[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) ON Semiconductor · Hopewell Junction, NY # Diffusion Module Engineer Hopewell Junction, NY, United States $101,700 to $172,700 Operations Listed on ON Semiconductor ’s official careers site. Posted October 28, 2026. Check that it is still open and apply there. [Apply on ON Semiconductor ’s careers site →](https://hctz.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1001/job/2507052) [OpenNash Jobs](https://jobs.opennash.com/) / [ON Semiconductor ](https://jobs.opennash.com/companies/on-semiconductor/) / Diffusion Module Engineer ## Job description \* Posting Description for Internal Candidates onsemi is seeking a highly motivated and technically skilled Diffusion Module Engineer to join our manufacturing team in Hopewell Junction, NY. This position will serve as a key technical resource supporting metrology systems and manufacturing operations during evening production hours. The successful candidate will partner closely with Operations, Process Engineering, Equipment Engineering, Manufacturing, and Quality teams to rapidly identify, troubleshoot, and resolve issues impacting production performance. This role will focus on driving equipment performance, process stability, defect reduction, productivity improvements, and continuous operational excellence. Responsibilities for Internal Candidates ### Key Duties and Responsibilities Own day-to-day engineering support for assigned thin film tools and processes during evening manufacturing operations. Mentor and Train technicians and junior engineers in troubleshooting methodologies and best practices. Provide rapid technical response to process excursions, tool alarms, quality events, and production-impacting issues. Partner with manufacturing supervisors and technicians to maintain stable production operations. Develop and maintain process control strategies, monitoring plans, and escalation procedures. Create and maintain engineering documentation, procedures, specifications, and training materials. Qualifications for Internal Candidates Qualifications Education Bachelor's Degree in Engineering, Physics, Materials Science, Chemistry, Electrical Engineering, Mechanical Engineering, or related technical field. ### Experience 3+ years of semiconductor manufacturing experience preferred. Experience supporting metrology, process engineering, equipment engineering, yield engineering, or manufacturing engineering functions. Experience with statistical process control (SPC), data analysis, and structured problem solving. Experience working in a high-volume manufacturing environment preferred. ### Technical Skills Semiconductor manufacturing processes and equipment knowledge. Root cause analysis and troubleshooting methodologies. Statistical analysis and process control techniques. Data visualization and analysis tools. Continuous improvement methodologies. Strong written and verbal communication skills. Ability to manage multiple priorities in a fast-paced manufacturing environment. ### Salary onsemi is excited to share the base salary range for this position is $101,700 to $172,700 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.pd](https://www.onsemi.com/site/pdf/Benefits-Summary-USA.pd) Same Posting Description for Internal and External Candidates ## At a glance - Posted by the employer: Oct 28, 2026 - First seen by OpenNash: Nov 1, 2026 - Last checked: Nov 8, 2026 - Listed for: 11 days - Location: Hopewell Junction, NY, United States - Pay: $101,700 to $172,700[Apply on ON Semiconductor ’s careers site →](https://hctz.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1001/job/2507052) ## Hiring at ON Semiconductor - Open jobs: 716 - New in the last 7 days: After two weekly collections - Tracked since: Jul 10, 2026 [All ON Semiconductor jobs](https://jobs.opennash.com/companies/on-semiconductor/) · [Weekly hiring report](/reports/hiring/) ## More jobs at ON Semiconductor ### [Engineering Hiring Event](https://jobs.opennash.com/companies/on-semiconductor/jobs/a2d63bf2c52a347583cc/) Hopewell Junction, NY, United States ### [FA Equipment and REL Test Engineer](https://jobs.opennash.com/companies/on-semiconductor/jobs/3e43988a1ecc1811cb99/) Hopewell Junction, NY, United States ### [Integration Engineer - BCD Technology](https://jobs.opennash.com/companies/on-semiconductor/jobs/724767d9ca4a57a2d4dc/) Hopewell Junction, NY, United States ### [Integration Engineering Manager](https://jobs.opennash.com/companies/on-semiconductor/jobs/c7bfdf976555d0219bf7/) Hopewell Junction, NY, United States ## Similar jobs at other companies ### [Ocotillo Technology Fabrication DSIRE (Diffusion) Module Engineer](https://jobs.opennash.com/companies/intel/jobs/5ff0b95b425f895aed3d/) Intel · US, Arizona, Phoenix ### [Senior Equipment Engineer - Diffusion](https://jobs.opennash.com/companies/globalfoundries/jobs/1a277586fa6673864025/) GlobalFoundries · Malta, NY, US ### [Diffusion Equipment Engineer](https://jobs.opennash.com/companies/micron-technology/jobs/b7bbfbad3ca630bc8bf1/) Micron Technology · Boise, ID - Main Site ### [Diffusion Equipment Technician - Night shift](https://jobs.opennash.com/companies/texas-instruments/jobs/bc92f798b11063418a0a/) Texas Instruments · Richardson, TX, United States [Jobs in Hopewell Junction, NY](/locations/us/ny/hopewell-junction/)[Jobs in New York](/locations/us-ny/)[Operations jobs](/functions/operations/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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