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Join UCTand be part ofthe fastest-growing sector in the world! We indirectly touch every semiconductor chip that goes into every smartphone, smartcar,and device that uses artificial intelligence.This is a critical time for the semiconductor industry and for UCT - as technology evolves, we evolve with it. UCT is a diverse workplace where every talented employee is committed to continuous innovation, challenging the status quo and exceeding customer expectations. If you are a person with a relentless drive to succeed, a strong focus on quality with a passion for success –join us today!

UCTis looking for a talentedEngineer IVto join us inHayward, CA!

The Engineer IV is a senior‑level individual contributor who provides advanced technical expertise to support, improve, and expand semiconductor manufacturing, equipment, or business processes. This role independently leads to complex engineering assignments, solves high‑impact problems, and drives improvements in performance, reliability, cost, and scalability. The Engineer IV partners cross‑functionally, mentors less‑experienced engineers, and contributes to strategic initiatives while exercising strong technical judgment with minimal supervision.

• Lead complex engineering projects and problem‑solving efforts impacting manufacturing performance, product capability, or system reliability.
• Analyze data, designs, or processes to identify root causes, risks, and improvement opportunities.
• Develop and implement engineering solutions that improve yield, throughput, reliability, safety, sustainability, or cost.
• Serve as a technical subject‑matter expert within assigned domain (process, equipment, manufacturing, test, facilities, systems, etc.).
• Partner with Manufacturing, Operations, Quality, Supply Chain, IT, and Product teams to drive cross‑functional solutions.
• Lead or significantly contribute to NPI, technology transfers, ramps, or major change initiatives.
• Design, review, and approve technical documentation, specifications, procedures, and standards.
• Assess engineering trade‑offs, risks, and impacts; make recommendations supported by data.
• Support audits, investigations, customer escalations, or compliance activities as needed.
• Mentor Engineers I–III through technical guidance, design reviews, and knowledge sharing.
• Identify and drive continuous improvement opportunities within engineering workflows or systems.
• Stay current on industry trends, technology advancements, and best engineering practices.

• Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

• Minimum Qualifications
• Significant experience in engineering roles supporting manufacturing, technology, or complex systems
• Hands-on experience in the design, build, and integration of manufacturing and test equipment, including test fixtures, with strong expertise in electrical troubleshooting, root cause analysis, and equipment qualification.
• Deep technical knowledge within area of specialization
• Ability to work independently on ambiguous, high‑impact problems
• Strong written and verbal communication skills for technical and non‑technical audiences
• Proven ability to influence outcomes without direct authority
• Preferred Qualifications
• Semiconductor manufacturing, equipment, or advanced manufacturing experience
• Experience supporting NPIs, factory ramps, or complex system implementations
• Familiarity with statistical tools, modeling, automation, or digital systems relevant to domain
• Demonstrated success improving operational, quality, or cost performance
• Experience mentoring or acting as technical lead on projects

• Minimum Qualifications
• Bachelor’s degree in Engineering (Mechanical, Electrical, Chemical, Industrial,
• Preferred Qualifications
• Master’s degree in Engineering or related discipline

7+ years related experience in high-technology manufacturing, preferably in semiconductor capital equipment or related industry.

Materials, Software, Systems, or related field).

Professional certifications or advanced training relevant to specialty.

Lean, Six Sigma, or structured problem‑solving certification.

• Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions
• Work is performed primarily in a manufacturing, office, warehouse, and/or cleanroom environment

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• Ability to climb, stoop, kneel, crouch, reach, walk, push, pull, and grasp.
• Ability to lift up to 25 lbs.
• Ability to lift over 25 lbs. with assistance.
• Ability to move arms, hands, and fingers.
• Ability to sit or stand for sustained periods.
• Required to have visual acuity to perform assigned tasks.
• Ability to sit for sustained periods.
• Subject to hazards including electrical current, moving mechanical parts, and exposure to chemicals
• Required to wear personal protective equipment where applicable.
• May involve exposure to moderate noise levels from printers, faxes, computers, etc.
• The ability to talk on the phone and use a computer for extended periods may be required.
• May involve exposure to moderate noise levels from printers, faxes, computers, etc.

• Work may require out-of-town travel depending upon assignment (training and meeting).

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.

The pay range for this position at commencement of employment is expected to be between $108,000.00 and $172,700.00/ year; however, base pay offered may vary depending on multiple individualized factors, including market location, job‑related knowledge, skills, and experience. The total compensation package for this position may also include other elements, includingvariable pay and discretionary awardsin addition to a full range of medical, financial, and/or other benefits (including 401(k) eligibility and various paid time off benefits, such as PTO (Paid Time Off) and parental leave), dependent on the position offered. Details of participation in theseadditionalcompensation and benefit plans will be provided if an employee receives an offer of employment.

If hired, employee will be in an “at-will position” and the Company reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.

Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor.