- 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
- AeroVironment (Arlington, VA)
- …**Job Description** **Job Summary:** The primary role of the Linux System Administrator is to support the full life-cycle management of 24x7 mission-focused ... This role is responsible for the day-to-day operations of deployed systems , including monitoring, auditing, log review, maintenance, troubleshooting, and after-hours… more
- 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 ... expertise, initiative, and experience supporting a mix of network and systems engineering and administration tasks. Key Responsibilities: Network Design &… more
- 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 join our...anticipated decision expected by Q3/Q4 of 2026.** The **System Administrator ** responsibilities include, but are not limited to: +… more
- 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 ... our best becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services position supporting the NNSA (National Nuclear… more
- 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 ... Travel: Local * * * **The Opportunity:** CACI is seeking a Senior Systems Administrator to provide support for implementation, troubleshooting and… more
- 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
- Chenega Corporation (Fort Belvoir, VA)
- Senior Systems Administrator Ft. Belvoir, VA Join our Talent Network Senior Systems Administrator Ft. Belvoir, VA C-CHR-24-041 TheSenior System ... and information assurance support. Duties and Responsibilities: + Provide systems administration support for the Windows operating system and applications… more
- Leidos (Annapolis Junction, MD)
- **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **Intelligence Sector's (NSS) Cyber & Analytics ... much more. **Join us and make a difference in National** **Security!** As a Senior Systems Administrator you will play a vital role in maintaining the… more
- Leidos (Gaithersburg, MD)
- …Division (IPSD), part of the Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator . As a senior member of our ... key role in managing, securing, and optimizing high-performance, mission-critical systems that directly affect our customers' intelligence and geospatial… more
- 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
- 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...security + Support patching, upgrading, and migrating of Linux systems and VMs. + Support agile activities for … more
- Leidos (Camp Springs, MD)
- …Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3+ years deploying Unix in secured environments, ... 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 (Arlington, VA)
- …Systems Security Certified Practitioner (SSCP) ) Training (DISA-US1390 DCWF Windows Systems Administrator ). + Expert knowledge of Windows Active Directory ... Leidos Digital Modernization Sector is seeking a **_Senior Windows Systems Administrator_** in support of the Air Force National...in lieu of a degree. + 6+ years of Senior level experience in Windows server (Server OS 2019,… more
- Black Bear Technology Solutions, LLC (Adelphi, MD)
- Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows ... within the environment. This role covers the management of enterprise systems , storage, patching, and endpoint solutions across Windows platforms. The role… more
- V2X (Springfield, VA)
- …complex challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server ... the ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall support the Information Technology (IT)… more
- SAIC (Fort Meade, MD)
- …can** **grow your career in a dynamic and supportive environment!** The Systems Administrator (SA) will provide support for implementation, troubleshooting, and ... **Description** SAIC, a leading provider of systems engineering & integration, systems development...leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and… more
- SAIC (Annapolis Junction, MD)
- …be substituted for the degree + Minimum of 14 years of experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is ... **Description** SAIC has an immediate opening for a ServiceNow Administrator in Annapolis Junction, on a very exciting program! In this role you will do many… more
- ASM Research, An Accenture Federal Services Company (Washington, DC)
- …and design. Provides direction to other IT Administrators on the project in a senior administrator capacity. Considered a technical specialist in a variety of IT ... Responsible for unique or complex information systems and/or information technology projects across more than... administrator disciplines. + Responsible for installing, configuring, and maintaining… more
- 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
