{"id":3400017,"url":"https://alion.io/job/lumentum-principal-optical-process-engineer","title":"Principal Optical Process Engineer","company":{"id":5264,"name":"Lumentum","domain":"lumentum.com","url":"https://alion.io/company/lumentum","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":76,"open_postings":37,"ghost_share":0,"stale_share":0.946,"repost_share":0,"time_to_fill_p50_days":40,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Jose, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":122000,"max_usd":246000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1961},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"FMEA","optional":false},{"name":"JMP","optional":false},{"name":"Minitab","optional":false},{"name":"Photolithography","optional":false},{"name":"Python","optional":false},{"name":"Statistical Process Control","optional":false}],"status":"live","first_seen_at":"2026-10-28T14:07:24Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-10-29T10:15:27Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"It's fun to work in a company where people truly BELIEVE in what they're doing!\nWe're committed to bringing passion and customer focus to the business.\nIf you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!\nJob Description\nWe are seeking a highly accomplished Optical Process Engineer to join our semiconductor manufacturing fab process team in San Jose, California. The successful candidate will play a critical role in advancing our photolithography processes for Lumentum’s optoelectronic solutions supporting cloud, network applications, and the rapidly growing AI market. In this role, you will work in a team environment to maintain existing optical systems and develop unique photolithography process powering Lumentum’s photonics chips.\nJob Duties:\nLead development, optimization, and implementation of photolithography processes for advanced semiconductor manufacturing nodes.\nMaintain Optical Holographic Systems integrating lasers, optics, and hardware components\nDevelop and refine coherent optical systems, including interferometry setups and laser-based architecture.\nPartner with Design, Integration, and Equipment Engineering teams for new product and tool qualifications.\nPerform statistical data analysis and utilize data driven Six Sigma methodologies such as FMEA, Capability Analysis, SPC, DOE, Design for Manufacturing for improving processes, reducing defects and minimizing variations.\nCollaborate closely with cross functional team to meet fab yield targets, improve yield, reduce costs, and minimize cycle time.\nRequirements:\nA Ph.D. or Master's degree in Physics, Electrical Engineering, Materials Science, or a closely related discipline\nHands-on experience with optical bench configuration, assembly of optical components, and routine maintenance protocols is preferred.\nPhotolithography Wafer patterning experience using through Displacement Talbot lithography Method is an advantage.\nFamiliarity with optical inspection equipment, photolithography tools, and cleanroom protocols.\nPrograming experience in Python, VBA macros, LabVIEW, C++ is essential.\nProficient in using statistical tools (e.g., DOE, SPC) and data analysis software (e.g. JMP, Minitab) to optimize process parameters and ensure quality control.\nExcellent communication skills with the ability to work effectively across multiple disciplines and with senior management.\nThis is an on-site position and requires presence at Lumentum's facility during business hours. \nPay Range:\nP70-USA-1 :$134,750.00 - $192,500.00Disclaimer:\nFinal base salary for the successful candidate will depend on multiple factors, including but not limited to, job location, where work will be performed, qualifications, work history and relevant experience. 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