• 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 ... the Role** We are seeking a ** Senior System Administrator - Network Operation...+ Minimum 8 years of advanced expertise in enterprise-level network and systems administration, ensuring mission-critical … more
    St. George Tanaq Corporation (11/14/25)
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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 ... the Role** We are seeking a ** Senior System Administrator - Network Security**...procedures within the IT security field. + Experience managing systems for a federal government agency. + Experience with… more
    St. George Tanaq Corporation (11/18/25)
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  • Senior Network Administrator

    GovCIO (Fairfax, VA)
    **Overview** GovCIO is currently hiring for a Senior Network Administrator with an active Secret clearance to monitor the network stability and ... USD $120,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7128/ senior - network - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Fairfax_ **ID** _2025-7128_… more
    GovCIO (11/21/25)
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  • Senior Network / Systems

    GovCIO (Washington, DC)
    **Overview** GovCIO is currently hiring for a Senior Network / Systems Administrator with an active Secret clearance. This position will be located in ... USD $112,500.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/4892/ senior - network - systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_… more
    GovCIO (10/08/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    Senior Systems Administrator II shall work closely with the activity's Senior Systems Administrator , Network Engineer as well as the IT team ... complex challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server… more
    V2X (11/15/25)
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  • Network Administrator

    GovCIO (Washington, DC)
    …VA, and will be a remote position. **Responsibilities** This position is for a Senior Network Administrator in a mixed and growing environment currently ... policies as needed. This position will need to be adept at monitoring and tuning system and network performance, ongoing operation of the network , hardening… more
    GovCIO (09/26/25)
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  • Cybersecurity Network Defense…

    GovCIO (Washington, DC)
    …in Radford, VA and will be a remote position. **Responsibilities** The Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6786/cybersecurity- network -defense- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6786_… more
    GovCIO (09/25/25)
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  • Senior Systems Administrator

    Chenega Corporation (Fort Belvoir, VA)
    …VA Join our Talent Network Senior Systems Administrator Ft. Belvoir, VA C-CHR-24-041 TheSenior System Administratorwill provide primary and backup ... Senior Systems Administrator Ft....and information assurance support. Duties and Responsibilities: + Provide systems administration support for the Windows operating system more
    Chenega Corporation (09/01/25)
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  • Senior Systems Administrator

    BAE Systems (Springfield, VA)
    …Other incentives may be available based on position level and/or job specifics. ** Senior Systems Administrator (Onsite)** **118558BR** EEO Career Site Equal ... **Job Description** As a Systems Administrator in an enterprise test...operation of multi-user computer systems , coordinates with network engineers, monitors and manages system resources,… more
    BAE Systems (11/19/25)
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  • Senior High Performance Computing (HPC)…

    BAE Systems (Annapolis Junction, MD)
    …level and/or job specifics. ** Senior High Performance Computing (HPC) Systems Administrator ** **115702BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** At BAE Systems , we promote a strong, collaborative culture and...and have ten (10) years of demonstrable experience in system administration and support of a large client-server based… more
    BAE Systems (09/09/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our ... and together our best becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services position supporting the NNSA (National… more
    General Dynamics Information Technology (09/16/25)
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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 & ... managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity, and enhancing system performance. Additionally, you'll support… more
    Leidos (09/26/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... any processes related to these systems . The Senior Systems Administrator will Configure...some UNIX operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network more
    CACI International (10/08/25)
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  • Mid/ Senior System

    Belay Technologies (Annapolis Junction, MD)
    …manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components ... a finalist in 2021! Belay Technologies is seeking a System Administrator (SA) to join our intel...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 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 & ... "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that... for a small, diverseteam that provides end-to-end software, systems , and network engineering services to support… 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...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

    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 ... and make a difference in National** **Security!** As a Senior Systems Administrator you will...and Windows environments. + Implement, troubleshoot, and maintain IT systems . + Manage daily IT system configuration… more
    Leidos (11/15/25)
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  • Windows System Administrator

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

    The Boeing Company (Fairfax, VA)
    …organization Specialized United States Infrastructure Operations (SUSIO) group is currently seeking a ** Senior Linux Systems Administrator ** to join the team ... VA; Fairfax, VA;** or **Chantilly, VA** . As a Senior Linux Administrator , you will play a...infrastructure, ensuring the stability, security and efficiency of our systems . This is an excellent opportunity for a talented… more
    The Boeing Company (11/19/25)
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  • Senior Systems Administrator

    Belay Technologies (Annapolis Junction, MD)
    …to Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies seeks a Senior System Administrator (SA) to join our intel team. The SA provides ... manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components… more
    Belay Technologies (11/19/25)
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