{"id":1922847,"url":"https://alion.io/job/coherent-principal-foundry-quality-engineer","title":"Principal Foundry Quality Engineer","company":{"id":58506,"name":"Coherent","domain":"coherent.com","url":"https://alion.io/company/coherent-com","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"A","score":89,"open_postings":29,"ghost_share":0,"stale_share":0.655,"repost_share":0,"time_to_fill_p50_days":3,"computed_at":"2026-10-08T05:49:30Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Fremont, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":108000,"max_usd":216000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1343},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Microsoft Office","optional":false}],"status":"live","first_seen_at":"2026-10-05T16:05:09Z","employer_posted_date":"2026-10-05","last_verified_at":"2026-10-09T02:46:45Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Primary Duties & Responsibilities\nLead the development of predictive quality methodologies that align supplier PCM data with Coherent device designs, wafer-level test results, reliability performance, and factory yields. Identify yield and performance issues not detected by foundry PCM monitoring and partner with foundries to implement enhanced test structures, monitoring strategies, and process controls that improve correlation and early detection of manufacturing risks.\nPartner with internal engineering teams and external wafer foundries to develop and implement comprehensive foundry quality processes and procedures for Coherent Silicon Photonic PIC Products.\nUtilize Quality Metrics and KPIs from die testing and transceiver assembly/test sites to derive predictive quality metrics (e.g. defect density, yield, escapes, corrective action effectiveness) and drive preventive measures internally and from the PIC foundries.\nParticipate in the Materials Review Board with factory quality and engineering partners to disposition discrepant material and document routine troubleshooting process flows for improved efficiency.\nApply AI and big data techniques to analyze foundry quality data, predict trends, and recommend corrective actions.\nPerform quality and process audits of new and existing foundries to assess compliance to industry standards and assess product quality and reliability risk.\nLead root cause investigations and collaborate with process integration, device engineering, reliability, and foundry teams to implement corrective actions, drive specification changes, resolve process issues, and manage material disposition through the CCB process.\nParticipate in new product design for quality and reliability (DfQnR) reviews and Failure Mode Effects and Analysis (FMEA).\nSupport PIC qualification activities for new PIC products, foundry qualifications, and ongoing improvements.\nEducation & Experience\nBS/MS/PhD in Material Science, Physics, Electrical Engineering, or equivalent field.\n5+ years of experience in CMOS or Silicon Photonics foundry process technology development, foundry technology interface, or related fields and technology nodes.\nSkills\nStrong interpersonal, teaming, and problem-solving skills.\nWork effectively with other members of Coherent Corp within the US and Asia counterparts. \nExcellent communication skills and ability to influence individuals with diverse backgrounds.\nProficiency in Semiconductor Device Physics and Defect Mechanism analysis.\nProficiency in analytical tools for data analysis and MS Office\nFamiliarity with optical device manufacturing preferred, including: Lasers\nModulators\nPhotodetectors\nOptical switches\nCo-packaged optics\nOptical transceivers\n\nWorking Conditions\nAbility to travel domestically and internationally as required.\nOffice environment with regular interaction in laboratory and manufacturing settings.\n\nOccasional domestic and international travel to suppliers and manufacturing sites may be required.\n\nPhysical Requirements\nAbility to work in laboratory and manufacturing environments, including extended periods of sitting, standing, and use of standard lab equipment.\nSafety Requirements\nAll employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.\nQuality and Environmental Responsibilities\nDepending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.\nCulture Commitment\nEnsure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.:\nIntegrity - Create an Environment of Trust\nCollaboration - Innovate Through the Sharing of Ideas\nAccountability - Own the Process and the Outcome\nRespect - Recognize the Value in Everyone\nEnthusiasm - Find a Sense of Purpose in Work\nCoherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.\nIf you need assistance or an accommodation due to a disability, you may contact us at .","description_format":"text","description_chars":4404,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Metals & Metallurgy","Metal Fabrication","Consumer Electronics","Telecommunications"],"lifecycle":[{"event":"open","at":"2026-10-05T18:45:34Z"}],"visa":[],"liveness":{"score":37,"band":"fade","label":"Fading","p_open":1,"p_active":0.492,"p_room":0.75,"age_days":2,"expected_fill_days":3,"reasons":["conf:0","stale_co","velocity","win:late","comp:brand"],"computed_at":"2026-10-08T05:49:30Z"},"pay":null,"html_url":"https://alion.io/job/coherent-principal-foundry-quality-engineer","json_url":"https://alion.io/job/coherent-principal-foundry-quality-engineer.json","meta":{"generated_at":"2026-10-09T04:29:38Z","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","counted_by":"address","units_charged":1,"used_today":4186,"day_limit":5000,"remaining_today":814,"minute_limit":60,"resets_at":"2026-10-10T00:00:00Z"}},"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":58506},"rest":"https://alion.io/mcp/rest/get_company?id=58506"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcoherent-principal-foundry-quality-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%2Fcoherent-principal-foundry-quality-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%2Fcoherent-principal-foundry-quality-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/coherent-principal-foundry-quality-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcoherent-principal-foundry-quality-engineer"}]}