Digital Design Engineer

Quest Defense Systems & Solutions is hiring Digital Design Engineers to develop advanced digital electronics for missile and defense applications. The role involves full‑cycle digital hardware development, including architecture, schematic capture, simulation, testing, and integration of circuit card assemblies with processors, FPGAs, and high‑speed interfaces. Candidates will work onsite in Tucson, AZ on mission‑critical systems and must be U.S. citizens, with security clearance preferred.