Post Fab Technician - Days

About the Role

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.

D2 Schedule: Every other Wednesday, Every Thursday, Friday, and Saturday, 6:30 AM – 7:00 PM

Responsibilities

• Process Support
  • 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 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
• Operations & Manufacturing 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
• 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

Qualifications

• 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

Preferred Qualifications

• 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

Pay

Hourly: onsemi is excited to share that the base salary range for this position is $18.46 to $32.26 exclusive of fringe benefits or potential bonuses. The final pay rate for the successful candidate will depend on geographic location, skills, education, experience, and/or consideration of internal equity of our current team members. We also offer a competitive benefits package.

About Us

onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world's most complex challenges and leads the way in creating a safer, cleaner, and smarter world.