Photolithography Equipment Maintenance Technician Day Shift

onsemi is seeking an Equipment Maintenance Technician - Photolithography for its 200mm manufacturing facility in Gresham, Oregon. In this role, you will work in a dynamic team environment to sustain and improve semiconductor manufacturing equipment within the Photolithography process area. You will perform preventive, corrective, and diagnostic maintenance while supporting safe operation, equipment availability, product quality, and production priorities. 

This is a Sr. Tech position for Front End shift 1 pm to 1 am (Sun- Tues/Wed) Night shift 15% included 

The primary equipment set includes ASML PAS5500 (400/700/1150) scanners, Nikon i14 steppers, TEL ACT8 coat/develop tracks, DNS 200W coat/develop tracks, and DNS 80A/B/EX scrubbers.

• Perform scheduled preventive maintenance, corrective maintenance, equipment recovery, calibration, and diagnostic troubleshooting per released procedures, maintenance specifications, and equipment manuals.
• Use schematics, hand tools, electrical gauges, digital multimeters, and common test equipment to diagnose and repair electrical, mechanical, pneumatic, robotic, vacuum, and control-system issues.
• Monitor equipment performance, identify root causes, and recommend actions that improve tool reliability, availability, mean time between failures, and maintenance effectiveness.
• Dismantle, adjust, repair, replace, and qualify equipment assemblies and components using approved methods and safety practices.
• Respond to production priorities and equipment events while maintaining clear communication with technicians, engineers, production personnel, and process partners.
• Maintain accurate equipment logs, repair history, preventive-maintenance records, parts usage, and shift passdowns.
• Follow all cleanroom, chemical, electrical, lockout/tagout, ergonomics, and environmental health and safety requirements.
• Participate in continuous-improvement activities, including equipment upgrades, procedure improvements, part sourcing, in-house repair, cost reduction, and downtime reduction.
• Support equipment and process qualifications following maintenance, repairs, upgrades, and installations.
• Provide technical guidance, share knowledge, and provide hands-on training to other technicians as experience and qualifications allow.
• Other duties as assigned.

• Electromechanical technology, industrial maintenance, robotics, semiconductor manufacturing technology, or a related technical discipline; equivalent military or directly related technical training may be considered.
• Eight or more years of experience as an equipment maintenance technician in semiconductor manufacturing or a comparable high-technology manufacturing environment.
• Hands-on maintenance experience with one or more Photolithography equipment platforms, preferably ASML PAS5500 scanners, Nikon i14 steppers, TEL ACT8 tracks, DNS 200W tracks, or DNS 80A/B/EX scrubbers.
• Practical knowledge of electrical, electronic, mechanical, pneumatic, robotic, vacuum, and equipment-control systems.
• Ability to read and interpret electrical diagrams, mechanical drawings, pneumatic diagrams, schematics, maintenance specifications, and equipment manuals.
• Methodical troubleshooting and root-cause problem-solving skills with strong attention to detail.
• Good written and verbal communication skills and the ability to work effectively in a team environment.
• Ability to work independently with general guidance, manage competing priorities, and appropriately escalate equipment or safety concerns.
• Ability to work a compressed shift schedule, including nights, weekends, and holidays, as required by the assigned position.
• Ability to work in a cleanroom environment, wear required personal protective equipment, and lift up to 50 pounds.
• Knowledge of Photolithography process fundamentals, equipment mechanics, overlay, focus, critical-dimension control, coat/develop processing, and defect-reduction practices.
• Emphasis on ASML PAS5500 scanner experience.
• Experience using equipment data, statistical process control, fault history, and maintenance records to evaluate tool health and recurring failures.
• Experience writing or improving preventive-maintenance procedures, troubleshooting guides, best-known methods, and technical passdowns.
• Experience supporting equipment installations, conversions, upgrades, or acceptance and qualification activities.
• Knowledge of Lean, Six Sigma, Overall Equipment Effectiveness, and semiconductor manufacturing principles.
• Experience training or mentoring equipment maintenance technicians.

Area Equipment: 

• Photo: TEL ACT8 tracks, DNS 200W tracks, DNS 80A/B/EX scrubbers, ASML PAS5500 (400/700/1150) scanners, and Nikon i14 steppers.
• Prefer ASML PAS5500 scanner experience.