Junior Network Administrator, Analyst, Tucson, AZ – Onsite (3 openings)

This entry-level network administration position sits within Raytheon Digital Technology’s Classified Infrastructure Services organization in Tucson, Arizona. The administrator will help operate and improve networks involving routers, switches, firewalls, authentication systems, encryption equipment, and related management tools across classified and unclassified work areas. Responsibilities include network monitoring, equipment upgrades, configuration, documentation, vendor coordination, analysis, and support during occasional evenings or weekends. The position suits someone with early-career networking or IT systems administration experience who is comfortable working onsite in secure environments and following established procedures. RTX provides support toward Security+ and CCNA certifications, making the role appropriate for a developing network professional with an active U.S. government clearance.