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Senior Process Engineer in Fremont

Job Description

YES (Yield Engineering Systems, Inc.) is a leading manufacturer of reliable, high-tech, cost-effective capital equipment that transforms materials and surfaces at the nanoscale. From startups to the Fortune 50, our customers rely on YES to help them unleash products that change lives – from cellphones and IoT devices, to AI and virtual reality, to diagnostic tests for COVID.

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As a provider of wet and dry process technology, we look forward to talking with smart, energetic, team-oriented people who can grow with us. We provide competitive salary and benefits, including employee stock ownership, and some of the best co-workers you’ll find anywhere. If this appeals to you, please read on!

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Job Title: Senior Process Engineer

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Location: Fremont, Ca

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Responsibilities include but are not limited to:

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  • Apply principles of engineering, thermal or fluid sciences, mathematics, or statistics to develop, optimize, and troubleshoot semiconductor processes as per customer requirements.
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  • Lead process development, characterization, and optimization activities for new equipment, applications, and process technologies.
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  • Write test protocols, perform tests to fully characterize new equipment or processes utilizing DOE methodology or other statistically sound methods, then write completion reports.
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  • Collaborate internally to plan, collect data, analyze results, and lead customer demonstrations for existing and emerging process applications.
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  • Compile and analyze test data to establish process specifications, operating limits, and recommendations for future process development.
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  • Identify, analyze, and provide solutions and alternate approaches to complex technical problems using independent creativity, engineering judgment, and industry best practices.
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  • Communicate technical findings, recommendations, and project updates to upper management, customers, and cross-functional teams.
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  • Partner cross-functionally and with customers to understand technology roadmaps, process flow, inflection points, requirements, and business challenges.
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  • Drive continuous improvement initiatives focused on process capability, productivity, reliability, and customer satisfaction.
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  • Serve as a technical subject matter expert supporting Engineering, Product Development, Manufacturing, and Field Service teams.
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  • Train, develop, mentor, and/or provide work direction to operators, technicians, junior-level engineers, and other team members.
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Qualifications:

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  • BS, MS degree or PhD in Materials Science, Chemical Engineering, Chemistry, Physics, EE, or related field with 8+ years of relevant industry experience; or equivalent combination of education and experience.
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  • In-depth understanding of Statistical Process Control (SPC) and/or Design of Experiments (DOE).
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  • Experience with statistical tools (JMP, Minitab, MATLAB, Python, etc.).
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  • Demonstrated experience leading process development, optimization, and troubleshooting projects in a semiconductor or related manufacturing environment.
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  • Strong problem-solving skills and ability to independently develop innovative solutions to complex technical challenges.
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  • Familiarity with working in a laboratory and on semiconductor equipment with experience in surface preparation, analytical techniques, and material characterization.
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  • Ability to function well in a diverse, team-focused, fast-paced environment with changing requirements..
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  • Experience working directly with customers to support process development and application requirements.
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  • Experience mentoring and providing technical guidance to junior engineers and technicians.
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  • Experience in Plasma and/or Vacuum systems strongly .
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Travel Requirements:

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  • Position requires 10 - 15% local and international travel
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Compensation

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  • YES also offers a performance-based annual bonus and a competitive benefits package, which includes a 401(k) match, medical, dental, vision and life insurance, in addition to flexible PTO.
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Additional Information

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  • Background check and pre-employment drug screen required.
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  • Applicants must be currently authorized to work in the United States on a full-time basis.
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  • YES is an equal opportunity employer and values . All employment is decided on the basis of qualifications, merit, and business need.
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  • YES prohibits discrimination and harassment of any type without regard to , , , , , , status, genetics, protected veteran status, , or expression, or any other characteristic protected by federal, state or local laws.
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Come find out why YES is such a great place to work. Apply today!

Senior Process Engineer in Fremont

Fremont, CA
Full time

Published on 07/05/2026

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