Senior Chemical Process Engineer

BASIC FUNCTION OF THE JOB:
• Lead the development, optimization, and control of chemical cleaning processes for optical glass components.
• Lead verification, qualification activities and standardization for chemical processes.
• Ensuring superior surface cleanliness that meets stringent optical quality standards, while complying with safety, environmental, and cost targets.
• Product/ Process control and improvement projects assigned.
DETAILS:
- Develop and optimize chemical cleaning processes
• Develop and optimize chemical cleaning processes (acid/base/solvent cleaning, megasonic /ultrasonic cleaning, DI water rinsing) for various optical glass materials (e.g., BK7, FS, sapphire…).
• Select appropriate cleaning chemicals and sequences based on glass type, contamination level, and final product application
• Analyze surface chemistry interactions to prevent scratches, haze, particle contamination, and residue after cleaning.
• Design and validate cleaning setups using chemical tanks, ultrasonic systems, vapor dryers, and spin dryers.
• Requirement for new projects, new product’s requirement.
- Qualification & Process Management
• Leads and/or participates in resolutions or problem, which may be chemical
• Train other function teams on technical aspects of process flow & equipment operation, including safety.
• Complete CAR and Task efficiently on time
• Conduct root cause analysis of process- related surface defects and implement corrective actions.
• Write and maintain SOPs and work instructions for cleaning operations.
• Trouble shooting on shop floor, lead pilot runs and support mass production transfer of cleaning processes
• Collaborate with Product Engineer, Process Engineer, Quality Engineer… to define cleanliness specifications (e.g., particle count, haze…).
• Weekly review for improvement
• Ensure all processes comply with chemical safety regulations, waste management standards, and cleanroom protocols.
• New processes or process changes are evaluated, documented, and are compatible with corporate engineering and manufacturing information systems.
- Product/process control as assigned by line manager
Work as Process engineer for some product/process
Involve/lead improvement projects

- Educational background: Bachelor’s degree or higher in Chemical Engineering, Materials Science, Surface Chemistry, or related fields.
- Experience:
• Experience in manufacturing environment is a plus.
• Minimum 5 years of experience in chemical or surface cleaning processes, preferably in optics, semiconductors, or precision manufacturing.
• Strong knowledge of: Surface chemistry principles; Material- chemical interactions surface defect prevention; Process design and control in a normal room or cleanroom.
• Experience with process troubleshooting, FMEA, DOE, SPC, or Six Sigma methodologies.
- Preferred Qualifications:
• Knowledge of post- cleaning steps such as Thin Film Coating, Optical bonding, optical assembly.
• Experience working in class 10,000 cleanroom (class 7)
• Certification in chemical safety, cleanroom protocols, or ISO quality systems (ISO 9001).
- Language: Good command of English

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Cập nhật gần nhất lúc: 2026-04-09 00:55:02