Post Fab Technician

Job Description

onsemi is seeking a Post‑Fab Technician in Hopewell Junction, NY. This is a multi‑skilled, hands‑on role responsible for supporting semiconductor manufacturing through equipment maintenance, process execution, and day‑to‑day operations. This position requires a strong willingness to learn semiconductor processes, troubleshoot and maintain manufacturing equipment, and support smooth production flow while adhering to all safety, quality, and cleanroom standards.

onsemi is seeking a Post‑Fab Technician in Hopewell Junction, NY. This is a multi‑skilled, hands‑on role responsible for supporting semiconductor manufacturing through equipment maintenance, process execution, and day‑to‑day operations. This position requires a strong willingness to learn semiconductor processes, troubleshoot and maintain manufacturing equipment, and support smooth production flow while adhering to all safety, quality, and cleanroom standards.

This role is ideal for a technician who enjoys hands‑on technical work, problem‑solving, and working in a high‑precision manufacturing environment. Application Technicians work 12‑hour compressed shifts in a cleanroom environment on the D2 backend schedule.

D1

Schedule:

• Every Sunday, Monday, Tuesday
• Every other Wednesday
• 6:30 AM – 7:00 PM

• Learn, operate, and monitor semiconductor manufacturing processes according to documented procedures
• Assist with process setup, recipe changes, and process optimization under engineering guidance
• Perform inspections, measurements, and basic data collection to ensure process stability
• Identify process deviations and elevate issues to engineering or leadership as required

• Perform preventative maintenance (PM) on semiconductor manufacturing equipment
• Diagnose and troubleshoot equipment issues to minimize downtime
• Assist with equipment repairs, part replacements, and system calibrations
• Maintain maintenance logs and documentation in accordance with company standards
• Support equipment startups, shutdowns, and qualification activities

• Operate production tools safely and efficiently within a cleanroom environment
• Load/unload wafers, materials, and tools in accordance with operating procedures
• Monitor equipment performance, alarms, and system statuses
• Support production goals by maintaining equipment uptime and tool availability
• Follow all safety, ESD, and contamination control guidelines

• Participate in continuous improvement initiatives for process, equipment, and operations
• Work closely with engineers, technicians, and operators across shifts
• Assist with training new team members and documenting procedures
• Maintain a high standard of housekeeping and organization in work areas

• High school diploma or GED with 1-2 years of technical manufacturing experience
• Ability to stand and walk for up to 10-hours per day in a cleanroom environment while wearing coveralls, hoods, booties, safety glasses, and gloves.
• Basic computer literacy, including the use of email, web-based systems, and common office productivity tools (e.g., Microsoft Office applications) to document work, create reports, and communicate with team members.
• Must be self‑motivated, showing initiative and drive to exceed performance expectations.
• Analytical problem‑solving and troubleshooting skills with close attention to detail.
• Ability to work well in a diverse team environment.
• Ability to work with minimal supervision and adjust to rapidly changing priorities.
• Able to speak and write fluently in English.
• Must be able to lift up to 35 lbs.

• Vocational High School, Technical training, or technical trade certificate.
• Proficient in working with hand tools, meters, and calibration tools
• Knowledge of and ability to follow 5S; LEAN is a plus.

Employees in this role may be required to participate in the site Emergency Response Brigade and support emergency preparedness activities. Participation includes maintaining required training, certifications, and response readiness in accordance with site policies and…