• 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 (12/02/25)
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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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  • Tier 3 Network Administrator

    CACI International (Washington, DC)
    Tier 3 Network Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... networks (WAN), Unified Communication (UC), Video telecommunication and Streaming services. As a Tier 3 Network Administrator , you'll be challenged with hard… more
    CACI International (12/11/25)
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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 (12/09/25)
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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 (12/22/25)
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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 (12/09/25)
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  • Citrix Systems Administrator

    Leidos (Bethesda, MD)
    …with customers to handle service inquiries and problems. + Experience working as a Tier 3 system administrator : familiar with using desktop software ... can thrive, keep reading!** Leidos is seeking a Citrix Systems Administrator to support the National Media...of servers located in offsite data centers. + Provide Tier 3 operations support and be able… more
    Leidos (12/03/25)
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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 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 (12/02/25)
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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 (12/02/25)
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  • Sr. Systems Administrator (Linux)

    Themis Insight (Fort Meade, MD)
    …and Private, Civilian and Military expertise to every case. We are hiring a Sr. Systems Administrator (Linux) to work in Fort Meade, MD. Position location is ... capabilities: + Provide support for implementation, troubleshooting and maintenance of IT systems + Provide Tier 1 (Help Desk) problem identification, diagnosis… more
    Themis Insight (12/19/25)
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  • Sccm/Mecm Systems Administrator

    Leidos (Alexandria, VA)
    …following skills:_** + Experience with Tier 2 system administration and/or Tier 3 engineering of Microsoft Endpoint Configuration Manager (MECM) servers and ... operations across multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and Maintenance (O&M)… more
    Leidos (12/08/25)
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  • Systems Administrator (Day Shift)

    General Dynamics Information Technology (Fort Belvoir, VA)
    …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means ... operate. At GDIT, people are our differentiator. As a Systems Administrator you will help ensure today...and remote resolution support for trouble calls, and provide TIER 2/ 3 support of Unix/Windows workstations and… more
    General Dynamics Information Technology (12/18/25)
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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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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... * * **The Opportunity:** CACI is seeking a Senior Systems Administrator to provide support for implementation,...Provide assistance to users in accessing and using IT systems + Provide Tier 1 (Help Desk)… more
    CACI International (12/02/25)
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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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  • 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 (12/20/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Springfield, VA)
    Systems Administrator Location: Springfield, VA, US...resolution, open and maintain tickets, drive updates, coordinate with Tier 2 and Tier 3 ... Job ID: ATR 17769 Job Description Job Title: Systems Administrator Location: Springfield, VA Eligibility: Candidate...you. What You Bring - Experience: - At least 3 years of relevant IT experience in operations, network… more
    Arena Technical Resources, LLC (12/22/25)
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  • 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 ... finalist in 2021! Belay Technologies seeks a Senior System Administrator (SA) to join our Intel team. You will...play a key role in supporting and optimizing IT systems across Linux, Windows and VMware environments. You'll provide… more
    Belay Technologies (11/19/25)
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