Chemical Process Engineer

Company Overview:
Coherent Corp., named to Forbes' 2026 America's Best Companies, is a global leader in the 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 more than 3,200 employees across Ho Chi Minh (VSIP1), Dong Nai (Nhon Trach 1), Hanoi, and Bac Ninh (Yen Phong IP). As part of our global growth strategy and commitment to developing local talent, we aim to create over 8,000 new job opportunities in Vietnam within the next five years through hundreds of millions of dollars in investment projects.
Work Location:
- VSIP1 (HCMC, formerly Binh Duong)
BASIC FUNCTION OF THE JOB:
Provide technical supports to plating and wet chemical related process problems in Front End, Assembly, System manufacturing areas. Collaborate with other departments to develop new tools, fixtures, equipment, chemicals, materials for process and product developments, and solving production technical issues. Ensure machines operate smoothly, and collect, analyze data to improve processes further. Work with cross department engineers and staffs to implement process problem solving and improvement, and qualification projects to meet departmental objectives towards cost saving and quality improvement.
1) Manufacturing process control, improvement, and development
- Manage QRB projects for process and equipment changes to ensure timely Release to Production (RTP).
- Support Front End, Assembly, and System teams in process improvement, product development, and Engineering Change Order (ECO) implementation.
- Collaborate with Supplier Quality Engineers (SQE) to qualify new parts and onboard new suppliers.
- Identify and drive process improvement opportunities to reduce costs, eliminate risks, and improve manufacturing efficiency.
- Review and update production processes, train operators on procedure changes, and conduct technical studies to support continuous improvement.
2) Manufacturing Process support and Quality control
- Ensure First Article Inspection (FAI) is completed for new parts before mass production and maintain process control.
- Monitor process compliance with ISO requirements and support customer and internal audit activities.
- Utilize QC tools and SPC data to analyze defects, resolve process issues, and drive continuous improvement.
- Manage control limits, monitor chemical and material shelf life, and perform testing when required.
- Support corrective actions (CAR), Failure Analysis (FA), and proactively resolve quality and process-related issues.
3) Machine, equipment setup and maintenance
- Set up and modify manufacturing, measurement, and testing equipment programs to support production requirements.
- Troubleshoot equipment issues by working closely with suppliers and equipment manufacturers.
- Perform internal verification and calibration of equipment to ensure accuracy and reliable operation.