• Senior Network / Systems

    GovCIO (Annapolis, MD)
    **Overview** GovCIO is currently hiring for a Senior Network / Systems Administrator with an active Secret clearance. This position will be fully remote. ... USD $112,500.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7168/ senior - network - systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_… more
    GovCIO (12/03/25)
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  • Mid System/ Network Administrator

    Belay Technologies (Laurel, MD)
    …2020 and a finalist in 2021! Belay Technologies is seeking a Senior System/ Network Administrator . The Systems Administrator (SA) provides support for ... operating systems enhancements to improve reliability and performance. The Systems / Network Administrator shall possess the following qualifications: +… more
    Belay Technologies (12/08/25)
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  • 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 ... about us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to… more
    St. George Tanaq Corporation (11/14/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... Type of Travel: Local * * * **The Opportunity:** CACI is seeking a Senior Systems Administrator to provide support for implementation, troubleshooting and… more
    CACI International (12/02/25)
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  • Senior Linux Systems

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... make a difference in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
    Leidos (09/26/25)
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  • Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Security WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... about us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Security** to support… more
    St. George Tanaq Corporation (11/18/25)
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  • Senior Systems Administrator

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics ... team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,...and make a difference in National** **Security!** As a Senior Systems Administrator you will… more
    Leidos (11/15/25)
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  • Network Administrator

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Network Administrator ( Senior -Level) to join our team at Aberdeen Proving ... an active DoD Top Secret Clearance. + Non-remote (relocation incentive available) The Network Administrator ( Senior -Level) will be responsible for supporting… more
    Link Solutions Inc (10/08/25)
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  • Senior ServiceNow Systems

    SAIC (Annapolis Junction, MD)
    …be substituted for the degree + Minimum of 14 years of experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is ... installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems more
    SAIC (11/06/25)
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  • Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... Administrator for a small, diverseteam that provides end-to-end software, systems , and network engineering services to support Integrated Discovery… more
    Leidos (10/09/25)
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  • (Mid. or Senior ) Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Network Systems Administrator (Windows) to join our team. The selected individual ... respond to hardware and software incidents and work with senior system administrators, at times remotely from other locations....extending IAVA patches and security updates on IT and network systems . + Must be committed to… more
    Belay Technologies (10/01/25)
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  • Senior Systems Administrator

    SAIC (Fort Meade, MD)
    …can** **grow your career in a dynamic and supportive environment!** The Systems Administrator (SA) will provide support for implementation, troubleshooting, and ... operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements… more
    SAIC (11/17/25)
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  • Senior Systems Administrator

    Huntington Ingalls Industries (Hanover, MD)
    …Ability to Obtain Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies division. Warfare ... Systems comprises cyber and mission IT; electronic warfare; and...cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely… more
    Huntington Ingalls Industries (11/25/25)
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  • 337 - Senior Linux Systems

    ARSIEM (Annapolis Junction, MD)
    Administrator for a small, diverse team that provides end-to-end software, systems , and network engineering services to support Integrated Discovery ... of a large enclave comprised of various hardware, software, and network components to include server architecture, virtual machines, managed switches, NAS,… more
    ARSIEM (10/30/25)
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  • Linux Administrator , Senior

    Amentum (Hanover, MD)
    …& Intel space? If so, look no further. Amentum is seeking a **Linux Administrator , Senior ** to join our team of passionate individuals in **Hanover, MD** ... continuously trying to stay ahead of the next challenge. **Responsibilities:** This Senior Linux administrator position will provide candidates with a chance… more
    Amentum (11/21/25)
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  • Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator ( Senior -Level) to join our team at Adelphi, MD. + Must be a ... Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator ( Senior -Level) will be responsible for the installation,… more
    Link Solutions Inc (10/08/25)
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  • Mid/ Senior System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems ... finalist in 2021! Belay Technologies is seeking a System Administrator (SA) to join our intel team. The SA...for implementation, troubleshooting and maintenance of Information Technology (IT) systems . The SA manages IT systems including… more
    Belay Technologies (11/19/25)
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  • Senior Systems Administrator

    Oracle (Annapolis, MD)
    …"ER" for our customers around the world who provide patient care. As a Systems Analyst III, your primary task will be to provide mission critical incident management ... which requires being a US Citizen. + Bachelor's degree in information systems , Computer Science, Computer Engineering, Software Engineering or related field, or… more
    Oracle (11/25/25)
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  • Senior Linux System Administrator

    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 ... Support day-to-day operations and monitoring, and resolve issues related to client/server/storage/ network devices and mobile systems . + Escalate and communicate… more
    ManTech (10/25/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    ManTech seeks a ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... troubleshooting, and maintenance of IT systems , as well as manage IT system infrastructure and...+ Manage IT system infrastructure and processes related to client/server/storage/ network devices and mobile devices. + Perform Tier 1… more
    ManTech (10/14/25)
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