Senior Laser Manufacturing Engineer
ESI an MKS Brand
Job Description
Principal Responsibilities:1. Failure Analysis & Root Cause InvestigationPerform detailed failure analysis investigations on fiber laser units and subsystems, including:Optical components (fiber, collimators, isolators, lenses)Laser diodes and pump modulesPower electronics and control boardsApply structured root cause analysis methodologies (e.g., 5 Why, Fishbone, Fault Tree Analysis, DMAIC).Conduct electrical, optical, mechanical, and thermal diagnostics to identify failure mechanisms.Validate failure hypotheses through experimentation, testing, and data analysis.2. Reporting & DocumentationPrepare clear, structured technical reports documenting:Failure symptomsInvestigation methodsRoot causesCorrective and preventive actions (CAPA)Present investigation findings and recommendations to engineering, quality, production, and management teams.Maintain comprehensive failure databases and trend analysis dashboards.3.
Corrective Actions & ImplementationPropose engineering solutions to resolve identified issues.Work with design, process, manufacturing, and supplier teams to implement corrective actions.Validate effectiveness of solutions through testing, verification, and reliability evaluation.Drive continuous product reliability improvement initiatives.4. Failure Analysis Lab & Equipment ManagementMaintain the failure analysis station, ensuring:Equipment calibration and traceabilityProper tooling availabilitySafe operation of optical and electrical systemsDevelop and improve test procedures, diagnostic tools, and fixtures.Ensure compliance with laser safety, electrical safety, and ESD standards.5. RMA & Customer SupportProvide technical support for RMA investigation and closure.Interface with customer service, sales, and field service teams to:Clarify failure symptomsExpedite root cause identificationProvide technical feedback to customers when requiredSupport urgent investigations for critical customer escalations.
Required Skills:Requires a Bachelor of Science in Engineering degree or equivalent experience and 5 years of related experience in Fiber Laser systemsMin. 3 years of experience in Failure Analysis, Reliability engineering,Has experience with Laser systems or optoelectronics diagnostics (Fresh graduates with strong laser or photonics research experience may be considered.)Strong understanding of fiber laser architecture and operation, pump diode lasers and drivers, beam delivery systems and fiber optics, optical isolation and beam shapingExperience in Optical alignment, beam profiling, power and spectral measurements.Knowledge on the use of fusion splicer, precision fiber cleaver, fiber strippers, oscilloscopes, power metersGood knowledge of root cause analysis methodologies and troubleshooting toolsCompetent in MS Excel (Data analysis, charts, pivot tables)Competent in Statistical tools (Minitab, JMP or Python preferred)