Senior Process Engineer

FOXSEMICON TECHNOLOGY LLC; Union City (CA); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

401(k) matching

Dental insurance

Health insurance

Opportunity for advancement

Paid time off

Vision insurance

Life and AD&D insurance

Flexible Spending Account (FSA)

100% company-paid health insurance

Job summary

FOXSEMICON TECHNOLOGY LLC is seeking a Senior Process Engineer in Union City, California, to develop and optimize manufacturing processes for semiconductor equipment components. The role involves precision machining, surface treatment, and cross-functional collaboration to meet quality and delivery targets.

The ideal candidate will have over 5 years of hands-on experience, a Bachelor’s degree or equivalent, and proficiency in CAD and CAM software. Benefits include 401(k) matching and comprehensive health insurance.

Qualifications

• 5+ years of hands-on experience in precision machining and surface treatment processes.
• Experience evaluating and troubleshooting manufacturing processes.
• Excellent verbal and written communication skills.

Responsibilities

• Develop and optimize processes for precision machining of complex metal parts.
• Evaluate machining risks for critical components.
• Lead root cause analysis for process failures.

Skills

Precision machining

Surface treatment

Communication skills

Data analysis

Organization skills

Education

Bachelor of Science degree or equivalent work experience

Tools

CAD

CAM

Microsoft Office

Job description

Benefits

• 401(k) matching
• Dental insurance
• Health insurance
• Opportunity for advancement
• Paid time off
• Vision insurance
• Life and AD&D insurance
• Paid time off and 10-holiday pay
• Flexible Spending Account (FSA)
• 401k with company matching up to 4%
• 100% company-paid health insurance (Medical/Dental/Vision) for employees

Position

Senior Process Engineer

Hours

40 hours per week

Position Summary

We are seeking a highly motivated Process Engineer to develop, optimize, and maintain manufacturing processes for semiconductor equipment components, with a focus on precision machining and surface treatment. This role requires knowledge in metal processing, hands‑on troubleshooting ability, and cross‑functional collaboration to support quality, cost, and delivery targets.

Responsibilities

• Develop and optimize processes for precision machining (e.g., CNC milling, turning, tapping) of complex metal parts such as chambers, showerheads, and manifolds.
• Evaluate machining risks for critical components and define appropriate tolerances, and process flow.
• Identify and manage surface treatment requirements, including chemical cleaning, anodizing, electropolishing, passivation, and plating.
• Define and validate process controls to ensure dimensional accuracy, surface quality (Ra/Rz), and contamination control standards (e.g., particle level, ionic contamination).
• Lead root cause analysis for process failures and implement corrective actions using engineering tools (e.g., 5-Why, Fishbone, DOE).
• Collaborate with quality, planning, and supplier teams to manage internal and outsourced processes.
• Support new product introduction (NPI) by coordinating process development, tooling, fixture design, and pilot build.
• Maintain clear and up-to-date documentation such as SOPs, process specifications, and control plans.
• Additional duties as defined by manager

Qualifications

• Bachelor of Science degree or equivalent of work experience
• 5+ years of hands‑on experience in precision machining and surface treatment processes for metal components. Experience evaluating and troubleshooting manufacturing processes and machinery
• Experience using CAD, CAM, data analysis programs, and related software
• Excellent communication skills, both verbal and written
• Strong organization and management skills
• Proficiency in Microsoft Office
• High level of technical expertise
• Strong analytical thinker