{"id":569260,"url":"https://alion.io/job/coherent-principal-machine-learning-engineer-wafer-fabrication","title":"Principal Machine Learning Engineer – Wafer Fabrication","company":{"id":58506,"name":"Coherent","domain":"coherent.com","url":"https://alion.io/company/coherent-com","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"B","score":84,"open_postings":56,"ghost_share":0,"stale_share":0.839,"repost_share":0,"time_to_fill_p50_days":3,"computed_at":"2026-11-04T06:34:25Z"}},"role":"AI/ML","role_family":"AI/ML","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":158000,"max_usd":327000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":782},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Anomaly Detection","optional":false},{"name":"Design of Experiments","optional":false},{"name":"Edge AI","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"PyTorch C++","optional":false},{"name":"SQL","optional":false},{"name":"TensorFlow","optional":false},{"name":"TensorFlow C++","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"C++","optional":true},{"name":"CUDA","optional":true},{"name":"GCP","optional":true},{"name":"Hadoop","optional":true},{"name":"OCR","optional":true},{"name":"ONNX Runtime","optional":true},{"name":"Spark","optional":true}],"status":"live","first_seen_at":"2026-09-09T00:00:00Z","employer_posted_date":"2026-09-09","last_verified_at":"2026-11-04T06:19:05Z","board_verified":true,"closed_at":null,"days_open":56,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":56},"description":"Primary Duties & Responsibilities\nDevelop and validate models for yield improvement, screening accuracy, and process optimization through application of model selection and hyperparameter tuning.\nCollaborate with Photonics designers and process, reliability and manufacturing engineers to align ML approaches with product objectives and to quantify cost-benefit analysis.\nDeploy AI/ML within manufacturing systems through a combination of Edge AI, API serving, Containerization, and Cloud-based training and inference\nPartner with industrial and MES software engineers to integrate AI/ML pipelines within existing production workflows \nDevelop reusable data pipelines, analytical tools, dashboards, and model-monitoring methods.\nSupport design of experiments, process characterization, and continuous improvement activities.\nHelp establish best practices for ML, and share the practices across the site and other sites.\nSkills\nThe Candidate will have competency in the following areas:\nExpertise in deep learning frameworks such as Pytorch, TensorFlow\nExpertise deep learning architectures such as CNNs, RNNs, GANs\nExpertise in ML methods such as Random Forests and Gradient Boosting\nExperience with clustering, feature engineering, and dimensionality reduction methods\nProficiency in ML model deployment through RESTful APIs, containerization, and container orchestration\nExperience with SQL and modern data-processing or data-platform technologies.\nFamiliarity with statistical methods, experimental design, regression, classification, clustering, anomaly detection, and model evaluation\nProgramming skills in Python and experience with common data-science and machine-learning libraries is a plus\nFamiliarity with high-performance ML inference (CUDA, Libtorch, ONNX Runtime, C++ programming and data structures) is a strong plus\nExperience with cloud-based ML training and inference using AWS, GCP, Azure, or Databrix is a plus\nFamiliarity with machine vision such as defect detection and OCR is a plus\nFamiliarity with big data frameworks such as Hadoop and Spark is a plus\nExposure to manufacturing, wafer fabrication, photonics, telecommunicationsis a plus\nDemonstrated ability to take an analysis from problem definition through deployment, validation, and communication of results.\nEducation & Experience\nThe Candidate will have minimum 5 years of experience with AI, preferably including ML, preferably with experience in statistical analytic techniques, and 3 years experiencein a production environment.\n\nA Bachelor’s degree in Electrical Engineering, Computer Science, Physics, or related field with specialization in Data Science, AI/ML, or Statistics; aMaster’sdegree is preferred.\n\nWorking Conditions\nThe job is on-site for the first three months, with the possibility to convert to hybrid afterwards. The job requires weekly morning hours and occasional evening and weekend hours. Travel to other Coherent sites in the Bay Area and the US may be possible to share knowledge with other experts.\nPhysical Requirements\nSitting or standing for several hours per day, with the option of having a sit-stand desk.\nExtensive keyboard and mouse work.\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":4400,"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":["Electronics Manufacturing","Semiconductor Manufacturing","Lasers & Laser Systems","Optics & Photonic Components"],"lifecycle":[{"event":"open","at":"2026-09-09T11:27:18Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 27 · green card filings: 3","filings_12m":27,"filings_prev_12m":17,"green_card_filings_12m":3,"median_offered_wage_usd":127500,"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":1}],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.193,"p_room":0.28,"age_days":56,"expected_fill_days":3,"reasons":["conf:0","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-11-04T06:34:25Z"},"pay":null,"html_url":"https://alion.io/job/coherent-principal-machine-learning-engineer-wafer-fabrication","json_url":"https://alion.io/job/coherent-principal-machine-learning-engineer-wafer-fabrication.json","meta":{"generated_at":"2026-11-04T17:53:38Z","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_verified","counted_by":"address","units_charged":1,"used_today":27458,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-05T00:00:00Z"}},"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-machine-learning-engineer-wafer-fabrication"},{"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-machine-learning-engineer-wafer-fabrication"},{"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-machine-learning-engineer-wafer-fabrication"},{"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-machine-learning-engineer-wafer-fabrication\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcoherent-principal-machine-learning-engineer-wafer-fabrication"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":569260}},{"tool":"search_jobs","arguments":{"company":"coherent.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":569260},"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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