Lead Process Engineer

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📍 Sunnyvale, CA, United StatesFull time

About this role

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

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 (<25lbs) as needed when setting up manufacturing stations.

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.

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.


 

If you need assistance or an accommodation due to a disability, you may contact us at talentacquisition@coherent.com.


 

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.


Frequently Asked Questions

Is the salary disclosed for the Lead Process Engineer position at Coherent Corp. US?
The salary for this Lead Process Engineer role at Coherent Corp. US is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Lead Process Engineer position at Coherent Corp. US located?
This Lead Process Engineer role at Coherent Corp. US is based in Sunnyvale, CA, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Lead Process Engineer role at Coherent Corp. US full-time or part-time?
This is listed as a Full time position. It is posted as a Lead Process Engineer role at Coherent Corp. US.
How do I apply for the Lead Process Engineer position at Coherent Corp. US?
Click the "Apply Now" button on this page. You will be redirected to Coherent Corp. US's official application portal hosted on oraclecloud where you can submit your application directly.
When was the Lead Process Engineer job at Coherent Corp. US posted?
This Lead Process Engineer position at Coherent Corp. US was posted on Sep 21, 2026. Apply as soon as possible — early applications are often reviewed first.
Lead Process Engineer
Coherent Corp. US
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