- CACI International (Colorado Springs, CO)
- Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... Anticipated Posting End: 11/24/2025 **The Opportunity:** CACI is seeking a Senior Systems Administrator in support of the Enterprise Information Technology… more
- Leidos (Centennial, CO)
- **Description** Leidos is seeking a Senior Systems Administrator to support the United States Antarctic Program (USAP). This is an exciting opportunity to ... apply your experience to support our customer's mission. This position is a senior member of the Leidos - Antarctic Support Contract (ASC) Information Technology &… 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 & ... difference in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
- GovCIO (Denver, CO)
- **Overview** GovCIO is currently hiring for a Senior Network/ Systems Administrator with an active Secret clearance. This position will be located in ... USD $112,500.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/4892/ senior -network- systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2024-4892_… more
- BAE Systems (Broomfield, CO)
- …may be available based on position level and/or job specifics. **Cleared IT Systems Administrator Senior ** **115020BR** EEO Career Site Equal Opportunity ... **Job Description** **US CITIZENSHIP REQUIRED** BAE Systems Space and Mission Systems is seeking an experienced Linux System Administrator that will support… more
- BAE Systems (Westminster, CO)
- **Job Description** **US CITIZENSHIP REQUIRED** As a Senior Principal Contract Administrator in the Tactical Solutions contracts department, reporting to a ... incentives may be available based on position level and/or job specifics. ** Senior Principal Contract Administrator ** **115466BR** EEO Career Site Equal… more
- Tri-State Generation and Transmission Association, Inc. (Westminster, CO)
- … I, job grade 6; Contract Administrator II, job grade 7, Contract Administrator III, job grade 8; or Senior Contract Administrator , job grade ... Disability (STD), Employee Assistant Program (EAP) and Paid Leave Benefits. ** Senior Contract Administrator ** Hiring Salary Range: $96,000-$121,000 **Contract … more
- CACI International (Aurora, CO)
- Senior System Administrator Job Category: Information...your work life. More About This Role: As the Systems Administrator on this contract, you will ... Outside Continental US Anticipated Posting End: 12/16/2025 CACI is seeking ** Systems Administrators** with Linux Infrastructure experience to manage and maintain… more
- GovCIO (Denver, CO)
- **Overview** GovCIO is currently hiring for MULTIPLE ** Senior Database Administrator (s)** to support our customer, USPS' Network and Compute Technology (NCT) ... $151,286.99 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6413/ senior -database- administrator mon-tue-off-days/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6413_… more
- GovCIO (Denver, CO)
- …to this job (https://careers-govcio.icims.com/jobs/6348/ senior -linux-system- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position will… more