Celestica is seeking a Senior Engineer in Valencia to lead the mechanical development of ruggedized electronic systems. You will act as the focal point for design decisions and coordinate with international engineering teams, ensuring seamless integration of VPX 3U-based systems, thermal management, and MIL-STD-810 compliance. Based in Spain, you will mentor a small local team, manage BOMs, and drive design validation plans while aligning with project milestones.