> Markdown version of [/jobs/ext/4513777-difussion-module-engineer](https://www.wearedevelopers.com/jobs/ext/4513777-difussion-module-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Difussion Module Engineer - **Company:** ON Semiconductor - **Location:** East Fishkill, NY, United States - **Experience:** Experienced - **Salary:** $101,700.0 - $172,700.0 - **Contract:** Permanent contract - **Skills:** Data Analysis, Data Visualization, Statistical Process Control (SPC), Software Troubleshooting, Stable Diffusion - **Published:** November 2, 2026 - **Apply:** https://www.careerbuilder.com/job-details/difussion-module-engineer-hopewell-junction-ny--a39647ef-ebeb-4aea-a349-f86b210ae22a ## About the Role Metrology, Manufacturing, Technical Support, Manufacturing Systems, Manufacturing Operations, System Operations, Process Engineering, Identify Issues, Problem Solving Skills, Operations Processes, * 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. ## Description 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.