• 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 / Systems

    GovCIO (Washington, DC)
    **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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  • 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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  • Mid System / Network

    Belay Technologies (Laurel, MD)
    …in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior System / Network Administrator . The Systems Administrator (SA) provides ... systems enhancements to improve reliability and performance. The Systems / Network Administrator shall possess the...bachelor's degree + TS/SCI with poly The Level 2 System / Network Administrator shall possess the… more
    Belay Technologies (12/08/25)
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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 (12/01/25)
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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 System

    General Dynamics Information Technology (Fairfax, VA)
    System Administration **Experience:** 8 + years of related experience **Job Description:** ** Senior Linux System Administrator ** The position is for the ... Senior Linux System Administrator responsible for the servers that... system hardware, operating systems , software systems , network systems , security … more
    General Dynamics Information Technology (12/04/25)
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  • G2 Senior Systems

    General Dynamics Information Technology (Fairfax, VA)
    …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Senior Systems Administrator ** at GDIT. Shape what's next ... people are our differentiators. Our work depends on a ** Senior Systems Administrator ** joining our...Change Commander, Navy Installation Command (CNIC) G2 applications. + Senior System Administrator for G2… more
    General Dynamics Information Technology (12/08/25)
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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 ... * * * **The Opportunity:** CACI is seeking a Senior Systems Administrator to provide...some UNIX operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network more
    CACI International (12/02/25)
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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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  • 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 System

    ManTech (Laurel, MD)
    …+ Configure and manage Linux operating systems . Installs/loads operating system software, troubleshoots maintains integrity and configures network components ... ManTech seeks a motivated, career and customer-oriented **Linux** ** System Administrator ** to join our team...for implementation, troubleshooting and maintenance of Information Technology (IT) systems . + Manage IT system infrastructure and… more
    ManTech (12/11/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team of passionate individuals in ... combination of these * Troubleshoot, maintain integrity and configure network components along with implementing operating systems ...systems including the transition and migration of corporate systems * Monitor and report on system more
    Amentum (11/20/25)
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  • Senior Linux System

    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 ...maintenance of IT systems . + Manage IT system infrastructure and processes related to client/server/storage/ network more
    ManTech (10/14/25)
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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 ... support the implementation, troubleshooting, and maintenance of IT systems , as well as manage IT system infrastructure and associated processes.… more
    ManTech (10/25/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers ... implements new standards, policies and procedures. Incumbent in this job works closely with Network and Systems Analysts to help determine and develop the … more
    SAIC (11/19/25)
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  • Senior VMWare System

    Intrepid Solutions and Services (Annapolis Junction, MD)
    …the operationalization and deployment of new and emerging technologies.We're seeking a ** Senior Level System Administrator with specialized experience with ... **Overview** Darkblade Systems , a CIS Secure company, is a trusted...firewalls (eg, NSX, Cisco ASA). + Experience related to network engineering design, system fit-up, and … more
    Intrepid Solutions and Services (11/26/25)
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