Sigma Defense, through their JNOTEC (SDS Juno Technologies) division, is seeking a Network Engineer IV for positions in Honolulu, Hawaii and San Diego, California. This is a full-time, on-site role requiring US citizenship and an active DoD-issued Secret security clearance or higher. The position requires CCNA certification and focuses on network engineering within a defense context. The role offers opportunities to work on critical network infrastructure projects in key military locations. This position is ideal for experienced network professionals looking to contribute to defense-related networking projects while working with advanced security clearance requirements.