• 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)

    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 (11/25/25)
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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 (11/27/25)
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  • Tier 3 Unified Communications…

    CACI International (Washington, DC)
    Tier 3 Unified Communications Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with ... great team and make a difference. **Responsibilities:** As a Tier 3 UC Admin, you will bring:...bring: + Technical knowledge of VoIP / PBX telephony systems , software, hardware, Telecommunications standards, and Cisco Unified Communications… more
    CACI International (10/25/25)
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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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  • 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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  • Systems Administrator 3 (Unix…

    Oracle (Washington, DC)
    …We are looking for someone who flourishes working in large-scale, distributed systems and is always looking to identify and implement standard processes and ... management tasks. + Deploy, set up, and maintain testing environments. + Provide Tier III and other support per service request, complete cyber validation and… more
    Oracle (11/25/25)
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  • Mid-Level Systems Administrator

    The Boeing Company (Herndon, VA)
    …(IDT&S) organization Specialized Infrastructure Operations group is currently seeking a **Mid-Level Systems Administrator ** to join the team in **Herndon, VA; ... Chantilly, VA;** or **Fairfax, VA** . As a Systems Administrator , you will play a crucial...with system administration of complex infrastructure and software development systems + 3 + years of experience with… more
    The Boeing Company (11/19/25)
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  • Junior Systems Administrator

    SOS International LLC (Reston, VA)
    …**Job Description** 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… more
    SOS International LLC (11/21/25)
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  • Senior Linux Systems Administrator

    The Boeing Company (Fairfax, VA)
    …United States Infrastructure Operations (SUSIO) group is currently seeking a **Senior Linux Systems Administrator ** to join the team in **Herndon, VA; Fairfax, ... VA;** or **Chantilly, VA** . As a Senior Linux Administrator , you will play a crucial role in maintaining...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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  • Windows Linux Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …General Dynamics Information Technology (GDIT) is looking for a skilled **IT Systems Administrator ** with experience in Microsoft enterprise environments to ... in a dynamic and mission-focused environment. In this role, you'll **provide Tier II support and systems administration** across multiple large-scale… more
    General Dynamics Information Technology (10/14/25)
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  • Senior Windows Systems Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows Systems ... and oversee MECM implementation and operations. + Resolve complex technical issues and provide Tier 3 support as necessary. + Implement and enforce ARL security,… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Sr Mac Systems Administrator

    SAIC (Washington, DC)
    …role is based in DC and is 100% onsite. **Duties will include:** + Provides Tier 3 - level support. + Develop, deploy, and maintain custom scripts, policies, and ... **Description** SAIC is hiring for a Sr System Administrator who specializes in Mac Systems ...Citizen. + Bachelors and 5+ years or Masters and 3 + years experience is required. 12+ years of relevant… more
    SAIC (10/21/25)
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  • Tier 3 Help Desk Support Engineer

    Koniag Government Services (Washington, DC)
    …a highly qualified, experienced and self-motivated individual to perform the duties of a Tier 3 System Administrator to support a potential future business ... Koniag IT Systems LLC, a Koniag Government Services company, is...opportunity located in Washington, DC. **The ideal Tier 3 System Administrator will:**… more
    Koniag Government Services (10/16/25)
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  • System Administrator 4

    M. C. Dean (District Of Columbia, DC)
    …for physical security systems + Triage customer support calls, providing Tier 3 escalation as needed + Communicate with customers, manufacturers, vendors, ... PSIM (Physical Security Information Management), and other Integrated Electronic Security Systems . A Systems Administrator 4 position is a SME/team lead… more
    M. C. Dean (09/26/25)
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  • Salesforce Administrator with Data Loader…

    ICF (Reston, VA)
    …and resolve platform issues involving security, automation, workflows, and integrations. + Provide Tier 2/ Tier 3 support for escalated technical cases. + ... Administrator - Qualifications** **Basic Qualifications** + Active Salesforce Administrator certification. + 3 + years of hands-on experience administering… more
    ICF (11/22/25)
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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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