Technician IV (CDI Measurement)

UCT; Phoenix, Northern (AZ, KY); Hybrid; USD 90,000 - 130,000; Full time

Job summary

UCT in Phoenix, AZ is seeking a Chemical Process Technician IV to join our CDI Operations. You will lead advanced cleaning, decontamination, inspection, and process verification for semiconductor chamber components, maintaining chemistries, approving documentation, and driving continuous improvement with minimal supervision.

The role requires strong knowledge of chemical processing, quality systems, and safety compliance, plus the ability to mentor Technician I–III and collaborate with

Qualifications

• High School Diploma or GED required; technical certification or coursework in chemistry or related field preferred.
• Experience with semiconductor cleaning and restoration processes is essential.
• Strong knowledge of chemical processing, wet chemistry, and contamination control.
• Ability to read and maintain complex chemical recipes and process parameters.
• Familiarity with quality systems, process documentation, and manufacturing controls.

Responsibilities

• Lead CDI process lines and work cells with minimal supervision.
• Provide technical guidance and training to Technician I–III.
• Assist supervisors with workflow prioritization and daily production planning.
• Support onboarding and qualification of new technicians.
• Drive Lean, 6S, Kaizen initiatives and process improvements.
• Assist Engineering and Operations with process validation and troubleshooting.

Skills

Semiconductor cleaning

Chemical processing

Process parameters

Quality systems

Documentation review

Troubleshooting

Communication skills

Leadership without authority

SPC data analysis

Independence in fast-paced env

Education

High School Diploma or GED

Technical certification / coursework in chemistry or related field

Job description

Join UCT and be part of the 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!

UCT is looking for a talented Chemical Process Technician IV to join us inPhoenix, AZ!

TheChemical Process Technician IV – CDI Operationsperforms advanced chemical cleaning, decontamination, inspection, and process verification activities supporting semiconductor chamber component refurbishment. This role serves as a technical leader within the CDI area, maintaining chemical tank chemistries, ensuring compliance with quality and contamination-control standards, approving process documentation, and supporting continuous improvement initiatives with minimal supervision.

Essential Duties and Responsibilities:

Advanced Process Operations

• Perform advanced chemical cleaning, stripping, etching, decontamination, coating preparation, and restoration processes on semiconductor chamber components.
• Operate and troubleshoot multiple wet process systems and cleaning lines with minimal supervision.
• Prepare, monitor, verify, and maintain chemical tank chemistries in accordance with approved process specifications.
• Conduct bath analysis, process checks, and chemistry adjustments to maintain process control.
• Execute specialized cleaning methods for customer‑specific and technology‑sensitive products.
• Support first‑article, engineering, qualification, and R&D processing activities.

Quality & Inspection

• Perform incoming, in‑process, and final inspections to verify product compliance.
• Review, verify, and approve travelers, process records, test data, and Certificates of Analysis (CoA) when authorized.
• Identify process deviations, contamination risks, quality concerns, and nonconforming conditions.
• Escalate quality issues and participate in root cause investigations and corrective actions.
• Ensure adherence to contamination‑control protocols and customer cleanliness requirements.

Leadership & Training

• Serve as a lead technician for assigned CDI process lines and work cells.
• Provide technical guidance, training, and work direction to Technician I, II, and III team members.
• Assist supervisors with prioritization of workflow and daily production activities.
• Support onboarding and qualification of new technicians.
• Promote a culture of accountability, quality, safety, and continuous improvement.
• Participate in Lean, 6S, Kaizen, and process improvement initiatives.
• Assist Engineering and Operations teams with process validation, troubleshooting, and productivity improvements.
• Recommend improvements to processing methods, chemical usage, workflow efficiency, and contamination reduction.

Safety & Compliance

• Safely handle, transport, store, and dispose of hazardous chemicals in accordance with OSHA, EPA, and company requirements.
• Maintain compliance with PPE, respirator, cleanroom, environmental health and safety procedures.
• Participate in safety audits, inspections, and incident investigations.
• Maintain accurate process documentation and records required by UCT quality systems.

Additional Responsibilities

• Support packaging, preparation, and shipment of customer products as needed.
• May operate company vehicles for customer deliveries or site transfers when required.
• Perform other duties as assigned.

Knowledge, Skills, and Abilities

• Advanced knowledge of semiconductor component cleaning and restoration processes.
• Strong understanding of chemical processing, wet chemistry operations, and contamination control principles.
• Ability to understand and maintain complex chemical recipes and process parameters.
• Knowledge of quality systems, process documentation, and manufacturing controls.
• Experience reviewing and approving production documentation and test results.
• Ability to recognize process abnormalities and implement corrective actions.
• Strong troubleshooting and analytical skills.
• Excellent verbal and written communication skills.
• Ability to lead and influence others without direct supervisory authority.
• Proficiency with Microsoft Office applications and manufacturing software systems.
• Experience collecting, interpreting, and documenting SPC data.
• Ability to work independently with limited supervision in a fast‑paced production environment.

Other Duties

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.

Education

• High School Diploma or GED required.
• Technical certification, vocational training, or coursework in chemistry, manufacturing technology, engineering technology, or a related field preferred.

Experience

• 5–7+ years of experience in semiconductor services, chemical processing, cleanroom manufacturing, precision cleaning, plating, coatings, or related technical manufacturing environments.
• Experience working with hazardous chemicals and regulated process environments.
• Experience performing advanced inspections and quality verification activities.
• Previous experience serving as a lead technician, trainer, or subject matter expert preferred.

Certifications

• Ability to obtain and maintain respirator certification.
• Valid driver's license with acceptable driving record.

Physical Requirements & Working Conditions

• Required to wear cleanroom garments, respirators, and other PPE.
• Frequent standing, walking, bending, reaching, and lifting throughout the shift.
• Ability to lift and move up to 50 pounds.
• Ability to perform repetitive cleaning, scrubbing, masking, and inspection activities.
• Regular exposure to chemical processing environments and hazardous materials.
• Ability to work flexible schedules, weekends, and overtime as business needs require.

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.

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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.