• Linux System Administrator…

    Link Solutions Inc (White Sands Missile Range, NM)
    …and appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Linux System Administrator ( Senior -Level) to join our team at White ... an active DoD Top Secret Clearance + Non-remote (relocation incentive available) Our Linux System Administrator ( Senior -Level) will be responsible for the… more
    Link Solutions Inc (08/09/25)
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  • Sr . Principal Backup and Storage System…

    RTX Corporation (Plano, TX)
    …are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret ** Sr . Principal Backup and Storage System Administrator Plano, TX, 100% ... problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat...administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. + Linux Server management to… more
    RTX Corporation (07/10/25)
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  • Senior Specialist, Cyber Infrastructure…

    L3Harris (Melbourne, FL)
    …land, sea and cyber domains in the interest of national security. Job Title: Systems Administrator ( Linux /Windows) Job Code: 23569 Job Location: Melbourne, ... and validation, cost and risk and supportability and effectiveness analyses for total systems . Analyses are performed at all levels of total system product to… more
    L3Harris (08/08/25)
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  • Sr . Application Administrator…

    University of Rochester (Brighton, NY)
    …individual, and internal equity considerations._ **Responsibilities:** GENERAL PURPOSE: The Sr . Application Administrator for the Analytics Catalog maintains, ... and develops new solutions and leads projects to upgrade components or whole systems . Supports the URMC Data Analytics Community of Practice and Chartered Centers of… more
    University of Rochester (08/07/25)
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  • Senior Linux System…

    ManTech (Fort Meade, MD)
    Mantech seeks a motivated, career and customer-oriented ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will ... perform system capacity analysis and planning. + Configure and manage Linux operating systems ; install and maintain OS software; implement system enhancements to… more
    ManTech (07/26/25)
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  • Sr . Principal SharePoint and Exchange…

    RTX Corporation (Plano, TX)
    …**Security Clearance:** DoD Clearance: Top Secret **SharePoint and Exchange System Administrator - P4 Plano, TX. Must have active Top-Secret clearance, 100% on ... agility through business innovation, technical proficiency, and operational excellence. ** Sr . Principal Backup and Storage System Administrators** collaborates with… more
    RTX Corporation (07/09/25)
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  • Linux System Administrator…

    GovCIO (Carson City, NV)
    **Overview** GovCIO is hiring a Windows and Linux System Administrator ( Senior ) to support Veterans Affairs operational needs. The role requires AWS, ... $150,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6366/ linux -system- administrator %2c- senior -%28remote%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID**… more
    GovCIO (07/25/25)
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  • Sr . Systems Administrator

    RTX Corporation (Tucson, AZ)
    …a safer, more secure world. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux ... environment. + Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server...complexity to include the integration of hardware and operating systems (OS). + Must be able to obtain Department… more
    RTX Corporation (06/26/25)
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  • Sr . System Administrator

    Financial Partners Credit Union (Costa Mesa, CA)
    …Pay Range $115,763.00 - $162,200.00 Position Type Full Time Job Description The Senior System Administrator is responsible for ensuring the seamless operation, ... configuration, and maintenance of physical and virtual servers across various operating systems , including Windows Server, Linux , and Unix. + Resource management… more
    Financial Partners Credit Union (06/02/25)
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  • Sr . Principal Systems…

    RTX Corporation (Tucson, AZ)
    …US citizens are eligible for a security clearance. + Experience supporting Windows and/or Linux operating systems . + Experience with but not limited too, Active ... secure world. **What You Will Do:** + Experience with Linux architecture, deployment, administration, networking, performance monitoring/tuning, security hardening,… more
    RTX Corporation (08/02/25)
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