{"id":1962091,"url":"https://alion.io/job/lumentum-principal-thin-film-process-engineer","title":"Principal Thin Film 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":36,"computed_at":"2026-10-24T06:02:35Z"}},"role":"Semiconductors","role_family":"Semiconductors","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":247000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1829},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ellipsometry","optional":false},{"name":"FMEA","optional":false},{"name":"JMP","optional":false},{"name":"MATLAB","optional":false},{"name":"Minitab","optional":false},{"name":"PVD","optional":false},{"name":"Python","optional":false},{"name":"Statistical Process Control","optional":false}],"status":"live","first_seen_at":"2026-10-06T15:58:27Z","employer_posted_date":"2026-10-06","last_verified_at":"2026-10-22T09:25:13Z","board_verified":false,"closed_at":null,"days_open":18,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":18},"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!\nWe are seeking a Principal Thin Film Process Engineer to serve as a technical lead at our San Jose Wafer Fab. This individual will provide strategic direction and deep technical mastery in Sputter Deposition (PVD) and Electron Beam (EB) Evaporation to scale and sustain High-Volume Manufacturing (HVM). The successful candidate will oversee the stability of complex dielectric, oxide, and metal coatings, ensuring process robustness and scalability in a production environment.\nKey Responsibilities\nSubject Matter Expert (SME) for PVD (DC, RF, Reactive) and EB Evaporation. Leverage extensive hands-on experience in thin-film growth kinetics to manipulate optical, structural, and mechanical properties for complex multilayer stacks.\nProvide high-level technical oversight of vacuum hardware (turbo pumps, MFCs, pressure controllers). Lead the integration of process changes across PLCs and control interfaces to ensure \"Copy Exactly\" matching across the tools.\nDrive Continuous Improvement Projects (CIP) focused on sustaining and enhancing High-Volume Manufacturing. Focus on improving recipe robustness and cycle-time optimization to reduce Cost of Ownership (COO).\nHands on experience in leading complex Root Cause Analysis (RCA) and FMEA for systemic yield detractors. Utilize Pareto Analysis to drive tool-to-tool matching and eliminate in-film defects.\nDevelop automated process health monitors using Python, MATLAB, or JMP and maintain process health for high-volume production, responding to deviations and implementing corrective actions to ensure consistent manufacturing output.\nOwn the end-to-end lifecycle of new equipment procurement, from defining technical specifications and vendor selection to final Site Acceptance Testing (SAT) and HVM qualification.\nPartner with cross function team (include Planning, Quality, and R&D) for new process qualifications and Process Change Notices (PCN).\nActively coach and develop a team of process engineers and technicians, fostering a culture of technical excellence and data-driven decision-making.\nTechnical Skills & Qualifications\nDeposition Expertise: Advanced knowledge of Sputter Coating (DC, RF, Reactive) and EB Evaporation for metals, dielectrics, and oxides.\nFab Experience: Proven track record in a Wafer Fab Manufacturing environment, specifically supporting HVM toolsets and high-uptime requirements.\nStatistical Methodology: Expert-level understanding of SPC, DOE, and FMEA for rigorous process characterization and stability control.\nCharacterization: Advanced proficiency in Ellipsometry, SEM-EDX, TEM, AFM, XPS, FIB, XRR, SAXS, FTIR, and Defect Metrology.\nAnalytical Tools: Data-driven decision-making using Python, MATLAB, JMP, or Minitab for large-scale dataset analysis.\nEducation & Experience\nPh.D. or Master’s degree in Materials Science, Chemical Engineering, Physics, or a related field.\n10+ years of extensive hand-on experience in semiconductor process engineering, specifically with Sputter/PVD and EB Evaporator systems in a high-volume manufacturing.\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. With our continual goal of making Lumentum a best place to work for our employees, we strive to offer employees competitive total compensation packages, which may include annual bonus, commission for certain sales roles, equity, and health and welfare benefits.","description_format":"text","description_chars":3827,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Hardware","Lasers & Laser Systems","Optical Communications","Optics & Photonic Components"],"lifecycle":[{"event":"open","at":"2026-10-06T15:58:27Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 6 · green card filings: 1","filings_12m":6,"filings_prev_12m":13,"green_card_filings_12m":1,"median_offered_wage_usd":148214,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":46,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":0.72,"age_days":17,"expected_fill_days":36,"reasons":["conf:44","stale_co","velocity","win:mid","crowd:brand,attention"],"computed_at":"2026-10-24T06:02:35Z"},"pay":null,"html_url":"https://alion.io/job/lumentum-principal-thin-film-process-engineer","json_url":"https://alion.io/job/lumentum-principal-thin-film-process-engineer.json","meta":{"generated_at":"2026-10-25T00:06:49Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":165,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":5264},"rest":"https://alion.io/mcp/rest/get_company?id=5264"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flumentum-principal-thin-film-process-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Flumentum-principal-thin-film-process-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Flumentum-principal-thin-film-process-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/lumentum-principal-thin-film-process-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flumentum-principal-thin-film-process-engineer"}]}