• Dentons US LLP (Washington, DC)
    Senior Enterprise Messaging Administrator Chicago, IL, USSt. Louis, MO, USKansas City, MO, USWashington DC, DC, USDenver, CO, USAtlanta, GA, USDallas, TX, US Dec ... 12, 2025 ** 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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  • Senior Windows Systems

    Leidos (Arlington, VA)
    …Security+ or Systems Security Certified Practitioner (SSCP) ) Training (DISA-US1390 DCWF Windows Systems Administrator ). + Expert knowledge of Windows ... The Leidos Digital Modernization Sector is seeking a **_Senior Windows Systems Administrator_** in support of the...in lieu of a degree. + 6+ years of Senior level experience in Windows server (Server… more
    Leidos (01/07/26)
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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...Sign On. + Enterprise Provisioning: Configure new Linux and Windows systems for customer use and ensuring… more
    General Dynamics Information Technology (01/05/26)
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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 ... anticipated decision expected by Q3/Q4 of 2026.** The **System Administrator ** responsibilities include, but are not limited to: +...and maintain the infrastructure that powers networks and operating systems such as UNIX, Linux, and Windows .… more
    BAE Systems (12/04/25)
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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 Linux Systems

    Leidos (Camp Springs, MD)
    …(SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3+ years deploying Unix in secured ... Leidos Digital Modernization Sector is seeking a **_Senior Linux Systems Administrator_** in support of the Air Force National...our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in… more
    Leidos (12/20/25)
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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 ... monitoring tools + Configure and manage virtual machines, containers, storage systems , and networking components in secure cloud environments + Implement and… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
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  • Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Operation Center WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to support… more
    St. George Tanaq Corporation (11/14/25)
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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 ... hosting, and unified communications for 30 000+ end‑users. The Senior Database Administrator will be a key...services. **Primary Responsibilities:** + Design, implement, and maintain database systems within Windows , Unix, and Linux hosting… more
    Leidos (12/06/25)
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  • Senior Integrator- Windows Server…

    SAIC (Washington, DC)
    …position will provide support, implementation, and design services for Windows -based systems across the enterprise. The Senior Integrator will be responsible ... **Description** The Senior Integrator will provide systems integration...Perform Root Cause Analysis and Problem Management for the Windows systems and tools. + Improve existing… more
    SAIC (01/06/26)
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  • Sr. Systems Administrator

    Arena Technical Resources, LLC (Washington, DC)
    …system (DBMS) products . Address all vulnerabilities identified via system scanning Systems Administrator Senior Advisor Requirements and Qualifications . ... Sr. Systems Administrator Location: Washington, DC, US.... Secret Clearance to start Required Technical Skills: . Senior Level system administrator skills required .… more
    Arena Technical Resources, LLC (10/25/25)
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  • Systems Administrator (Tier 2…

    Chenega Corporation (Washington, DC)
    Systems Administrator (Tier 2 Support - ServiceNow) Washington, DC Join our Talent Network Systems Administrator (Tier 2 Support - ServiceNow) ... career to the next level! Chenega Agile Realtime Solutions (CARS) is seeking a Systems Administrator (Tier 2 Support - ServiceNow) to provide technical support… more
    Chenega Corporation (12/11/25)
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  • UNIX Administrator

    ASM Research, An Accenture Federal Services Company (Annapolis, MD)
    …Operating System **Other Job Specific Skills** + Advanced knowledge of Microsoft Operating Systems and products that include Microsoft Windows , Windows ... and implements high availability solutions and plans data migrations between systems . **Primary Duties and Responsibilities** + Performs Red Hat installation and… more
    ASM Research, An Accenture Federal Services Company (10/18/25)
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  • Information Systems Senior Manager

    General Dynamics Information Technology (Washington, DC)
    …Family:** IT Infrastructure and Operations **Skills:** Information Systems ,Information Technology (IT) Systems ,Information Technology Security,Leadership,People ... **Job Description:** **Job Description** Transform technology into opportunity as an **IT Systems Manager** with GDIT. A career in enterprise IT means connecting and… more
    General Dynamics Information Technology (11/25/25)
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  • Senior Endpoint Device Engineer…

    Leidos (Washington, DC)
    …software analysis, design, development, and test of specific requirements related to Windows and mobile operating systems for endpoint device management. + ... and deployment of Exchange Online, OneDrive, SharePoint Online, MS Teams and Windows 11 OS, ensuring compliance with FISMA, SP800-53 Rev5, and M-22-09 Zero… more
    Leidos (12/10/25)
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  • Identity and Access Management Senior

    General Dynamics Information Technology (Washington, DC)
    …of security protocols and standards. . Relevant certifications (eg, Azure/AWS Administrator , Windows Server Hybrid Administrator , MCSE). REQUIRED ... **Job Family:** IT Infrastructure and Operations **Skills:** Access Management,Complex Systems Design,Single Sign-On (SSO), Systems Design **Certifications:** Certified… more
    General Dynamics Information Technology (11/01/25)
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  • Senior Principal Directory Services…

    General Dynamics Information Technology (Washington, DC)
    …control methodologies. . Relevant certifications (eg, Azure/AWS Admin, Azure/AWS Security, Windows Server Hybrid Administrator , MCSE) REQUIRED . Clearance Level ... IT Infrastructure and Operations **Skills:** Active Directory (AD),Azure Active Directory (AD), Systems Design, Systems Engineering **Experience:** 10 + years of… more
    General Dynamics Information Technology (11/01/25)
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  • Senior IT Infrastructure Engineer

    Lumen (Annapolis, MD)
    …world and shape the future. **The Role** We are seeking a highly skilled Senior IT Infrastructure Engineer to join our Internal Network Services team. This role is ... planning, designing, implementing, and maintaining enterprise-level network and infrastructure systems to ensure reliability, scalability, and security across the… more
    Lumen (01/07/26)
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  • Senior Endpoint Migration Engineer

    Leidos (Odenton, MD)
    …+ Active DoD Secret clearance + Demonstrated experience troubleshooting and administering Windows operating systems + Strong problem-solving skills and acute ... **Description** Leidos is seeking an experienced ** Senior Endpoint Migration Engineer** to join our Defense...with the UEM team to ensure documentation for the systems , applications, and endpoint migration process are up to… more
    Leidos (11/22/25)
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  • Principal Systems Engineer - active TS/SCI…

    V2X (Suitland, MD)
    …the ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior -level Principal Systems Engineer shall lead a diverse, multi- disciplinary ... Productivity and Global Information Assurance Certification (GIAC) GIAC Certified Windows Security Administrator (GCWN) certified. + Technical certifications… more
    V2X (11/15/25)
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