Gas Group Engineer
Hopewell Junction, NY, USA
USD 65,800-102,100 / year
Posted on Jun 17, 2026
onsemi is seeking a Gas Systems Engineer at our Hopewell Junction, NY site. This position is responsible for supporting the safe, reliable, and efficient operation of semiconductor facility gas systems. This entry-level role focuses on engineering, monitoring, maintenance support, and continuous improvement of bulk and specialty gas distribution systems for wafer fabrication processes.
This position is a standard Monday - Friday role, with expectations to provide on-call support and occasional off-hours coverage for critical system needs, planned work, or facility emergencies.
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.
More details about our company benefits can be found here:
We are committed to sourcing, attracting, and hiring high-performance innovators, while providing all candidates a positive recruitment experience that builds our brand as a great place to work.
onsemi is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, ethnicity, color, religion, ancestry, national origin, age, marital status, pregnancy, sex, sexual orientation, physical or mental disability, medical condition, genetic information, military or veteran status, gender identity, gender expression, or any other protected category under applicable federal, state, or local laws.
If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact Talent.acquisition@onsemi.com for assistance.
- Bachelor’s degree in Chemical Engineering, Mechanical Engineering, Electrical Engineering, or a related field
- 0–5 years of experience (internship or co-op experience in semiconductor, chemical, or industrial systems preferred)
- Basic understanding of fluid systems, piping, and industrial process equipment
- Strong analytical and problem-solving skills
- Ability to work in a fast-paced, high-reliability manufacturing environment
- Proficiency with Microsoft Office tools
Salary: onsemi is excited to share the base salary range for this position is $65,800 to $102,100 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 the internal equity of our current team members. We also offer a competitive benefits package. https://www.onsemi.com/site/pdf/Benefits-Summary-USA.pdf
- Evaluate system performance and identify opportunities for efficiency improvements, reliability enhancements, and capacity expansion
- Develop and implement engineering solutions, including system upgrades and process modifications
- Drive cost reduction and energy efficiency initiatives
- Participate in troubleshooting complex, mechanical, and process-related system issues in bulk and specialty gas systems
- Perform root cause analysis and implement corrective and preventive actions
- Support capital projects, including new installations, retrofits, and system upgrades
- Develop and review technical documentation such as P&IDs, specifications, and procedures
- Develop and optimize preventive and predictive maintenance programs
- Ensure all gas system operations comply with safety standards, codes, and internal procedures
- Work closely with manufacturing, facilities, and EHS teams to support fab operations
- Coordinate with external vendors and contractors for system maintenance and upgrades
- Provide engineering support for new tool installations and gas tie-ins