Coherent

Lead Process Engineer

Coherent • $110K — $130K *
Sunnyvale, CA 94087In-Person
Manufacturing & Automotive
5 - 7 years of experience
Today
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Job Overview by Ladders

Qualifications

  • BS or MS in mechanical design, engineering, physics or related technical fields.
  • Minimum 5 years of related experience in manufacturing processes.
  • Hands-on experience with hermetic sealing and reliability-focused mechanical design.
  • Proficiency in SolidWorks and familiarity with GD&T and tolerance analysis.
  • Strong problem-solving skills and cross-functional leadership experience.

Responsibilities

  • Lead setup, development, and qualification of laser welding processes.
  • Define process parameters and equipment requirements.
  • Coordinate process verification and validation with teams.
  • Monitor process performance, identifying root causes for issues.
  • Drive continuous improvement to enhance productivity and product quality.

Benefits

  • Opportunity to work in a Class 10000 clean-room environment.
  • Access to ongoing technical training and development.
  • Contribution to ISO quality and environmental standards compliance.
Full Job Description
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 SolidWorks 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 (

Safety Requirements

All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.

Quality and Environmental Responsibilities

Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.

About Coherent

Coherent, Inc. is a global leader in providing laser-based solutions to a broad range of commercial and scientific research customers. The company designs, manufactures, and markets lasers, laser-based systems, precision optics, and related accessories for a diverse group of customers. Coherent's markets include scientific research, OEM components and instrumentation, microelectronics, materials processing, and life sciences. The company's products are used in a wide range of applications. Coherent was founded in 1966 and is headquartered in Santa Clara, California.
Learn more about Coherent
Size
5,085 employees
Market Cap
$4.6 billion
Industry
Manufacturing & Automotive
Net Income
-$419.7 million
Founded
1966
5 Year Trend
+27.8%
Revenue
$1.2 billion
NASDAQ
COHR
* Ladders Estimates

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