Job Description

• 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

Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!

Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.