- 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...systems , ensuring optimal performance and reliability. **Responsibilities:** + Lead the installation, configuration, and maintenance of email services… more
- Red River (Chantilly, VA)
- …you seek to make those around you successful. We are looking for a ** Systems Support Engineer I** to join our fast-paced, customer-first global service desk team. ... calls and assigned tickets from users experiencing challenges with systems , applications, and infrastructure. Whether working independently or collaboratively, your… more
- ManTech (Chantilly, VA)
- … Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems Administrator , you will be responsible for providing a ... and Auditing. **Responsibilities include, but not limited to:** + Lead and supervise a team of system administrators (Windows/Linux/VMWare)...or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a… 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 ... interests of our nation. SecuriGence is seeking a talented ** Senior Systems Administrator ** to help...ways to maintain a culture where we excel and lead healthy, happy lives. **Corporate citizenship** Chenega MIOS is… 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
- Leidos (Annapolis Junction, MD)
- **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end software, systems… more
- BAE Systems (Sterling, VA)
- …may be available based on position level and/or job specifics. **Database Administrator ( Senior )** **117843BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** BAE Systems , a top-ten prime contractor to the US...all about trust, camaraderie and a shared ambition to lead the world in defense technologies and national security… more
- General Dynamics Information Technology (Falls Church, VA)
- …Family:** IT Infrastructure and Operations **Skills:** Critical Systems ,Enterprise Systems ,Software Updates,System Administration,Technical Issues ... **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for… more
- Amentum (Washington, DC)
- …and integration of systems through database design. The Database Administrator ( Senior ) will administer and test computer databases, applying knowledge ... We are searching for a Top Secret cleared Database Administrator ( Senior ) to join our team in...) is a part of a team that will lead large scale data analysis projects to designs and… more
- 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
- Insight Global (Herndon, VA)
- Job Description This position is for our large software client. The Senior Identity and Access Management (IAM) Administrator is responsible for leading secure, ... across Active Directory, Azure AD, and related services. The Senior IAM Administrator develops and maintains scripts...to other Infrastructure groups (Cloud Operations, Cyber Security, and Systems Administration). * Plan, lead and perform… more
- ARSIEM (Annapolis Junction, MD)
- …you work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end software, systems , ... network engineering services to support Integrated Discovery Operations (IDO). You will lead , evolve, and maintain a dynamic, modern DevOps architecture, often based… more
- CACI International (Arlington, VA)
- Senior ServiceNow Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular ... Type of Travel: Local * * * **The Opportunity:** CACI are seeking a Senior ServiceNow Administrator to provide advanced operations and maintenance (O&M) support… more
- St. George Tanaq Corporation (Suitland, MD)
- …Network Security** to support our federal government customer. The Senior Security Administrator will be the Security Team lead and provide security services ... Senior System Administrator - Network Security...security for federal agencies. + Experience being a team lead or managing/directing others. + Extensive knowledge of NIST… more
- Black Bear Technology Solutions, LLC (Adelphi, MD)
- Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... oversees the installation, configuration, maintenance, and integrity of computing systems and software. The role involves planning, ensuring long-term system… more
- General Dynamics Information Technology (Fort Meade, MD)
- …Required:** Yes **Job Description:** **GDIT is seeking a Senior Tier III Administrator to provide support to Defense Information Systems Agency (DISA) Global ... , you will work closely with your team and Lead to provide vital technical support for the integration...along with a drive for innovation to GDIT. The Senior Tier III Administrator must have:** **Education:**… more
- BAE Systems (Sterling, VA)
- …improve our future and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of ... all about trust, camaraderie and a shared ambition to lead the world in defense technologies and national security...be available based on position level and/or job specifics. ** Systems Administrator ** **117073BR** EEO Career Site Equal… more
- Leidos (Fairfax, VA)
- …as well as IT Infrastructure Operations and Engineering support. Leidos is hiring a Senior Linux System Administrator to provide on-site support in Fairfax, VA ... work independently and as part of a team, performing high-level systems analysis, evaluation, design, integration, documentation, and implementation of complex Red… more
- Amentum (Springfield, VA)
- …Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team of passionate individuals in ... Senior level experience managing and administering Linux/Windows based systems including patching, updates, and configuration management. * Experience with… more
- Amazon (Arlington, VA)
- …lawfully admitted into the US as a refugee or granted asylum. The ideal candidate will lead the team providing the tools and systems needed to design, build, and ... DB and other SAP applications on AWS cloud infrastructure Perform basis administrator configuration activities for new enhancement requests from business and support… more
