Company Overview:
Coherent Corp. is a global leaders in datacenter and communications industries. Headquartered in Saxonburg, Pennsylvania, USA, and founded in 1971, Coherent operates in over 20 countries worldwide. Since entering Vietnam in 2005, Coherent has expanded to over 2,400 employees across Binh Duong (VSIP1), Dong Nai (Nhon Trach 1), Hanoi, and Bac Ninh (Yen Phong IP). As part of our global growth strategy and commitment to local talent development, we aim to create over 4,000 new job opportunities in Vietnam within the next five years.
Work Location: VSIP1- BÌNH DƯƠNG (TP HỒ CHÍ MINH)
As a Senior Chemical Process Engineer, you will be responsible for developing and optimizing chemical cleaning processes for precision optical glass materials (e.g., BK7, FS, sapphire). Your job is to ensure the highest surface cleanliness before critical steps like coating or assembly — while maintaining safety, environmental compliance, and cost control.
Your Key Responsibilities
Chemical Cleaning Process Development (30%)
- Develop and improve cleaning processes using acid, solvent, ultrasonic, DI water, megasonic, etc.
- Choose the right cleaning method based on glass type and contamination level
- Design & validate cleaning equipment setup (chemical tanks, dryers, ultrasonic units)
Process Qualification & Technical Support (45%)
- Work with Quality, Product, and Process Engineering teams to define cleanliness standards (particle count, haze, etc.)
- Troubleshoot issues on the shop floor (scratches, haze, residue...)
- Lead pilot runs and support mass production transfer
- Write and update SOPs, WI, and technical documents
Process Control & Improvement (20%)
- Monitor assigned processes and products
- Use tools like SPC, FMEA, DOE, 8D to solve problems and improve performance
- Lead or support process improvement projects
Training & Safety (5%)
- Ensure compliance with chemical safety, cleanroom, and environmental standards
- Train teams on chemical process flow and equipment usage
