• Systems Administrator - Tier

    GovCIO (Fairfax, VA)
    …/Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/4592/ systems - administrator tier - 3 ... **Overview** GovCIO is currently hiring for a System Administrator - Tier 3 Support with an active Secret clearance in support of our DEA Bluestone program.… more
    GovCIO (09/02/25)
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  • Pr./System Admin - Shift Work (Top Secret) - Space…

    Northrop Grumman (Chantilly, VA)
    …empathy, and respect . Current Security+ or IAT Level 2 certification _Principal Systems Administrator_ . ** Tier 3 :** Bachelor's degree with 5 ... they're making history. We have an opening for a ** Tier 2/ 3 System Administrator ** to...Level 2 certification **Preferred Qualifications:** . Red Hat Certified Systems Administrator (RHCSA) certification . Experience with… more
    Northrop Grumman (11/15/25)
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  • Systems Administrator ( Tier

    William C Brown Inc (Springfield, VA)
    Systems Administrator ( Tier 2...and other ISP Contractor Stakeholders when IT issues require Tier 3 escalation or have dependencies external ... protected by law. Description WCBinc is looking for a Systems Administrator ( Tier 2 Desktop...equivalent combination of years of experience and education and 3 + years of prior relevant experience. Location: On Customer… more
    William C Brown Inc (11/13/25)
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  • Network Administrator Tier 2…

    Koniag Government Services (Chantilly, VA)
    …paid holidays, three weeks paid time off, and more. The Tier 2 Network Administrator supports the Tier 3 Network team by assisting in the maintenance, ... a Koniag Government Services company, is seeking a Network Administrator Tier 2 (Network Operations Center) to...network reliability and performance while escalating complex issues to Tier 3 or Tier 4… more
    Koniag Government Services (10/24/25)
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  • Senior Cloud Systems Administrator

    BAE Systems (Sterling, VA)
    **Job Description** We are looking for a highly skilled Senior Cloud Systems Administrator to join our visible technical program driving the Model Based ... environment + Maintain complex modern cloud architectures + Support Tier 3 and Tier 4...based on position level and/or job specifics. **Senior Cloud Systems Administrator ** **115946BR** EEO Career Site Equal… more
    BAE Systems (09/09/25)
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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system maintenance, ... by troubleshooting escalated issues, restoring service, and escalating to Tier 3 as needed. + Directly assist...be available based on position level and/or job specifics. ** Systems Administrator ** **117073BR** EEO Career Site Equal… more
    BAE Systems (10/08/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI ... ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall support the Information Technology (IT) Operations… more
    V2X (11/15/25)
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  • Linux/UNIX Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …highly technical and mission focused. This ideal candidate is ready to operate as a TIER 3 level Linux Administrator , experienced in managing large amounts ... innovative, simple solutions to complex problems as a Linux/UNIX Systems Administrator at GDIT. Here, you'll tailor...attached storage, and the networks they utilize + Provide Tier 3 problem identification, diagnosis and resolution… more
    General Dynamics Information Technology (10/11/25)
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  • Systems Administrator - Geospatial…

    General Dynamics Information Technology (Springfield, VA)
    …visits and upgrades, provide on-site and remote resolution support for trouble calls, and provide TIER 2/ 3 support of production systems . + Systems ... Yes **Job Description:** Transform technology into opportunity as a Systems Administrator Advisor with GDIT. A career...of the client/server/storage/network devices, mobile devices, etc. + Provide Tier 2 and Tier 3 more
    General Dynamics Information Technology (08/26/25)
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  • Systems Administrator

    William C Brown Inc (Springfield, VA)
    Systems Administrator EOE Statement We are...all of the client/server/storage/network devices, mobile devices, etc.* Provide Tier 2 and Tier 3 ... protected by law. Description WCBinc is looking for a Systems Administrator to join our team to...and remote resolution support for trouble calls, and provide TIER 2/ 3 support of Unix/Windows workstations and… more
    William C Brown Inc (10/14/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos has an exciting opening for you as our next Tier 2 Service Desk/ Systems Administrator . Your job will be supporting as a Linux ... administrator to provide system maintenance, systems performance...team environment while demonstrating strong cross functional collaboration across Tier 3 and ISP teams. Individuals in… more
    Leidos (11/15/25)
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  • Systems Administrator (2nd shift)

    General Dynamics Information Technology (Mclean, VA)
    …for a Systems Administrator . The candidate is a systems administrator with a strong aptitude to troubleshoot Tier 1 technical problems in real-time ... System (MAAS). This position requires 2nd Shift work - 2:00pm - 10:00pm. **HOW A SYSTEMS ADMINISTRATOR WILL MAKE AN IMPACT:** + Work with collaborative teams to… more
    General Dynamics Information Technology (11/13/25)
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  • Junior Systems Administrator

    SOS International LLC (Reston, VA)
    **Overview** SOSi is seeking a dedicated and technically skilled **Junior Systems Administrator ** to join our dynamic IT team supporting our government customer. ... This role primarily focuses on handling Tier 2 service desk tickets, providing in-depth technical support, and maintaining systems across a secure network… more
    SOS International LLC (11/13/25)
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  • Lead Security Systems Administrator

    Lumen (Herndon, VA)
    …system administration supporting all levels from tier 1 user desktop support to tier 3 backend server and network support + Hands on experience managing ... committed to teamwork, trust and transparency. People power progress. We're looking for top- tier talent and offer the flexibility you need to thrive and deliver… more
    Lumen (11/07/25)
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  • System Administrator

    Chenega Corporation (Oakton, VA)
    …security and economic interests of our nation. SecuriGence is seeking an experienced Systems Administrator to help contribute to our success. If you enjoy ... System Administrator Oakton, VA . Information Technology Join our...headquartered in Leesburg, VA, provides mission-critical services in Cybersecurity, Systems Engineering and Integration, IT Operations Support, Software Development,… more
    Chenega Corporation (11/12/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …for physical security systems + Triage customer support calls, providing Tier 3 escalation as needed + Communicate with customers, manufacturers, vendors, ... Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic...and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you… more
    M. C. Dean (10/23/25)
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  • Network Administrator II - Shift 2B

    CACI International (Springfield, VA)
    Network Administrator II - Shift 2B Job Category: Information...(10pm to 6am Tuesday - Saturday) **Responsibilities:** + Provide Tier 2 and Tier 3 ... Type of Travel: Local * * * **The Opportunity:** The Network Administrator will provide support for implementation, troubleshooting and maintenance of IT networks.… more
    CACI International (10/30/25)
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  • Network Administrator II

    William C Brown Inc (Springfield, VA)
    Network Administrator II EOE Statement We are an equal employment...and devices. What You'll Get to Do: + Provide Tier 2 and Tier 3 problem ... protected by law. Description WCBinc is looking for a Network Administrator to provide support for implementation, troubleshooting and maintenance of IT… more
    William C Brown Inc (09/01/25)
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  • Network Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a Mid-level Forward Deployed Network Administrator to join our Network Engineering Team within the Engineering Operations group at ... VA location. This role supports critical network infrastructure through advanced systems administration and troubleshooting tasks. The ideal candidate will be… more
    Leidos (11/15/25)
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  • Systems Engineer (Expert)

    BAE Systems (Herndon, VA)
    …a master's degree and 9 years' of experience in the following required areas: + Troubleshooting Tier 3 , and Tier 4 tickets + Experience working with Server ... **Job Description** BAE Systems , a top-ten prime contractor to the US...premise, and via remote Cloud services. As a mission-focused administrator that solves problems on the program, you will… more
    BAE Systems (09/09/25)
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