QA Engineer

Primary Duties & Responsibilities

• Responsible for ensuring that manufacturing processes for laser diode and photonics products consistently meet customer, product, and quality requirements. The role focuses on process control, defect prevention, yield improvement, root-cause analysis, and compliance with cleanroom manufacturing standards.

• Monitor and improve process quality for laser diode, optical, and photonics products.

• Conduct process audits, layered process audits, and manufacturing compliance reviews.

• Review process parameters, work instructions, control plans, and inspection requirements.

• Analyze defects, yield losses, process trends, and customer quality issues.

• Lead root-cause analysis using 8D, 5 Why, Fishbone, etc.

• Support product transfer, new product introduction, process qualification, and production readiness.

• Review and approve process deviations, rework instructions, and temporary controls.

• Ensure compliance with cleanroom, ESD, contamination-control, and process-discipline requirements.

• Support quality improvement projects involving optical alignment, fiber handling, laser diode assembly, bonding, testing, and packaging.

• Coordinate with Manufacturing, Process Engineering, Equipment Engineering, R&D, Supplier Quality, and Operations.

• Support internal, customer, and certification audits.

• Prepare quality reports, dashboards, and process-performance reviews.

• Train production personnel on quality standards, defect recognition, and process controls.

• Lead and manage IQA and OQA outgoing inspection

Education & Experience

• Bachelor’s degree in industrial, Electronics, Electrical, Mechanical, Optical, Materials Engineering, or a related field.

• 3–5 years of experience in process quality, manufacturing quality, laser diode, optoelectronics, or photonics manufacturing.

Skills

• Experience working in a cleanroom or controlled manufacturing environment.

• Knowledge of optical assembly, laser diode packaging, fiber-optic products, precision assembly, or photonics testing is preferred.

• Working knowledge of SPC, MSA, PFMEA, Control Plan, 8D, CAPA, and root-cause analysis.

• Familiarity with ESD control, contamination control, optical handling, and cleanroom practices.

• Ability to interpret drawings, product specifications, process documents, and inspection criteria.

• Experience with Excel, Power BI, JMP, Minitab, or similar data-analysis tools.

• Strong analytical, communication, problem-solving, and project-management skills.

• Familiarity with ISO 9001 and ISO 14644 is preferred.

• Lean Six Sigma Green Belt or equivalent process-improvement certification is highly encouraged.

• Work effectively with other members of Coherent Corp.

Working Conditions

• This role is 100% onsite

Culture Commitment

Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.:

Integrity – Create an Environment of Trust

Collaboration – Innovate Through the Sharing of Ideas

Accountability – Own the Process and the Outcome

Respect – Recognize the Value in Everyone

Enthusiasm – Find a Sense of Purpose in Work

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 Philippines Pte Ltd shares the 5 key principles of fair employment practices and is committed to adopting these principles in the management of our human resources. We believe that the effective implementation of fair employment practices will bring about a more harmonious and progressive work environment within our organization and contribute towards making Philippines a great place to work.

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.