Post Fab Technician Day Shift 1

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. 

Day 1 Schedule: Sunday, Monday, Tuesday, and every other Wednesday 6:30 AM – 7:00 PM

Sign on Bonus: $5,000 

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 business needs.

Operations Support

• 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

Process Support

• Learn 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 escalate issues to engineering or leadership as required

Equipment Maintenance

• 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

Continuous Improvement & Team Collaboration

• 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


• Perform all job duties in a safe and responsible manner, supporting all Environmental, Health, Safety & Security (EHS&S) programs