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Lead Process Engineer

Job in Sunnyvale, Santa Clara County, California, 94087, USA
Listing for: Coherent Corp.
Full Time position
Listed on 2026-09-25
Job specializations:
  • Engineering
    Quality Engineering, Process Engineer, Manufacturing Engineer, Mechanical Engineer
  • Manufacturing / Production
    Quality Engineering, Manufacturing Engineer
Salary/Wage Range or Industry Benchmark: 120000 - 165000 USD Yearly USD 120000.00 165000.00 YEAR
Job Description & How to Apply Below
  • Lead the setup, development, and qualification of laser welding processes for the ASN WSS production line.
  • Define process parameters, equipment requirements, work instructions, and acceptance criteria.
  • Coordinate process verification, validation, and qualification activities with engineering, manufacturing, quality, and supplier teams.
  • Lead efforts to resume ASN WSS production, including equipment readiness, process recovery, and production line qualification.
  • Monitor process performance, yield, quality, and reliability; identify root causes and implement corrective actions.
  • Establish and maintain process-control plans, inspection methods, and related technical documentation.
  • Provide technical support and training to production personnel.
  • Drive continuous improvement to enhance process stability, productivity, and product quality.
  • Maintain qualified laser welding equipment and processes, ensuring compliance with applicable safety and quality requirements.
Job Description Primary

Duties & Responsibilities
  • Lead the setup, development, and qualification of laser welding processes for the ASN WSS production line.
  • Define process parameters, equipment requirements, work instructions, and acceptance criteria.
  • Coordinate process verification, validation, and qualification activities with engineering, manufacturing, quality, and supplier teams.
  • Lead efforts to resume ASN WSS production, including equipment readiness, process recovery, and production line qualification.
  • Monitor process performance, yield, quality, and reliability; identify root causes and implement corrective actions.
  • Establish and maintain process-control plans, inspection methods, and related technical documentation.
  • Provide technical support and training to production personnel.
  • Drive continuous improvement to enhance process stability, productivity, and product quality.
  • Maintain qualified laser welding equipment and processes, ensuring compliance with applicable safety and quality requirements.
Education & Experience
  • BS or MS in mechanical design, engineering, physics or related technical fields.
  • Minimum 5 years of related experience.
Skills
  • Hands-on experience with hermetic sealing, optical/opto-mechanical systems, leak testing, and reliability-focused mechanical design.
  • Experience establishing, qualifying, and maintaining manufacturing processes, tooling, fixtures, and production lines; laser welding experience is preferred.
  • Proficiency in Solid Works and familiarity with GD&T, tolerance analysis, material selection, and DFM/DFA principles.
  • Strong cross-functional leadership and problem-solving skills, with experience working with domestic and international suppliers to improve quality, yield, cost, and production readiness.
Working Conditions
  • Good office working conditions. Occasionally required to work in a Class 10000 clean-room environment, wearing smock with mask and gloves.
Physical Requirements

Able to move light equipment and tooling (

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