Post Fab Engineer
SWIR Vision Systems
Hopewell Junction, NY, USA
Posted on Mar 18, 2026
onsemi is seeking a Post-Fab Engineer in Hopewell Junction, East Fishkill, NY. We are seeking a highly motivated entry-level engineer to join our 300mm Post-Fab team in East Fishkill, NY. This role is critical to ensuring the quality and efficiency of our semiconductor manufacturing processes as we ramp into volume manufacturing.
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.
Education/Experience:
- Bachelor’s or master’s degree in Mechanical Engineering, Chemical Engineering, Electrical Engineering, Materials Science, Physics, or related degree
- Experience – 0 to 2 years of relevant experience
Skills:
- Self-motivated, detail-oriented, and results-driven.
- Strong communication skills and a collaborative mindset.
- Ability to work effectively in a team and provide hands-on support to operations staff.
Salary: onsemi is excited to share the base salary range for this position is $75,300 to $120,400 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
Responsibilities:
- Learn, maintain, and create the necessary tool and process controls to support Post-Fab tooling in production to achieve quality standards
- Work in close collaboration with shift Operators and Technicians Teams to maintain and improve the processes and tools utilized in post-fab production
- Engage with the team to lead and work on continuous improvement projects to enable more efficient processes and utilization of our tools in Post Fab production, in terms of Quality, Manufacturing Speed, and Cost.
- Collaborate with cross-functional teams, including R&D, Quality, and Manufacturing, to support new product introductions.
- Analyze process data and apply statistical methods to drive continuous improvement.
- Ensure compliance with safety and quality standards.