• Network Infrastructure

    CACI International (Mclean, VA)
    Network Infrastructure / System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with ... * * **The Opportunity:** CACI is looking for a Network Infrastructure / System Administrator ...with industry best practices + Knowledge of different operating systems (Microsoft, Unix, Linux, etc.) + Attention to detail,… more
    CACI International (12/17/25)
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  • Infrastructure Network

    Ops Tech Alliance (Washington, DC)
    Infrastructure Network Administrator (Washington, DC) ** Infrastructure Network Administrator ** _TS/SCI Clearance Required_ _Salary Range: $91,500 ... $110,800 per year_ Ops Tech Alliance is seeking an Infrastructure Network Administrator to configure,... Administrator to configure, maintain, and monitor secure network environments supporting mission-critical IT systems across… more
    Ops Tech Alliance (12/17/25)
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  • Network Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Network Administrator ** **Category:** Infrastructure /Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2111 **Employment ... Full Time **Position Description:** CGI Federal has an exciting opportunity for a Network Administrator within our Intel sector advancing the national security… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • Network / Systems

    GovCIO (Washington, DC)
    …Submit a referral to this job (https://careers-govcio.icims.com/jobs/6592/ network - systems - administrator -2-%28desktop-and- system ... **Overview** The System Administrator (SA) is responsible for...within the infrastructure . This individual ensures that system hardware, operating systems , software systems more
    GovCIO (12/05/25)
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  • Systems Administrator (Hybrid…

    Serco (Washington, DC)
    …Click here to apply now (https://careers-sercous.icims.com/jobs/71687/ systems - administrator -%28hybrid- infrastructure %29 ... **Position Description** Serco is seeking a skilled Systems Administrator to support the Navy-owned...Certified Associate or Professional (CCA/CCP). + AWS Certified SysOps Administrator or equivalent. + Cisco Certified Network more
    Serco (10/29/25)
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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 ... 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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  • Cloud Infrastructure Administrator

    Ops Tech Alliance (Washington, DC)
    …Proven technical experience with cloud infrastructure (AWS/Azure), virtualization, network technologies (LAN/WAN), and system administration + Familiarity ... Cloud Infrastructure Administrator (Washington, DC) **Cloud ...Systems Administration roles + Advanced experience troubleshooting complex network and system problems + Experience in… more
    Ops Tech Alliance (12/17/25)
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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 ... us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a **Senior System Administrator - Network Security** to support our… more
    St. George Tanaq Corporation (11/18/25)
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  • System / Network

    RTX Corporation (Fulton, MD)
    …+ Proficiency in scripting via bash and/or Powershell + A Microsoft Certified Systems Administrator (MCSA), RedHat Certified Systems Administrator ... Technologies (RTX) and an industry leader in the development of integrated C4I Network Centric Defense System solutions for both the Domestic and International… more
    RTX Corporation (11/21/25)
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  • Systems Network Administrator

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Systems / Network Administrator ** in our **National Security Sector's (NSS) Cyber & ... **Join us and make a difference in National Security!** **Job Summary:** Systems / Network administrator will provide support for implementation,… more
    Leidos (09/20/25)
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  • System Administrator

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an on-site ** System Administrator ** to support our work as a prime contractor on a high-profile US Navy weapon ... will be responsible forsupporting the customer s digital engineering environment as the primary System Administrator for a classified network . In this role… more
    BAE Systems (12/04/25)
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  • System Administrator

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an experienced full-time on-site System Administrator to support our work as a prime contractor on a high-profile ... and IT infrastructure teams. As an on-site System Administrator , you will: + Capture, document,... health, availability, and performance. + Collaborate closely with Systems , Network , Security, and Application teams to… more
    BAE Systems (12/13/25)
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  • System Administrator Lead

    System One (Mclean, VA)
    …NIPRNET, SIPRNET, and JWICS systems , as well as P2P SAR (a SAP system ), infrastructure for approximately 400 users. * Provide O&M support for Special Access ... Job Title: System Administrator Lead Location: Arlington, Virginia... System infrastructure for approximately 150 users. *...Special Access Systems . * Support replication of network file share volumes via Distributed File System more
    System One (12/18/25)
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  • System Administrator (Citrix)

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an experienced full-time on-site System Administrator to support our work as a prime contractor on a high-profile ... systems by interacting with the customer and IT infrastructure teams. As an on-site System Administrator , you will: + Capture, document, and structure… more
    BAE Systems (12/04/25)
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  • System Administrator

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an on-site System Administrator at Washington Navy Yard supporting our work as a prime contractor on a ... the successful candidate to possess and demonstrate. As a System Administrator you will work with a...system deployments + Support the configuration management of systems + Harden Windows/RHEL Servers in accordance with … more
    BAE Systems (11/15/25)
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  • System and Network

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    System and Network Administrator The Opportunity: A well-designed network is critical to move data and enable organizations to achieve their missions, ... working infrastructures, and increase security, reliability, and availability for mission-critical network systems . You'll apply your expertise in routing and… more
    BOOZ, ALLEN & HAMILTON, INC. (11/23/25)
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  • System Administrator

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking anon-site ** System Administrator ** to support our work as a prime contractor on a high-profile US Navy weapon ... incentives may be available based on position level and/or job specifics. ** System Administrator ** **118878BR** EEO Career Site Equal Opportunity Employer.… more
    BAE Systems (12/04/25)
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  • Principal Network Administrator

    BAE Systems (Washington, DC)
    …IT solutions that enable our customers to achieve their missions. As a **Principal Network Administrator ** , you'll play a critical role in providing exceptional ... challenge, we encourage you to apply. As a Principal Network Administrator , you'll be responsible for monitoring... network performance, conducting security assessments, and securing network infrastructure . By joining our team, you'll… more
    BAE Systems (10/30/25)
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  • System Administrator

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking a full-time on-site System Administrator at Washington Navy Yard supporting our work as a prime contractor on a ... system deployments + Support the configuration management of systems + Harden Windows/RHEL Servers in accordance with ...be available based on position level and/or job specifics. ** System Administrator ** **119297BR** EEO Career Site Equal… more
    BAE Systems (12/16/25)
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  • Senior Network / Systems

    GovCIO (Washington, DC)
    network - systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** ... **Overview** GovCIO is currently hiring for a Senior Network / Systems Administrator with an...software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrades systems and/or servers… more
    GovCIO (12/03/25)
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