Senior Avionics Sourcing Leader — Strategic Buyer

Castelion is seeking a Senior Buyer in Avionics and Strategic Sourcing to define, design, build, and test avionics subsystems. You will engage suppliers, manage schedules, and lead negotiations while ensuring quality and cost targets. This role requires a proven supply chain professional with APICS or Six Sigma background and the ability to obtain a US security clearance. Travel between Torrance, CA and Allen, TX is expected, with close collaboration across engineering, manufacturing, and #J-18808-Ljbffr Next Matter