onsemi

Semiconductors for intelligent power and sensing

Post Fab Technician

Machine & Process OperationPosted on Nov 3

Full-timeHopewell Junction, NY, USA

About the Job

Requirements

High school diploma or GED and 1–2 years of technical manufacturing experience.
Ability to stand and walk for up to 10 hours per day in a cleanroom while wearing coveralls, hoods, booties, safety glasses, and gloves.
Basic computer literacy, including email, web-based systems, and common office productivity tools such as Microsoft Office applications, to document work, create reports, and communicate with team members.
Analytical problem-solving and troubleshooting skills with close attention to detail.
Ability to work with minimal supervision and adjust to rapidly changing priorities.
Ability to speak and write fluently in English.
Ability to lift up to 35 pounds.
Employees may be required to participate in the site Emergency Response Brigade and maintain required training, certifications, and response readiness in accordance with site policies and business needs.

Responsibilities

Operate production tools safely and efficiently within a cleanroom environment.
Load and unload wafers, materials, and tools in accordance with operating procedures.
Monitor equipment performance, alarms, and system statuses.
Maintain equipment uptime and tool availability to support production goals.
Follow safety, electrostatic discharge (ESD), and contamination control guidelines.
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.
Perform preventative maintenance 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.
Participate in continuous improvement initiatives for processes, equipment, and operations.
Work with engineers, technicians, and operators across shifts.
Assist with training new team members and documenting procedures.
Maintain housekeeping and organization in work areas.
Perform job duties safely and responsibly while supporting Environmental, Health, Safety & Security (EHS&S) programs.

Desired Qualifications

Vocational high school education, technical training, or a technical trade certificate.
Proficiency in working with hand tools, meters, and calibration tools.
Knowledge of and ability to follow 5S and Lean practices.

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.

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

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.

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

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.

Hourly: onsemi is excited to share the base salary range for this position is $16.46 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. https://www.onsemi.com/site/pdf/Benefits-Summary-USA.pdf

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

About the Company

onsemi

Semiconductors for intelligent power and sensing

onsemi designs and manufactures semiconductors with a focus on intelligent power and sensing technologies for automotive and industrial markets. Its products include power management ICs and sensors that regulate energy, monitor conditions, and provide control signals for EVs, ADAS, factory automation, robotics, and energy infrastructure. The company differentiates itself by its specialized emphasis on intelligent power and sensing across both sectors and through its direct OEM relationships and global distributor network. Its goal is to improve energy efficiency and enable smarter, more capable systems for electrification, autonomy, and sustainable energy solutions.

Company size: 10,001+
Company stage: IPO
Headquarters: Scottsdale, AZ
Founded: 1999

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