
Real job — pulled straight from Coherent Corp’s careers page · Verified September 17, 2026 · No reposts.
Job description
Coherent Corp is hiring a Principal NPI Engineer — a full-time, based in Sunnyvale, CA role. Apply directly on Coherent Corp's careers page below.
Principal NPI Engineer
Location: Sunnyvale, CA, United States
Primary Duties & Responsibilities
- Support NPI lifecycle for OCS products, including engineering builds, design verification, qualification, and manufacturing ramp.
- Work with cross-functional teams to ensure design for manufacturability (DFM), design for assembly (DFA), and reliability requirements are incorporated into product development.
- Coordinate engineering builds and support prototype assembly, debug, and validation activities.
- Develop and optimize assembly processes with work instructions, and process documentation for manufacturing.
- Provide engineering support to manufacturing during early production ramp.
- Drive continuous improvement initiatives for process capability, product quality, and production efficiency.
Education & Experience
- PhD with 1+ year experience in fiber optics, optical modules, or optical switching systems is strongly preferred.
Skills
- Strong understanding of fiber optic components and optical systems, including fiber arrays, collimators, optical alignment, and optical coupling.
- Hands-on experience with precision optical assembly and alignment processes.
- Experience with optical testing and characterization tools
- Knowledge of optical packaging, adhesive bonding, UV curing, and environmental sealing.
- Experience supporting NPI builds and transition from development to manufacturing.
- Strong problem-solving and root cause analysis skills.
- Ability to manage multiple projects and priorities in a fast-paced development environment.
- Excellent cross-functional collaboration and communication skills.
- Proficient with data analysis and reporting tools
Working Conditions
- Regular use of a computer and other office equipment is necessary
- Interaction with team members and external contacts is a regular part of the job
Physical Requirements
- Sitting for extended periods while working on a computer or conducting meetings.
- Use of hands and fingers for typing, writing, and handling documents.
- Occasional lifting of objects or materials up to 20 pounds for administrative tasks.
- Ability to communicate verbally and in writing.
- Mobility within the office environment to attend meetings
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.
#IND
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.
Job Summary: The NPI Engineer will lead development and introduction of Optical Circuit Switch (OCS) products from engineering prototype through manufacturing ramp-up. This role focuses on optical assembly development, prototype builds, process development, and product characterization to ensure that product performance, manufacturability, and reliability requirements are achieved. The engineer will work closely with R&D, optical design, mechanical engineering, EE/firmware, manufacturing, and suppliers to support engineering builds, qualification, and production readiness of OCS systems.
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Frequently asked questions
What is the seniority level for Principal NPI Engineer at Coherent Corp?
Principal NPI Engineer at Coherent Corp is a Principal level position.
How do I apply for Principal NPI Engineer at Coherent Corp?
You can view the full description and apply for Principal NPI Engineer at Coherent Corp on EchoJobs: https://echojobs.io/job/coherent-corp-principal-npi-engineer-tsn3x.