The Senior Process Engineer designs, analyzes, and optimizes semiconductor manufacturing processes to improve yield and performance. This role leads troubleshooting efforts, supports component selection, and collaborates with sales and customers to drive business development. It provides technical training, coordinates team activities, and ensures timely, data-driven solutions. Frequent client interaction and travel are essential to delivering engineering excellence and customer satisfaction.
Essential Duties and Responsibilities:
- Design, analyze, and optimize PID for different processes, including Etch/CVD/EPI/Implant/etc.
- Design and conduct experiments, compile and analyze data to determine processes with higher yield.
- Troubleshoot and resolve process engineering-related issues.
- Identify and optimize component selection for semiconductor equipment.
- Support the sales team for new business development. Frequent client-visit travels are required.
- Deliver prompt responses to immediate customer engineering queries and work closely with the customer.
- Execute technical training to internal staff based on needs.
- Arrange or coordinate the work of team members and other technical support personnel.
Other Duties
Please note that this job description is not intended to be a comprehensive listing of all activities, duties, or responsibilities required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.
Knowledge, Skills, and Abilities Requirement:
- Rich SEMI application & process experience. Understanding wafer-level process flow & interaction between substrate and process equipment.
- Sealing, gasketing, vacuum-compatible components selection experience.
- Familiar with semiconductor-grade materials, eg, quartz, ceramic, and anodised.
- In-depth understanding of DOE and FEA for thermal & flow analysis.
- Capable of conducting in-depth analysis and independently resolving complex issues.
- Proficiency in written and oral English.
Educational/Certification Requirement:
- Minimum of a Master’s degree in Mechanical/Material Science/Chemistry or related Engineering
Experience Requirement:
Work Experience:
- Minimum of 10 years’ research or work experience with Etch/CVD/EPI/Implant processes and/or equipment.
- Working knowledge of CAD software – AutoCAD.
- Working knowledge of a quick-turn, engineer-to-order environment preferred.
Ultra Clean Technology is proud to be an equal-opportunity employer. We are committed to equal employment opportunity regardless of race, color, national or ethnic origin, age, religion, disability, sexual orientation, gender, gender identity and expression, marital status, and any other characteristic protected under laws and regulations.
Skills Required
- Minimum of a Master's degree in Mechanical/Material Science/Chemistry or related Engineering
- Minimum of 10 years' research or work experience with Etch/CVD/EPI/Implant processes and/or equipment
- Working knowledge of CAD software - AutoCAD
Ultra Clean Technology Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Ultra Clean Technology and has not been reviewed or approved by Ultra Clean Technology.
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Healthcare Strength — Plan choice includes Cigna and Kaiser options, with preventive care covered in-network and employer HSA/HRA support and wellness incentives. This breadth provides flexibility to align coverage with location and usage needs.
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Retirement Support — A defined 401(k) program features matching contributions after an initial service period, auto-enrollment, and clear vesting milestones. These elements create predictable retirement savings support with straightforward participation.
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Leave & Time Off Breadth — PTO accrual increases with tenure to a generous cap, complemented by a structured paid holiday schedule. This structure can support time away for rest and personal needs.
Ultra Clean Technology Insights
What We Do
UltraClean Holdings, Inc. (UCT) is a global leader in semiconductor fabrication support. Our Products Division provides improved design-to-delivery times for major subassemblies, advanced flow control, and high-precision manufacturing. Our Services Division offers tool chamber parts cleaning and coating, and micro-contamination analysis. UCT also provides pivotal production support for the power & energy, and process industries.









