{"id":3235622,"url":"https://alion.io/job/lumentum-principal-product-engineer","title":"Principal Product 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":77,"open_postings":42,"ghost_share":0,"stale_share":0.905,"repost_share":0,"time_to_fill_p50_days":40,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Backend","role_family":"Backend","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":150000,"max_usd":300000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1231},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"JMP","optional":false},{"name":"SQL","optional":false},{"name":"Statistical Process Control","optional":false}],"status":"closed","first_seen_at":"2026-10-22T00:00:00Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-11-04T17:43:36Z","board_verified":false,"closed_at":"2026-11-04T17:43:36Z","days_open":13,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":13},"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!\nAbout Lumentum\nAt Lumentum, we’re building the tech behind the world’s fastest networks and most advanced systems. Our optical and photonic solutions power everything from AI and cloud computing to data centers, telecom, and advanced manufacturing.\nWe’re a global team of innovators working where light meets technology, solving big challenges that keep the world connected and moving forward. If shaping the future of connectivity excites you, you’ll fit right in.\nWhy You’ll Love This Role\nWe are seeking an experienced and dynamic Sr. Principal Product Engineer to lead product engineering activities within the Global Test organization of Component Business Unit. These activities spans multiple locations in the United States, United Kingdom, Thailand, Malaysia, Hong Kong, and China.\nThis senior technical leadership role will work closely with R&D, Test Engineering, Manufacturing, Quality, and Operations teams to develop and implement yield-improvement initiatives across product design, manufacturing processes, and test operations.\nThe ideal candidate will have extensive experience with high-volume optical-component production, product and test engineering, manufacturing processes, data analytics, and statistical analysis. The candidate will provide technical leadership, promote collaboration, and drive timely decisions and execution across global teams.\nWhat You’ll Be Doing\nLead product engineering activities for Lumentum’s high-volume optical components products in partnership with R&D, Test Engineering, Manufacturing, Quality, and Operations teams.\nDevelop and execute yield-improvement strategies using NPI and production data.\nDrive improvement initiatives across product design, manufacturing processes, test methods, and operations.\nEstablish product and production-test specifications, test coverage, and stage-gate criteria in collaboration with R&D and Test Engineering.\nAnalyze NPI and production lots, DOE, pre and post-qualification data to evaluate yield and Cpk performance.\nLead test-time reduction, test-coverage optimization, and failure-analysis activities.\nSupport tester-to-tester correlation, customer-tester correlation, Gauge R&R, SPC, production-trend analysis, test-specification guard bands, and excursion management.\nPerform correlation studies between P-run and Q-run lots and communicate findings to key stakeholders.\nPartner with Test Engineering to identify test-system issues and support corrective actions during product bring-up.\nLead root-cause analysis and corrective-action activities for product, process, and test-related issues.\nSupport product launches, production ramps, and continuous-improvement programs.\nPrepare and present technical reports, recommendations, and action plans for stakeholder review and approval.\nMentor engineers and provide technical guidance across global product and test engineering teams.\nWhat We’re Looking For\nEducation:\nBachelor’s or Master’s degree in Electrical Engineering, Computer Science, or a related field. A master’s degree is preferred.\n\nCore Requirements:\nFifteen or more years of experience in product engineering, test engineering, manufacturing engineering, or a related technical field.\nStrong experience with large-scale data analytics, statistical analysis, data querying, and data manipulation. Experience with tools such as JMP, SQL, MES, etc.\nExtensive hands-on experience with high-volume optical-component manufacturing and testing.\nProven track record in yield improvement, test-time reduction, test optimization, manufacturing-process improvement, and product ramp-up.\nExperience with DOE, Cpk, SPC, Gauge R&R, correlation analysis, and failure analysis.\nStrong problem-solving, analytical, strategic-thinking, and decision-making skills.\nAbility to influence and lead cross-functional teams without direct authority.\nExcellent written and verbal communication skills across different cultures, geographies, and organizational levels.\nWillingness to travel internationally approximately once per quarter.\nPerks You’ll Love\nFlexible time off\nHealth and wellness benefits (physical and mental)\nTuition reimbursement and career growth support\nA workplace built for you: free gym, games room, prayer room\nSubsidized meals, free coffee/tea\nEmployee stock options and incentive plans\nA collaborative, innovative, and inclusive culture\nJoin a Team That’s Shaping the Future\nAt Lumentum, we’re more than just a workplace-we’re a launchpad for creativity and innovation. We’re committed to celebrating your unique talents and helping you grow. Our guiding principles-Innovate, Engage, Deliver, Excel, and Win-aren’t just words; they’re the heart of what we do.\nLet’s Build a Brighter Future Together!\nWe’re committed to building an inclusive workplace where everyone feels valued and empowered. We welcome applicants from all backgrounds and provide accommodations for individuals with disabilities throughout the hiring process. Your uniqueness makes us stronger, sparks creativity, and drives our success.\nPlease contact us  request accommodation.\nJoin us-your future starts here!\nPay Range:\nP80-USA-1 :$149,900.00 - $214,150.00Disclaimer:\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":5917,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity","Flexible time off","Stock options"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Lasers & Laser Systems","Optical Communications","Optics & Photonic Components"],"lifecycle":[{"event":"open","at":"2026-10-25T11:15:41Z"},{"event":"close","at":"2026-11-04T17:43:36Z"}],"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":"2026-10-29T16:27:21+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":null,"pay":null,"html_url":"https://alion.io/job/lumentum-principal-product-engineer","json_url":"https://alion.io/job/lumentum-principal-product-engineer.json","meta":{"generated_at":"2026-11-06T08:55:27Z","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":16012,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-07T00:00:00Z"}},"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-product-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-product-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-product-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-product-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flumentum-principal-product-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3235622}},{"tool":"search_jobs","arguments":{"company":"lumentum.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3235622},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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