• Credence (Mclean, VA)
    …code reviews, ensuring code quality, security, and maintainability. Requirements Must possess IT-II / Tier 3 / NACLC / ANACI / Moderate Risk eligibility or have ... Develop and maintain integrations between ServiceNow and other enterprise systems using various integration methods (eg, REST, SOAP). Design,...a current Tier 3 or equivalent investigation. Bachelor's degree… more
    Talent (11/22/25)
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  • 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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  • 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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  • 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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  • 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 IV - Pipeline…

    COMSO, Inc (Fort Meade, MD)
    Systems Administrator IV - PIPELINE (TS/SCI w/ POLYGRAPH)...etc. + Provides Tier 1 (Help Desk) and Tier 2 and Tier 3 (Escalation) problem ... systems enhancements to improve reliability and performance. The Level 4 Systems Administrator shall possess the following capabilities: + Provide support… more
    COMSO, Inc (09/02/25)
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  • Systems Administrator I - Pipeline…

    COMSO, Inc (Fort Meade, MD)
    Systems Administrator I - PIPELINE (TS/SCI w/ Polygraph)...etc. + Provides Tier 1 (Help Desk) and Tier 2 and Tier 3 (Escalation) problem ... enhancements to improve reliability and performance. The Level 1 Systems Administrator shall possess the following capabilities:...the daily activities of configuration and operation of IT systems + Provide Tier 1 (Help Desk)… more
    COMSO, Inc (09/02/25)
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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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  • Senior Systems Administrator

    Belay Technologies (Annapolis Junction, MD)
    systems + Manages the daily activities of configuration and operation of IT systems + Provides Tier 1 (Help Desk) problem identification, diagnosis and ... in 2020 and a finalist in 2021! Belay Technologies seeks a Senior System Administrator (SA) to join our intel team. The SA provides support for implementation,… more
    Belay Technologies (11/19/25)
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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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  • 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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