Yield Engineer - COX Expansion

Coherent Corp.; Calamba; On-site; PHP 900,000 - 1,300,000; Full time

Job summary

Coherent Corp. in Laguna, Philippines, seeks an experienced Yield Engineer to drive world-class final yield and scrap reduction across assembly and test manufacturing.

You will lead initiatives, analyze data, and collaborate with global teams to resolve manufacturing and product issues. The role requires a Bachelor’s degree in a related engineering field and 3–5 years in semiconductor or optoelectronics, with strong skills in data analysis (Excel, JMP, SQL, Python, Power BI) and robust

Qualifications

• A t least a Bachelor’s degree in Electronics, Electrical, Mechanical, Manufacturing, Materials, Mechatronics Engineering, or a related technical field.
• Typically 3–5 years of experience in semiconductor or optoelectronics with demonstrated experience leading complex yield improvement and defect reduction projects across multiple manufacturing processes.

Responsibilities

• Lead yield improvement and defect-reduction initiatives across CoC assembly and test processes.
• Analyze production, assembly, test, equipment, and quality data to identify trends, variation, and major yield-loss mechanisms.
• Lead root-cause analysis using 8D, DMAIC, fishbone, fault-tree analyses and DOE with cross-functional teams.
• Ensure yield actions are documented, validated, and sustained through monitoring and ownership.
• Establish yield dashboards, Pareto analyses, and related trend charts and develop standards for yield analysis and data collection.
• Collaborate with cross-functional teams to support NPI, product transfer, production ramp-up, and continuous improvement.

Skills

Yield analysis

Data analysis

Root-cause analysis

Interpret data to improve

Statistical methods

Design of experiments

MSA/GR&R

Clear communication

Education

Bachelor’s degree in Electronics, Electrical, Mechanical, Manufacturing, Materials, Mechatronics Engineering, or a related technical field

Tools

Excel

JMP

SQL

Python

Power BI

Job description

Job Description

Primary Duties & Responsibilities

• Lead yield improvement and defect-reduction initiatives driving world class final yield and scrap rate across CoC assembly and test manufacturing processes
• Analyze production, assembly, test, equipment, and quality data to identify trends, variation, and major yield-loss mechanisms
• Lead root-cause analysis and corrective actions using methodologies such as 8D, DMAIC, fishbone analysis, fault-tree analysis, and DOE partnering with process, product, equipment, quality, operations, and global engineering teams to resolve manufacturing and product issues
• Ensure that yield improvement actions are documented, validated, and sustained through effective monitoring and ownership
• Establish yield dashboards, pareto analysis, and other related trend charts/monitors and develop standards and best practices for yield analysis, defect classification or data collection
• Collaborate with cross-functional teams to support new product introduction, product transfer, production ramp-up, and continuous improvement that any process changes, equipment changes or upgrades, material changes and design revisions go through yield impact evaluation

Education & Experience

• A t least a Bachelor’s degree in Electronics, Electrical, Mechanical, Manufacturing, Materials, Mechatronics Engineering, or a related technical field.
• Typically 3–5 years of experience in semiconductor or optoelectronics with demonstrated experience leading complex yield improvement and defect reduction projects across multiple manufacturing processes.

Skills

• Possess advanced knowledge of yield analysis, statistical methods, process capability, design of experiment, MSA/GR&R, and variation reduction
• Possess strong data analysis skills using tools such as Excel, JMP, SQL, Python, Power BI, or equivalent platforms
• Has demonstrated ability in root-cause analysis, corrective and preventive action, failure analysis, and structured problem-solving
• Has the ability to interpret manufacturing, test, equipment, reliability, and quality data to identify actionable improvement opportunities and driving them to implementation
• Possess strong ownership, analytical thinking, attention to detail, and bias for timely execution.
• Demonstrate ability to translate complex technical information into clear business and operational recommendations in addition to having good technical communication, presentation, and documentation skills

Working Conditions

• This role is 100% onsite w orking in a manufacturing, engineering, laboratory, and cleanroom environment
• Regularly interacts with production areas, laboratory, equipment, process and cross-functional teams
• May require occasional support outside regular working hours during critical builds, investigations, or production escalations

Culture Commitment

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

• I Integrity – Create an Environment of Trust
• C Collaboration – Innovate Through the Sharing of Ideas
• A Accountability – Own the Process and the Outcome
• R Respect – Recognize the Value in Everyone
• E 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.

About Us

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!