- CACI International (Colorado Springs, CO)
- Linux Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of ... ongoing basis. **The Opportunity:** CACI is looking for a Linux Administrator to support the Department of...in a secure location managing devices on a SIPR network + Experience with RMF and STIG requirements +… more
- Northrop Grumman (Aurora, CO)
- …Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... mission, we will support yours by expanding your personal network and developing skills, whether you are new to...be limited to the following: + Perform as primary Linux Systems Administrator for a classified government… more
- Leidos (Aurora, CO)
- **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... us and make a difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where you'll provide crucial support for the… more
- Insight Global (Colorado Springs, CO)
- …Description A company in the Colorado Springs, CO areas is looking for a qualified Linux System Administrator with a Top Secret clearance to join their team ... supporting a DoD program. The System Administrator will work to maintain multi-user computer systems, including coordination with network administrators to… more
- GovCIO (Denver, CO)
- …/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6348_ **Category** _IT Infrastructure & Network Engineering & ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position… more
- RTX Corporation (Aurora, CO)
- …for a security clearance **Security Clearance:** TS/SCI with Polygraph **Sr. Principal Linux System Administrator , Aurora, CO, must have active TS/SCI - ... a Raytheon program in a classified environment as a Senior Principal Linux System Administrator . + Responsibilities include building, maintaining, and securing… more
- GovCIO (Denver, CO)
- **Overview** GovCIO is hiring a Windows and Linux System Administrator (Senior) to support Veterans Affairs operational needs. The role requires AWS, Windows, ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6366/ linux -system- administrator %2c-senior-%28remote%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6366_… more
- GovCIO (Denver, CO)
- **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows) to provide on-going support for the administration of the core system ... administrator --%28linux-windows%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6239_ **Category** _IT Infrastructure & Network Engineering & Operations_… more
- Lockheed Martin (Highlands Ranch, CO)
- …alongside a plethora of technical employees including but not limited to; Windows/ Linux system administrators, storage and network engineers, IT project ... position is for a Multi\-Functional Systems Analyst to support both Windows\- and Linux \-based systems for the Orion program in the Space Business Area\. The… more
- Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
- …solutions to our nation and global customers. Kratos is looking for a Network Administrator 4 to provide multi-disciplined support to a classified facility ... as other duties traditionally within the system administration spectrum such as network administration, desktop support, and inventory control as well as generally… more