{"id":363073,"url":"https://alion.io/job/onsemi-senior-post-fab-module-engineer-mosfet","title":"Senior Post Fab Module Engineer (MOSFET)","company":{"id":58717,"name":"onsemi","domain":"onsemi.com","url":"https://alion.io/company/onsemi","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"B","score":78,"open_postings":205,"ghost_share":0,"stale_share":0.859,"repost_share":0.005,"time_to_fill_p50_days":35,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hopewell Junction, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":127800,"max":217200,"currency":"USD","period":"year","gross":null,"usd_annual":217200},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"FMEA","optional":false},{"name":"Statistical Process Control","optional":false}],"status":"live","first_seen_at":"2026-04-29T00:00:00Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-11T00:24:34Z","board_verified":true,"closed_at":null,"days_open":196,"trust":{"level":"stale","repost_count":1,"flags":["stale"],"days_open":195},"description":"We are seeking a highly motivated and experienced semiconductor Senior Module Engineer to join our growing 300mm Post Fab team in East Fishkill, NY. This role is critical to our ability to improve device performance and drive best in class trenchMOSFET Technology as we develop new products and ramp volume manufacturing. Job role requires an Engineer who is ready to step in as a leader withing the Team and who has experience in wafer thinning, ultra-thin wafer handling, backside metallization, and managing stress and thermal effects on thinned wafers.\n Responsibilities:\nOwns the process roadmap and module technology direction in EFK’s BGBM Post Fab.\nSets process standards across tools and areas of our line as go-to expert with site-level authority to improve our manufacturability of our MOSFET and IGBT technologies in our Post Fab back-grind, back-metallization line. \nOwner of control plans, PFMEA and risk mitigation plans for thin wafers to enable robust high-volume manufacturing. Includes leading the scaling from development to high volume manufacturing to global replication.\nEvaluate and qualify new materials, processes, and equipment for our Post Fab back-end wafer operations.\nTroubleshoot process issues and implement corrective actions to improve yield and device performance.\nAs Tool Owner lead tool matching and variation reduction; own process windows across multiple platforms, and interface directly with suppliers on tool roadmaps.\nSelf-manage technical projects and provide technical team leadership to other Engineers in the organization.\nCommunicate clear project plans and results to senior management.\nCollaborate with cross-functional teams including R&D, Quality, and Manufacturing to support new product introductions.\nRaise overall backend technical capability and influence engineering culture through the mentorship of multiple engineers in organization.\nAnalyze process data and apply statistical methods to drive continuous improvement.\nEnsure compliance with safety and quality standards.\n Education / Experience:\nBachelor’s or higher degrees in Chemical Engineering, Mechanical Engineering, Electrical Engineering, Materials Science, Physics, or related degree.\n10 years of direct work experience in the semiconductor industry with specific experience in back-end processing of wafers. Including experience with operations such as wafer thinning, Al/Ti/NiV/Ag backside metallization stacks, and managing stress and thermal effects on thinned wafers.\nSkills:\nStrong understanding of semiconductor device physics and back-end wafer processes. \nProficient in SPC, DOE, and data analysis tools. \nDemonstrated success in yield, throughput, and cost improvement initiatives.\nProficient with structured problem-solving tools and how to apply them to lead improvement actions that result in positive technology and business outcomes.\nFamiliarity with standard metrology, inspection, and failure analysis techniques.\nAbility to own, lead, and drive product development and technology improvement.\nSelf-motivated, detail-oriented, and results-driven.\nStrong communication skills, both written and verbal, and a collaborative mindset.\nAbility to work effectively in a team and provide hands-on support and mentorship to other Engineering and Operations staff.\nSalary: onsemi is excited to share the base salary range for this position is $127.800 to $217,200 exclusive of fringe benefits or potential bonuses. The final pay rate for the successful candidate will depend on geographic location, skills, education, experience, and/or consideration of the internal equity of our current team members. We also offer a competitive benefits package. https://www.onsemi.com/site/pdf/Benefits-Summary-USA.pdf","description_format":"text","description_chars":3734,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Analog & Power Semiconductors","Machine Vision & 3D Cameras"],"lifecycle":[{"event":"open","at":"2026-09-05T19:45:35Z"},{"event":"close","at":"2026-11-06T15:29:19Z"},{"event":"reopen","at":"2026-11-09T23:58:06Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.273,"p_room":0.28,"age_days":195,"expected_fill_days":35,"reasons":["conf:0","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-11-10T06:52:35Z"},"pay":{"stated_usd_annual":217200,"is_top_pay":true},"html_url":"https://alion.io/job/onsemi-senior-post-fab-module-engineer-mosfet","json_url":"https://alion.io/job/onsemi-senior-post-fab-module-engineer-mosfet.json","meta":{"generated_at":"2026-11-11T01:59:52Z","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":608,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":58717},"rest":"https://alion.io/mcp/rest/get_company?id=58717"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fonsemi-senior-post-fab-module-engineer-mosfet"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fonsemi-senior-post-fab-module-engineer-mosfet"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fonsemi-senior-post-fab-module-engineer-mosfet"},{"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/onsemi-senior-post-fab-module-engineer-mosfet\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fonsemi-senior-post-fab-module-engineer-mosfet"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":363073}},{"tool":"search_jobs","arguments":{"company":"onsemi.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":363073},"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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