• 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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  • 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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  • 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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  • 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 3

    Nightwing (Annapolis Junction, MD)
    …in the intelligence community, defense, civil, and commercial markets. The Systems Administrator will provide support for implementation, troubleshooting and ... systems enhancements to improve reliability and performance. System Administrator (SA) shall possess the following capabilities: Provide support for… more
    Nightwing (09/22/25)
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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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  • Senior High Performance Computing (HPC)…

    BAE Systems (Annapolis Junction, MD)
    …Policy management, mailbox management, enterprise-leve, multi-site design and architecture + Support Tier 3 Infrastructure services such as: DNS, NIS, Active ... and architecture + Enterprise Active Directory/Centrify Zone management (creation, update, RBAC) + Tier 3 Infrastructure support for services such as DNS, NIS,… more
    BAE Systems (09/09/25)
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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 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 & Analytics ... us and make a difference in National Security!** **Job Summary:** Systems /Network administrator will provide support for implementation, troubleshooting and… more
    Leidos (09/20/25)
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  • System Administrator 3

    DCCA (Annapolis Junction, MD)
    System Administrator 3 Location Annapolis Junction, MD Job Code 2127 # of Openings 1 Apply Now ... and benefits package. Visit our website at: www.dcca.com System Administrator 3 Candidate must have an active...Key Tasks: DCCA is looking for TS/SCI w/Polygraph cleared Systems Administrators with Linux and Windows experience! We have… more
    DCCA (11/17/25)
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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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  • 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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  • 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 (08/23/25)
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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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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    …capabilities: + Provide support for implementation, troubleshooting and maintenance of IT systems + Provide Tier I (Help Desk) problem identification, diagnosis ... System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time...Provide assistance to users in accessing and using IT systems + Provide Tier I (Help Desk)… more
    Synergy ECP (10/22/25)
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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

    CACI International (Annapolis Junction, MD)
    …a wide variety of IT systems . We are hiring a seasoned System Administrator - Level 3 to provide advanced technical leadership and hands-on support for ... System Administrator Job Category: Information Technology Time Type: Full...across diverse platforms + Provide Tier 1, Tier 2, and Tier 3 more
    CACI International (10/30/25)
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  • System Administrator (Level 4)

    Kaizen Approach, Inc (Annapolis Junction, MD)
    …across client, server, storage, network, and mobile systems . You will provide Tier 1 through Tier 3 support for problem identification, diagnosis, ... Kaizen Approach is currently seeking a Systems Administrator to provide implementation, troubleshooting,...possess the ability to perform Tier 1, Tier 2, and Tier 3 more
    Kaizen Approach, Inc (11/11/25)
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