We are seeking an Equipment Maintenance Technician at onsemi's 200 mm manufacturing facility in Gresham, OR. You will serve as a technical authority for critical CMP equipment. You will perform advanced preventive, corrective, and diagnostic maintenance; lead complex recoveries and root-cause investigations; and develop sustainable improvements that increase equipment reliability and manufacturing performance. This role requires deep hands-on tool expertise, sound judgment, strong ownership, and the ability to influence and develop other technicians without relying on day-to-day direction. Candidates must demonstrate a high level of hands-on maintenance and troubleshooting expertise on one or more of the following CMP platforms, with broad working knowledge across the area: • Polishers: • IPEC/Novellus Polishers these include the Momentum Series and 776 Series Polishers • Applied Materials Mirra Polishers. • Cleaners: • LAM Research Ontrak Cleaner • Applied Materials Mesa Cleaner • IPEC/Novellus 7700 Series Cleaner • Extensive knowledge on Slurry Delivery Systems including • Parastaltic • Flow Controllers. • CDS (Chemical Delivery System) • Expert knowledge of air pressured systems and the ability to diagnose and repair air leaks. • Major tool subsystems such as vacuum, robotics, process chambers, controls, and interlocks Key Responsibilities • Independently diagnose and resolve extremely complex equipment and process-related failures using advanced diagnostic methods, schematics, system data, and sound troubleshooting discipline. • Lead difficult tool recoveries and root-cause investigations, document findings clearly, and drive corrective actions through verified closure. • Perform and improve preventive and corrective maintenance, calibrations, repairs, and scheduled tool qualifications with consistently high first-time-right quality. • Interpret equipment, process, SPC, and performance data to identify trends, abnormal conditions, recurring failure modes, and reliability improvement opportunities. • Develop, improve, and standardize PM specifications, troubleshooting guides, best-known methods, checklists, and maintenance systems. • Partner with equipment engineering, process engineering, manufacturing, vendors, and management to develop and execute continuous-improvement plans. • Train and mentor technicians on all aspects of equipment maintenance, advanced diagnostics, safe work practices, documentation, and technical decision-making. • Provide technical leadership across shifts by setting expectations for professional pass downs, data quality, work execution, and follow-through. • Coordinate vendor support and provide clear technical direction during escalations, repairs, upgrades, installations, and qualifications. • Maintain accurate equipment history, repair data, parts usage, and technical documentation in required factory systems. • Associate or technical degree, military technician training, or equivalent maintenance experience. • 10-15+ years of semiconductor equipment technician experience, with demonstrated specialist-level performance on complex manufacturing equipment. • Demonstrated expert troubleshooting and problem-solving capability on CMP equipment, including the ability to connect equipment behavior with process performance. • Ability to work independently, prioritize competing equipment needs, and provide clear technical leadership during high-impact events. • Strong written and verbal communication skills, including complete repair documentation, technical procedures, pass downs, and cross-functional updates. Preferred Qualifications • Associate or bachelor’s degree in engineering or a technical field • Demonstrated expert-level experience on multiple listed Novellus, Applied Materials and LAM Ontrak platforms. • Formal OEM or vendor training on relevant CMP equipment. • Experience leading chronic-failure elimination, equipment improvement projects, installations, upgrades, or major qualifications. • Proficiency with factory systems and data tools used for equipment tracking, parts management, SPC, tool performance analysis, and documentation. • Proven experience training and mentoring technicians across skill levels and shifts.