier 1 (Help… more
    Belay Technologies (01/04/26)
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  • Sr Field Service Engineer

    Scientific Research Corporation (Norfolk, VA)
    …NECs: + 736A: Global and Command Control System Maritime 4.X (GCCS-M.4X) System Administrator + 737A: Naval Tactical Command Support System (NTCSS) II Manager + ... + 739A: Global Command and Control System Maritime 4.0.3 (GCCS-M 4.0.3) System Administrator + 741A: Information System Security Manager (ISSM) + 742A: Network more
    Scientific Research Corporation (12/11/25)
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  • Senior Credit Administrator

    Rexel USA (Santa Fe Springs, CA)
    …warehouse storefront locations throughout the US **Job Description** **We are looking for a Senior Credit Administrator to join our Talley team in Santa Fe ... Spring, CA!** **Summary:** The Senior Credit Administrator is responsible for managing credit risk, credit limits, and complex reconciliations for assigned… more
    Rexel USA (12/20/25)
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  • Senior Systems Administrator

    TekSynap (Dahlgren, VA)
    …& Qualifications** TheTekSynap is seeking a **S** **enior S** **ystem** ** Administrator (Unix/Linux).** The Senior Systems Administrator (Unix/Linux) ... support for Unix/Linux environments within the Navy enterprise. The Senior Systems Administratoris responsible forconfiguration, optimization, and sustainment of… more
    TekSynap (10/31/25)
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  • Senior Database Administrator

    TekSynap (IA)
    …scripting and tools to support database administration tasks. **Overview** We are seeking a Senior Database Administrator to join our team. TekSynap is a fast ... Microsoft Certified Architect: MS SQL Server + Microsoft Certified: Azure Database Administrator Associate + DoD 8570 IAT Level II Baseline Certification: + COMPTIA… more
    TekSynap (11/15/25)
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