Senior Engineer, Manufacturing Engineering

February 27, 2026

Job Description Primary Duties & Responsibilities <ul><li> Process Development and Optimization</li><li>Develop, document, and implement manufacturing processes for laser modules, optical assemblies, and related sub-systems.</li><li>Define critical process parameters for optical alignment, bonding, soldering, and laser cavity assembly.</li><li>Conduct DOE (Design of Experiments) and SPC (Statistical Process Control) to optimize yield and minimize process variability.</li><li>Translate R&D prototypes into robust, repeatable production processes.</li><li> Production Support</li><li>Provide hands-on technical support to production teams for troubleshooting yield issues, process deviations, and equipment downtime.</li><li>Implement root cause analysis and corrective actions for production failures (using tools like DMAIC, FMEA, Ishikawa).</li><li>Support daily manufacturing operations to meet production schedules and performance targets (throughput, yield, quality).</li><li> Equipment and Tooling Management</li><li>Specify, qualify, and maintain production equipment such as optical benches, alignment stations, bonding systems, and test setups.</li><li>Design and procure custom fixtures, jigs, and alignment tools to improve precision and throughput.</li><li>Ensure calibration and preventive maintenance of manufacturing and metrology tools.</li><li> Quality and Continuous Improvement</li><li>Work with Quality and Reliability teams to ensure process compliance to ISO 9001 / ISO 13485 standards.</li><li>Develop and update process documentation: work instructions</li><li>Drive Lean and Six Sigma initiatives for process improvement, waste reduction, and cost optimization.</li><li> Cross-Functional Collaboration</li><li>Interface with Design Engineering for Design for Manufacturability (DFM) reviews and prototype builds.</li><li>Collaborate with Supply Chain and Vendors to ensure component quality and manufacturability.</li><li>Support NPI (New Product Introduction) transitions from R&D to production.</li><li> Data Analysis and Reporting</li><li>Collect and analyze process data to identify trends and improvement opportunities.</li><li>Implement real-time data collection and traceability systems (MES, SPC dashboards).</li><li>Present yield, performance, and process capability metrics to management. </li></ul>Education & Experience <ul><li>A bachelor’s or master’s degree in engineering or its equivalents with at least 3-5 years of relevant work experience in Photonics or a related manufacturing field</li><li>Possess technical expertise pertaining to Manufacturing, Assembly & Test Processes for mechanical assemblies, PCBA and optical components.</li><li>Strong problem-solving skills and excellent knowledge in Six Sigma DMAIC approach, Lean principles, DOE, SPC, FMEA, GR&R and other quality improvement tools. Certified Six Sigma Green or Black Belt will be an advantage.</li><li>Excellent interpersonal skills with good verbal and written communication skills.</li><li>Self-directed and able to work independently with little or no direct supervision. </li></ul>Working Conditions <ul><li>This role is 100% onsite </li></ul>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 Singapore 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 organisation, and contribute towards making Singapore a great place to work. Same Posting Description for Internal and External Candidates 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! 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. LinkedIn

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