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Diffusion Engineer

onsemi

Hopewell Junction, NYJob$66–115K/yrSeen 1w agoSeen in employer's feed today

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At a glance

Compensation
$66–115K/yr
Location
Hopewell Junction, NY
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Bachelor's degree

Job overview

The Diffusion Engineer will develop and support manufacturing of 300mm silicon wafers for automotive and consumer applications, while providing process engineering support for additional areas. Working with integration, process, and equipment teams, the engineer will own critical furnace processes and equipment health, improve performance, cost, throughput, and yield, and support production through data-driven decisions and lot disposition.

Skills & qualifications

RequiredNice to have

Skills

Semiconductor ProcessingCross-Functional TeamworkFMEA Risk AnalysisData AnalysisExcelJMPMicrosoft OfficePowerPointCommunicationTechnical PresentationsSelf-MotivationResults Orientation

Qualifications

Bachelor's in Engineering or Technical Field4+ Years Semiconductor Processing or Similar Industry ExperienceFluent English

Full job description

onsemi is seeking Diffusion Engineer. You will develop and support the manufacturing of 300mm silicon wafers used for Automotive and Consumer applications throughout the world.  You will also provide process engineering support for additional process areas.  In this team-based environment, you will work closely with the integration, process, and equipment teams to deliver robust, high-quality products to our customers.

Responsibilities for Internal Candidates

  • Own critical Furnace processes and associated health of ASM/TEL/Bruce equipment in a fast-paced, 24/7 manufacturing environment.

  • Apply technical skills to implement equipment and process improvements that increase product performance, reduce cost, and increase throughput and yield.

  • Design and document experiments utilizing engineering methodology to improve yield, cost, and throughput.

  • Resolve complex, time-sensitive technical problems to maintain production or development schedules.

  • As a Furnace Engineer, you will be expected to make decisions using data analysis and statistical process control (SPC) techniques.

  • Provide daily process and product lot disposition support in the furnace processing area.

  • Contribute to the understanding and resolution of all equipment-level shifts in tool performance

  • Within the first six to twelve months, develop advanced sustaining responsibilities and contribute to cost reduction, yield improvement, and production throughput increase.

Qualifications for Internal Candidates

  • Education:  BS degree in Engineering or a technical field.

  • Experience: 4+ years in semiconductor processing or a similar industry

  • Experience working in cross-functional teams to achieve goals and metrics

  • Experience with FMEA risk analysis is a plus

  • Intermediate-level data analysis skills, specifically in Excel or JMP, using formulas, pivots, and charts, are required

  • Proficiency in Microsoft Office, particularly PowerPoint

  • Strong communication skills with experience in presenting technical project details

  • Self-motivated and results-oriented

  • Fluency (written and oral) in English is required

Salary: onsemi is excited to share the base salary range for this position is $65,900 to $115,400 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.pd (https://www.onsemi.com/site/pdf/Benefits-Summary-USA.pdf)

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:

https://www.onsemi.com/careers/career-benefits

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 [email protected] for assistance.

How this job compares

Set against the 3,271 open Process Engineer jobs on Olive Jobs, counted November 3, 2026.

Pay
  • This posting$66–115K/yr
  • New York median$90–134K/yr121 salary ranges
  • US median$96–143K/yr1,670 salary ranges

This range's midpoint, $91K, is 21% below the New York median midpoint ($115K) — in the lowest quarter of Process Engineer salary ranges in New York.

Openings
Olive Jobs lists 159 open Process Engineer jobs in New York and 3,271 across the US. 2% of them nationwide are listed as remote or flexible.
Hiring the most in New York
Experience
This posting asks for at least 4 years of experience; Process Engineer postings that state a minimum ask for 4 years at the median (2,606 postings).
Education
This posting asks for a bachelor's degree; 2,122 of the 3,271 open Process Engineer jobs (65%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 3, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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