- NANA Regional Corporation (Albuquerque, NM)
- We are seeking an experienced Senior Systems Administrator - Server Operations Lead to support a mission-critical IT security program within a Federal Government ... DOE Q clearance or equivalent is required for consideration. + Minimum 3 years as a Senior Systems Administrator within the last 5 years. + 10+ years (MA/MS) or… more
- Dentons US LLP (Washington, DC)
- Senior Enterprise Messaging Administrator Chicago, IL, USKansas City, MO, USDallas, TX, USSt. Louis, MO, USAtlanta, GA, USDenver, CO, USWashington DC, DC, US Dec ... 12, 2025 ** Senior Enterprise Messaging Administrator ** Dentons US LLP...industry standards. + Administer and provide robust support for Active Directory, EntraID, DNS, and Microsoft Exchange, with a… more
- Leidos (Camp Springs, MD)
- …take ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and ... Joint base Andrews or The Pentagon and requires an active Secret clearance to start. **Primary Responsibilities:** + Full...Degree with 12+ years' experience as a Unix System Administrator - Operational experience with RHEL8 and RHEL9. Additional… more
- Lockheed Martin (Fayetteville, NC)
- **Description:** You will be the Systems Administrator Senior for our team\. Our team is responsible for delivering elite IT services-including hardware and ... enclave\. **What You Will Be Doing** As the Systems Administrator Senior , you will be responsible for...requires special access\. The selected candidate must possess an active Secret clearance to start\. **Basic Qualifications:** An advance… more
- University of Colorado (Aurora, CO)
- ** Senior Database Administrator (Open Rank)** **Description** **University of Colorado Anschutz** **Department: Information Strategy and Services** **Job Title: ... Senior ** **Database Administrator (Open Rank)** **Position #:...NIST 800-171 security controls. + Experience working in a VMWare clustered environment + Experience in UNIX (AIX), RMAN,… more
- The Boeing Company (Herndon, VA)
- …Security (IDT&S) organization Specialized Infrastructure Operations group is currently seeking a ** Senior Systems Administrator ** to join the team in **Herndon, ... meaningful contributions, from the seabed to outer space. The Senior System Administrator will handle system administration...that 5 year updates are no longer required + Active Full Scope Polygraph + Current CompTIA Security+ Certification… 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
- ManTech (Fairmont, WV)
- **MANTECH** seeks a motivated and customer-oriented ** Senior Systems Administrator - Windows/Linux Dual-Stack Specialist** to join our team in **Boulder, CO** . ... securing, and troubleshooting Windows Servers from scratch and designing complex Active Directory environments. + Senior -level experience with Linux system… more
- Belay Technologies (Annapolis Junction, MD)
- …up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Linux System Administrator (SA). The SA provides support for implementation, ... environment includes Microsoft-based servers, databases, and workstations as well as VMware and Linux server instances and an extensive network infrastructure (LAN… more
- RTX Corporation (Tucson, AZ)
- …secure the integrity of our systems and support IT infrastructures around the world. ** Senior System Administrator ** , internally known as Senior Analyst, ... clearance. + Must have Linux or Windows experience. + Experience with Active Directory, VMware , Administration, backup and recovery. **Qualifications We Prefer**… more