About The Position

onsemi is seeking an Equipment Maintenance Technician for its 200mm semiconductor manufacturing facility in Gresham, Oregon. The technician works in a dynamic team environment performing preventive, corrective, and diagnostic maintenance on semiconductor manufacturing equipment, with a focus on Thin Films platforms. The role requires advanced hands-on troubleshooting expertise on one or more listed platforms and broad working knowledge of Thin Films tool subsystems. The position is Shift B: Sunday, Monday, Tuesday, and every other Saturday, 7:00 PM–7:06 AM, with an additional 15% night-shift differential. The technician leads complex equipment recoveries and investigations, improves maintenance practices and equipment reliability, provides technical leadership and mentoring across shifts, coordinates vendor support, and maintains accurate repair and equipment documentation.

Requirements

  • Associate or technical degree, military technician training, or equivalent maintenance experience.
  • At least 2 years of semiconductor equipment technician experience, with demonstrated specialist-level performance on complex manufacturing equipment.
  • Expert troubleshooting and problem-solving capability on Thin Films equipment, including connecting equipment behavior with process performance.
  • Ability to work independently, prioritize competing equipment needs, and provide technical leadership during high-impact events.
  • Strong written and verbal communication skills, including repair documentation, technical procedures, pass-downs, and cross-functional updates.
  • High-level hands-on maintenance and troubleshooting expertise on one or more Thin Films platforms, with broad working knowledge across the area.
  • Working knowledge of Thin Films platforms and subsystems, including Novellus Concept Two (SPEED, SEQ, ALTUS), Applied Materials (Endura, Centura, Producer), vacuum, gas delivery, RF/plasma, temperature control, robotics, process chambers, pumps, abatement interfaces, controls, and interlocks.

Nice To Haves

  • Expert-level experience on multiple listed Novellus and Applied Materials platforms.
  • Formal OEM or vendor training on relevant Thin Films equipment.
  • Experience leading chronic-failure elimination, equipment improvement projects, installations, upgrades, or major qualifications.
  • Proficiency with factory systems and data tools for equipment tracking, parts management, SPC, tool performance analysis, and documentation.
  • Proven experience training and mentoring technicians across skill levels and shifts.

Responsibilities

  • Independently diagnose and resolve complex equipment and process-related failures using diagnostic methods, schematics, system data, and disciplined troubleshooting.
  • Lead difficult tool recoveries and root-cause investigations, document findings, and drive corrective actions through verified closure.
  • Perform and improve preventive and corrective maintenance, calibrations, repairs, and scheduled tool qualifications.
  • Interpret equipment, process, SPC, and performance data to identify abnormal conditions, recurring failure modes, and reliability improvement opportunities.
  • Develop, improve, and standardize preventive-maintenance specifications, troubleshooting guides, best-known methods, checklists, and maintenance systems.
  • Partner with equipment engineering, process engineering, manufacturing, vendors, and management on continuous-improvement plans.
  • Train and mentor technicians in equipment maintenance, advanced diagnostics, safe work practices, documentation, and technical decision-making.
  • Provide technical leadership across shifts, including expectations for pass-downs, data quality, work execution, and follow-through.
  • Coordinate vendor support and provide technical direction during escalations, repairs, upgrades, installations, and qualifications.
  • Maintain accurate equipment history, repair data, parts usage, and technical documentation in factory systems.
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