- Leidos (Colorado Springs, CO)
- …Qualifications** + Extensive experience with Tier 2 system administration and/or Tier 3 engineering of Linux based servers/systems. + Strong experience with ... **Description** Leidos is seeking a Senior System Administrator to maintain a large enterprise IT contract...customers to handle service inquiries and problems in a Tier 2 role. Duties include examining complex customer problems… more
- CACI International (Colorado Springs, CO)
- …unified communication (UC), Video telecommunication, and streaming services. **Responsibilities:** As a Tier 3 NOC Network Engineer, you'll be challenged with ... Network Administrator - Site Survey and Install Support Job...Posting End: 9/1/2025 **The Opportunity:** The Enterprise Communications Services 3 (ECS3) program supports our intel customers across its… more
- Sierra Nevada Company, LLC (Lone Tree, CO)
- …have a strong understanding of enterprise applications, Windows Server, SQL Server Database setup, configuration and management, and Networking concepts. + Hands on ... servers, networking, and software in the cloud + Maintain a large n- tier production environment, ensuring high availability of mission critical systems. + Work… more