Senior Avionics PCB Layout Engineer

Castelion Corporation in Torrance, CA is seeking an experienced PCB Layout Engineer to own the layout and release of complex avionics PCBs for hypersonic missile systems. You'll collaborate across engineering disciplines to deliver flight-worthy hardware on aggressive schedules. The role requires deep expertise in high-density multi-layer boards, IPC Class 3/3A, and coordination with vendors for DFM/DFX. You will mentor junior designers and drive layout quality across the team.