Equipment Maintenance Technician

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 

• 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. 

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.