The NIPR/SIPR System Administrator at Cayuse Technologies is responsible for providing second-tier support to end-users for various IT systems, including PC, server, and mainframe applications. This role involves troubleshooting complex issues that first-tier support cannot resolve, maintaining server and network infrastructure, and ensuring compliance with security protocols. The position supports the US Army Corps of Engineers RITS Program and requires a strong technical background in Windows Server environments and related technologies.