Test 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: NHƠN TRẠCH 1, ĐỒNG NAI

Job Overview: 

• Test process ownership: Manage and control test systems to ensure stable and reliable production performance
• Production support: Provide technical support to test manufacturing operations and resolve production issues
• Process improvement: Enhance test yield, quality, and productivity through continuous improvement initiatives

Key Responsibilities: 

• Test system control: Monitor and control testing parameters to ensure process stability and product quality
• Troubleshooting & maintenance: Diagnose, maintain, and repair test equipment to minimize downtime
• Calibration management: Perform calibration and ensure accuracy of test systems
• Data analysis: Monitor tester performance and analyze data to prevent production failures
• SOP & documentation: Develop and maintain SOPs, WIs, and technical training materials
• NPI support: Lead test-related activities for new product introduction, including machine buyoff and process setup
• Test program management: Manage test software, hardware, and fixtures to ensure system readiness
• Cross-functional collaboration: Work closely with Production, QA, and Engineering teams to resolve issues and improve processes
• Global collaboration: Coordinate with offshore teams (e.g., Fuzhou, VSIP) for knowledge sharing and technical alignment
• Continuous improvement: Drive initiatives to improve yield, quality, and productivity in test processes
• Training & coaching: Train technicians and support team capability development
• EHS compliance: Ensure compliance with safety, health, and environmental standards

​​​​​Key Requirements:

• Educational background: Bachelor’s degree in Engineering (Optics, Applied Physics, Material Science, Aerospace, Mechatronics, Optoelectronics, Optical Communication, or related fields); Postgraduate degree is a plus
• Required experience: Minimum 2+ years of experience in test engineering or related roles; experience in optical manufacturing or laser industry is preferred
• Technical knowledge: Strong understanding of optical systems, laser technology, and test methodologies
• Problem-solving skills: Strong analytical mindset with ability to troubleshoot and resolve complex issues
• System knowledge: Experience in test system control, equipment maintenance, and calibration
• Teamwork & communication: Strong collaboration skills and ability to work in cross-functional and global teams
• Language skills: English communication for technical discussions​​​​​​​

What We Offer:

• Flexible Working Hours: Standard 40-hour workweek with flexible arrangements to support work-life balance and productivity.
• Flexible Working Location: Employees are entitled to 6–12 flexible working days per calendar year, depending on the position.
• Free Shuttle Service: Staff transportation from Dong Nai and Ho Chi Minh City to our offices in Nhon Trach and VSIP1.
• Competitive Compensation Package: Competitive salary with annual reviews, plus allowances for accommodation, transportation, parking.
• Attractive Annual Bonus: From 1.96 to 4.00 months of salary, including the 13th-month bonus (effective for new offers from July 2025).
• Premium Health Insurance: Comprehensive BVH coverage for employees, with optional family inclusion.
• Employee Well-being & Development: Training programs, annual health check-ups, holiday gifts, travel opportunities, sports events, and more.