Western Digital is seeking a highly experienced Principal Test Engineer to serve as a technical leader and subject matter expert within our semiconductor manufacturing operations. In this individual contributor role, you will drive test strategy, lead complex failure investigations, and elevate the technical capabilities of cross-functional engineering teams -- influencing outcomes through deep expertise and structured thinking, not headcount.

This is a senior individual contributor position embedded within a fast-paced, high-volume semiconductor manufacturing environment. The Principal Test Engineer does not manage direct reports -- instead, they lead through deep technical authority, influencing engineers and technicians across process and hardware domains to deliver measurable improvements in test yield, reliability, and efficiency. The role demands a practitioner who is equally comfortable designing a test strategy in a planning session and diving ...