• Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator -...Work both independently as well as in coordination with Systems administrators to maintain the smooth operation of a ... about us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to… more
    St. George Tanaq Corporation (11/14/25)
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  • Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Security WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... about us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Security** to support… more
    St. George Tanaq Corporation (11/18/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    Senior Systems Administrator Job...system infrastructure and any processes related to these systems . The Senior Systems ... * * * **The Opportunity:** CACI is seeking a Senior Systems Administrator to provide...Configure and manage primarily Windows and some UNIX operating systems and installs/loads operating system software, troubleshoots,… more
    CACI International (12/02/25)
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  • Senior ServiceNow Administrator

    CACI International (Arlington, VA)
    …and problem-solving skills supporting mission-critical environments. _Desired:_ * ServiceNow Certified System Administrator (CSA) - required or must be obtained ... Senior ServiceNow Administrator Job Category: Information...and features aligned with mission objectives. * Maintain comprehensive system documentation, SOPs, and configuration baselines. * Ensure platform… more
    CACI International (12/02/25)
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  • Senior Billing Administrator

    CVS Health (Washington, DC)
    …and every day. **Position Summary** Under supervision of the Billing Manager, the Senior Billing Administrator is responsible for the processing and distribution ... of the monthly premium invoices. The Senior Billing Administrator must review invoices for...accuracy and make any necessary adjustments in the billing system . They serve as a first point of escalation… more
    CVS Health (12/31/25)
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  • Senior Database Administrator

    Leidos (Camp Springs, MD)
    **Description** Leidos Digital Modernization sector is seeking an ** Senior Database Administrator ** - Hosting to support **USCIS Enterprise Automation & Unified ... integrate automation, cloud, hosting, and unified communications for 30 000+ end‑users. The Senior Database Administrator will be a key member of the Hosting… more
    Leidos (12/06/25)
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  • Senior Systems Administrator

    Chenega Corporation (Arlington, VA)
    **Req ID:** 38512 **Summary** ** Senior Systems Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly ... national security and economic interests of our nation. SecuriGence is seeking a talented ** Senior Systems Administrator ** to help contribute to our success.… more
    Chenega Corporation (12/10/25)
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  • Senior Systems Administrator

    Chenega Corporation (Fort Belvoir, VA)
    Senior Systems Administrator Ft....our Talent Network Senior Systems Administrator Ft. Belvoir, VA C-CHR-24-041 TheSenior System ... administration and information assurance support. Duties and Responsibilities: + Provide systems administration support for the Windows operating system and… more
    Chenega Corporation (12/01/25)
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  • Senior Systems Administrator

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics ... and make a difference in National** **Security!** As a Senior Systems Administrator you will...and Windows environments. + Implement, troubleshoot, and maintain IT systems . + Manage daily IT system configuration… more
    Leidos (11/15/25)
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  • Senior Subcontracts Administrator

    BAE Systems (Mclean, VA)
    **Job Description** BAE Systems is seeking a Senior Subcontracts Administrator to join BAE Systems Intelligence & Security (I&S) team. The individual ... incentives may be available based on position level and/or job specifics. ** Senior Subcontracts Administrator ** **119287BR** EEO Career Site Equal Opportunity… more
    BAE Systems (12/13/25)
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  • Senior Database Administrator

    GliaCell Technologies (Annapolis Junction, MD)
    Are you a Senior Database Administrator / Engineer who is ready for a new challenge that will launch your career to the next level? + Tired of being treated like ... Make It Happen! GliaCell Technologies focuses on Software & System Engineering in Enterprise and Cyber Security solution spaces....amazingly talented people Job Description: GliaCell is seeking a Senior Database Administrator / Engineer on one… more
    GliaCell Technologies (11/06/25)
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  • Senior Systems Administrator

    BAE Systems (Washington, DC)
    …Other incentives may be available based on position level and/or job specifics. ** Senior Systems Administrator ** **118971BR** EEO Career Site Equal ... **Job Description** BAE Systems is seeking ** System Administrators** to...an anticipated decision expected by Q3/Q4 of 2026.** The ** System Administrator ** responsibilities include, but are not… more
    BAE Systems (12/04/25)
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  • Senior Database Administrator

    BAE Systems (Washington, DC)
    …incentives may be available based on position level and/or job specifics. ** Senior Database Administrator ** **118979BR** EEO Career Site Equal Opportunity ... **Job Description** BAE Systems is seeking **Database Administrators** to join our...This effort focuses on providing a comprehensive set of System / Software Engineering and IT Services to maintain, sustain,… more
    BAE Systems (12/04/25)
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  • Senior Linux Administrator

    Leidos (Fort Belvoir, VA)
    …+ IAT II (8570) Certification + Red Hat Certification - Red Hat Certified System Administrator (RHCSA) (Preferred) Come break things (in a good way). Then ... **Description** The DTRA program at Leidos is seeking a ** Senior Linux Administrator ** in **Fort Belvoir, VA**...expected work well as a part of the DTRA Systems Administration team using ITIL best practices as well… more
    Leidos (12/30/25)
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  • Senior ServiceNow Administrator

    GovCIO (Washington, DC)
    **Overview** GovCIO is currently hiring a Senior ServiceNow Administrator /Developer to support our USSS Network Operations and Security Center (NOSC) proposal. ... $140,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6167/ senior -servicenow- administrator -developer/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-DC-_ **ID** _2025-6167_ **Category**… more
    GovCIO (10/22/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team of passionate individuals in ... new and existing systems including the transition and migration of corporate systems * Monitor and report on system health using various dashboarding tools… more
    Amentum (11/20/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers ... day-to-day operational maintenance, support, and upgrades for complex operating systems , workstations and servers. Coordinates, directs and performs complex software… more
    SAIC (11/19/25)
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  • Senior Systems Administrator

    ManTech (Washington, DC)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Systems Administrator ** to join our team in **Washington** **, DC** . **Responsibilities ... of five (5) years of related experience in computer hardware, software, networking systems , and in the set-up, configuration, use, and troubleshooting of computer … more
    ManTech (12/31/25)
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  • Senior Systems Administrator

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Senior Systems Administrator with an active TS/SCI with Poly clearance to join and assist and meet mission needs for our ... do + Manage customer's Risk Management Framework and related systems to ensure optimized performance and security + Support...+ Proficient with Linux. Minimum of 3 years Linux system administration experience (within the last 3 years). +… more
    BigBear.ai (12/30/25)
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  • Senior Security Administrator

    Nightwing (Annapolis Junction, MD)
    …the intelligence community, defense, civil, and commercial markets. Nightwing is seeking a ** Senior Security Administrator ** who will play a critical role in ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (12/29/25)
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