# Principal Test & Characterization Engineer — Advanced Photonic and Semiconductor Systems at Western Digital

> Germany · Principal · Software engineering · open. Source: https://alderhq.app/jobs/smartrecruiters%3AWesternDigital%3A744000153493367 (read 2026-11-11).

## Facts (observed)

- Company: [Western Digital](https://alderhq.app/companies/western-digital)
- Location text: Ulm, BW, Germany
- Where it can be done from (inferred): Germany (evidence: "Location: Ulm, BW, Germany")
- Posted: 2026-10-05 (37 days ago)
- First seen by alder: 2026-11-04 · last verified: 2026-11-11
- Reposted: 0 times · edited: 0 times
- Apply on the employer's site: https://jobs.smartrecruiters.com/WesternDigital/744000153493367

## Pay and sponsorship

- Posted pay: not posted
- Market band for similar posted roles (Germany, n 228): p25 €64k, median €85k, p75 €110k
- Licensed UK sponsor: registered as "Western Digital (UK) Limited" (checked 2026-11-09, [register](https://www.gov.uk/government/publications/register-of-licensed-sponsors-workers))

---
Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/smartrecruiters%3AWesternDigital%3A744000153493367 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.