Demo

Senior Principal Process Engineer

Coherent Corp.
Sunnyvale, CA Full Time
POSTED ON 5/4/2026
AVAILABLE BEFORE 7/14/2026
Job Description

Primary Duties & Responsibilities

  • Have a good understanding of optical components, free space optics, fiber optic devices and fiber collimator coupling.
  • Source and select optical components.
  • Build prototypes based on optical designs.
  • Characterize fiber optic devices and trouble shooting .
  • Generate build and test reports.
  • Develop SOPs (Standard Operation Procedure).
  • Participate in product qualification/reliability activities.
  • Transfer the new product to manufacture and Support production.

Education & Experience

BS or MS in engineering or related technical fields.

7-15 years of related experience.

Skills

  • Have good understanding of basic optical components and fiberoptic devices.
  • Ability to work with little supervision and to manage assigned tasks and projects effectively.
  • Ability to read, learn and analyze complex materials and processes, search for solutions in the public domain as well as create/develop innovative solutions.
  • Ability to leverage knowledge and experience and apply them to solve problems resourcefully.
  • Ability to search, locate and work proactively with external suppliers in the areas of his/her expertise to engage other capabilities into the project tasks involved in.
  • Effectively managing multiple priorities and projects.
  • Ability to teach and train others within work group.
  • Excellent interpersonal communication and presentation skills.
  • Proficient computer skills, experience with Word, Excel, Outlook, PowerPoint, Email, internet and the ability to develop tools and/or special applications within these packages.
  • Fiber optic experience is a plus.
  • Familiar with UV epoxies is a plus
  • Fiber Optical module package is a plus

Working Conditions

  • Good office working conditions and 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 .

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.

Salary : $127,875 - $223,813

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