• Dentons US LLP (Washington, DC)
    Senior Enterprise Messaging Administrator Chicago, IL, USSt. Louis, MO, USDenver, CO, USDallas, TX, USWashington DC, DC, USAtlanta, GA, USKansas City, MO, US Jan ... 10, 2026 ** Senior Enterprise Messaging Administrator ** Dentons US LLP...the latest applications, technologies, and their integration into existing systems , ensuring optimal performance and reliability. **Responsibilities:** + Lead… more
    DirectEmployers Association (12/13/25)
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  • AeroVironment (Arlington, VA)
    …Type** Regular **Job Description** **Job Summary:** The primary role of the Linux System Administrator is to support the full life-cycle management of 24x7 ... and alerting systems + Routine monitoring and integrity verification of system backup + Conduct periodic vulnerability scans to ensure compliance with system more
    DirectEmployers Association (12/24/25)
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  • Tyto Athene (Ashburn, VA)
    …Architect. + Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems ... with a strong emphasis on Amazon Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for the configuration, maintenance, and… more
    DirectEmployers Association (11/01/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... including network infrastructure management (switch deployment & configuration) and system administration in a classified environment. The ideal candidate will… more
    DirectEmployers Association (11/25/25)
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  • AeroVironment (Herndon, VA)
    …role is responsible for resolving highly complex issues across multiple systems , mentoring junior staff, leading process improvement initiatives, and ensuring the ... engineering teams, enterprise architects, and IT leadership to enhance system reliability, user experience, and support effectiveness. **Position Responsibilities**… more
    DirectEmployers Association (01/06/26)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our ... becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services...system security controls. + Provide support to IT systems including day-to-day operations, monitoring and problem resolution for… more
    General Dynamics Information Technology (01/05/26)
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  • 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 IAM Administrator

    Insight Global (Herndon, VA)
    …Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements - 7+ years in a System Administrator or IAM position working in a hands-on ... Job Description This position is for our large software client. The Senior Identity and Access Management (IAM) Administrator is responsible for leading secure,… more
    Insight Global (12/09/25)
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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 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 VMware Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Senior VMware Administrator ** at GDIT. Shape what's next for ... subversive activities. **MEANINGFUL WORK AND PERSONAL IMPACT** As a ** Senior VMWare Administrator ,** the work you'll do...+ **Required Experience:** + 8+ years of experience with systems administration + DoD system accreditation process… more
    General Dynamics Information Technology (01/05/26)
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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 Systems Administrator

    The Boeing Company (Herndon, VA)
    …and Security (IDT&S) organization Specialized Infrastructure Operations group is currently seeking a ** Senior Systems Administrator ** to join the team in ... meaningful contributions, from the seabed to outer space. The Senior System Administrator will handle...Security+ Certification + 5+ years of experience as a systems administrator + 5+ years of experience… more
    The Boeing Company (12/25/25)
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  • Senior Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Senior Systems Administrator to support our customer on the Nautical contract ... CISSP, CISM, or equivalent advanced security certification + Red Hat Certified System Administrator (RHCSA) + Kubernetes certifications (CKA, CKAD) Physical… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
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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 Subcontract Administrator

    System One (Silver Spring, MD)
    Senior Subcontract Administrator Remote System One is currently seeking a motivated/seasoned individual to serve as a Senior Subcontract Administrator ... skills, and demonstrated proficiency in utilizing Cost Point Procurement systems is preferred * US Person/Citizen System ...Procurement systems is preferred * US Person/Citizen System One, and its subsidiaries including Joule, ALTA IT… more
    System One (01/10/26)
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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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  • Lead Senior Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented ** Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... as leading, mentoring, and coordinating with a team of System Administrators. You will play a key role in...or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a… more
    ManTech (12/19/25)
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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 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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