- Lockheed Martin (Sunnyvale, CA)
- …more than 570 facilities that span more than 70 countries\. We are hiring a Linux System Administrator , Sr to support daily IT operations in our Sunnyvale, CA ... primary IT support for a classified environment, with a focus on our Linux environment\. Priority consideration will be given to qualified candidates who are… more
- ManTech (Fort Meade, MD)
- Mantech seeks a motivated, career and customer-oriented **Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will ... perform system capacity analysis and planning. + Configure and manage Linux operating systems; install and maintain OS software; implement system enhancements… more
- ManTech (Aurora, CO)
- **MANTECH** is seeking a ** Linux ** **System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT Modernization effort ... issues at Tier 1 and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and perform… more
- ManTech (Aurora, CO)
- **MANTECH** seeks a motivated and customer-focused ** Linux ** **System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ... issues at Tier 1 and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and perform… more
- ManTech (Fort Meade, MD)
- ManTech seeks a **Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems; install, load, and enhance OS software for… more
- RTX Corporation (Richardson, TX)
- …supporting a Raytheon program in a classified environment as a **Principal** ** Linux System Administrator in Richardson, TX.** Responsibilities include building, ... GSEC, SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux + Experience with patching, creating/maintaining RPM packages, performance tuning,… more
- ManTech (Laurel, MD)
- **MANTECH** seeks a motivated, career and customer-oriented ** Linux ** **System Administrator ** to join our team in **Laurel, MD** at Emerson 8. ... type and complexity is required. + Must be proficient with troubleshooting in a Linux Red Hat environment + IAT II certification (DOD 8140 required within 60 days… more
- RTX Corporation (Richardson, TX)
- …supporting a Raytheon program in a classified environment as a **Sr. Linux System Administrator ** . Responsibilities include building, maintaining, and securing ... GSEC, SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux + Experience with patching, creating/maintaining RPM packages, performance tuning,… more
- ManTech (Fort Meade, MD)
- **ManTech** seeks an experienced and passionate, career and customer-oriented ** Linux System Administrator ** to join our team located in the Fort Meade, MD area. ... of developing and testing of information technology systems + Experience with Linux administration + Experience using Ansible or comparable tools + Experience… more
- MSys Inc. (Lansing, MI)
- Job summary: Title: Lead Linux /Network Administrator - Hybrid Location: Lansing, MI, United States Length and terms: Long term - W2 or C2C Position created on ... 12/01/2025 07:50 pm Job description: In perison interviews; initial PO for 1 year and usually the project goes for 3-5 years with this customer Hybrid 2 days a week onsite Position Summary: + Coordinate and integrate system data models and design to promote… more