- 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
- 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
- Applied Research Solutions (Washington, DC)
- …developing, and maintaining integrations between cloud-based applications and on-premise systems . You'll work closely with cross-functional teams to ensure seamless ... our awards and recognition program, and personalized attention from ARS Senior Managers. Responsibilities include: + Administer and maintain cloud-hosted application… more
- Tyto Athene (Washington, DC)
- …will be clear and provide sufficient detail for a mid-level system or network administrator to understand what has occurred and what needs to take place to remediate ... with Splunk SIEM. + At least three years of experience working at a senior level, performing analytics examination of logs and console events and creating advance… 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
- 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 (Fairfax, VA)
- …**Job Description:** Transform technology into opportunity as a **Directory Services Engineer / Senior Systems Administrator ** at GDIT. Shape what's next for ... our differentiators. Our work depends on a **Directory Services Engineer / Senior Systems Administrator ** joining our CNIC Applications Support team which… more
- CACI International (Annapolis Junction, MD)
- Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... system infrastructure and any processes related to these systems . The Senior Systems Administrator will Configure and manage primarily Windows and some… more
- EPS Corporation (Dahlgren, VA)
- Senior Systems Administrator (Unix/Linux) - (758) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems ... Technology Job Description EPS Corporation is seeking a highly skilledSenior Systems Administrator (Unix/Linux)to support enterprise-level networks and … more
- 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 system administration...Security+ Certification + 5+ years of experience as a systems administrator + 5+ years of experience… more
- CareFirst (Baltimore, MD)
- **Resp & Qualifications** **PURPOSE:** The Senior Systems Administrator is responsible for assisting with the development and maintenance of unique software ... for efficiency in leveraging the system's platform. Additionally, the Sr. Systems Administrator is responsible for data reporting, configuration, analytics,… 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
- 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 ... and economic interests of our nation. SecuriGence is seeking a talented ** Senior Systems Administrator ** to help contribute to our success. Come help… more
- 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 ... 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
- TekSynap (Dahlgren, VA)
- …is seeking a **S** **enior S** **ystem** ** Administrator (Unix/Linux).** The Senior Systems Administrator (Unix/Linux) serves as Key Personnel under ... support for Unix/Linux environments within the Navy enterprise. The Senior Systems Administratoris responsible forconfiguration, optimization, and sustainment… 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
- 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
