• Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Operation Center WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to support… more
    St. George Tanaq Corporation (11/14/25)
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  • Senior Network and Computer Systems…

    NANA Regional Corporation (South Burlington, VT)
    We are seeking an experienced Senior Network and Computer Systems Administrator to lead the administration, security, and optimization of the USCIS enterprise IT ... network and systems services used to support USCIS operations nationwide. As a senior -level administrator , you will provide technical leadership and oversight of… more
    NANA Regional Corporation (10/16/25)
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  • Senior Administrator , Systems…

    Intercontinental Exchange (ICE) (Atlanta, GA)
    Overview **Job Purpose** The Senior Systems Administrator is responsible for maintaining the availability, security, and performance of Windows and Linux ... response, troubleshooting, and resolving system performance and availability issues. The Senior Systems Administrator also assists in implementing automation and… more
    Intercontinental Exchange (ICE) (12/23/25)
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  • Senior Systems Administrator

    Chenega Corporation (Arlington, VA)
    **Req ID:** 38512 **Summary** ** Senior Systems Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving ... security and economic interests of our nation. SecuriGence is seeking a talented ** Senior Systems Administrator ** to help contribute to our success. Come help… more
    Chenega Corporation (12/10/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    …and any processes related to these systems. The Senior Systems Administrator will Configure and manage primarily Windows and some UNIX operating ... Senior Systems Administrator Job Category: Information...update system software, push agents and connect nodes. + Windows 10/11, Server 2016/2019/2022 - General IT knowledge to… more
    CACI International (12/02/25)
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  • Senior Programmer/Analyst ( Senior

    SUNY College of Environmental Science and Forestry (Syracuse, NY)
    …2025 Job Description: Budget Title: Senior Programmer/Analyst Campus Title: Senior Network Administrator Unit: Computing and Network Services Professional ... the position of Senior System Developer. The Senior Network Administrator ( Senior Programmer/Analyst)...an IT-related field. + Working knowledge in the areas Windows Server and Unix/Linux use/administration. + Experience setting up… more
    SUNY College of Environmental Science and Forestry (10/31/25)
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  • Senior IAM Administrator

    Insight Global (Herndon, VA)
    Job Description This position is for our large software client. The Senior Identity and Access Management (IAM) Administrator is responsible for leading secure, ... across Active Directory, Azure AD, and related services. The Senior IAM Administrator develops and maintains scripts...a focus, SSO and SAML - Experience in a Windows environment - Proficient in PowerShell commands and scripting… more
    Insight Global (12/09/25)
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  • Senior Linux Systems Administrator

    Leidos (Camp Springs, MD)
    …take ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and ... Certified Practitioner (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems ...DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3+ years deploying… more
    Leidos (12/20/25)
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  • Lead Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented ** Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... understanding of client and server operations and maintenance with Windows 10 and 11 environments and Windows ...with Windows 10 and 11 environments and Windows Server 2016/2019, to include Active Directory, Domain Controllers,… more
    ManTech (12/19/25)
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  • Senior Information Systems…

    Concurrent Technologies Corporation (Huntsville, AL)
    Senior Information Systems Administrator Concurrent Technologies Corporation Huntsville, AL Minimum Clearance Required: Top Secret Clearance Clearance Level Must ... customized, and powerful solutions. CTC is looking for talented Senior Information System Administrator with experience accrediting, maintaining,… more
    Concurrent Technologies Corporation (10/19/25)
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