Tooling Design Engineer

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: VSIP I (Ho Chi Minh)
BASIC FUNCTION OF THE JOB:
This position is responsible:
· Responsible for designing, developing, improving tooling (jigs, fixtures, gauges, and assembly tools) and other technical drawings to support manufacturing operations.
· Ensures high precision, repeatability, and manufacturability of tools while contributing to productivity improvement, cost reduction, and quality enhancement in a high-tech production environment.
· Provide corrective action and preventive action for quality issues or audit finding.
1. Tooling/fixture development
· Make and load technical drawing to ERP system to get official approval as procedure requirement
· Validation tools for product/process and transfer products to ensure products build and ship on time.
· Design guides and template shall be reviewed and updated to reflect with process platform, new methods or approaches from development or product/process transferred to support highest volume, lost cost and highest quality
· Interaction with Product/Process Engineers and technicians to design tools support production line
· Identify potential opportunities for process improvement and bring them to attention of product/Process Engineers and supervisors for undertaking with implication of cost saving.
· Address technical subjects, do technical study on selected subjects and present to team
· Work close with project Engineer for new build to ensure tooling properly and provide action timely and to support new products build high yield and products ship on time.
· Work directly with tooling supplier/purchaser/SQE to do troubleshooting and to provide corrective action for tool issues or technical issues.
2. Manufacturing Process Support and Quality control
· Collaborate with Product Engineer, Process Engineer, Quality Engineer... to control process as ISO requirements and make action taken for ISO / customer audit
· Co-operate with process Engineer to provide corrective action and preventive action for 8D-CAR, audit finding, quality issue on line or from customers.
· Co-operate with purchasers /SQE to develop local supplier to improve tool cycle time and cost
· Trouble shooting for yield drop, process issues and improvement activities by using 8D form, Pareto, Fishbones diagram and 5WHY.
· Work closely with production and process Engineer to design fixture, tool, jig to improve productivity and quality.
· Write and maintain SOPs and work instructions for Tooling/fixture/technical drawing.
· Complete CAR and Task efficiently on time
3. Report and documentation
· Frequently report tasks and projects status to Managers.
· Complete all documents to make sure no NC issue from internal/external audit
· Complete monthly report and analysis of the cost and provide action timely to ensure tooling expenses within the budget.