Principal NPI Engineer

Coherent Corp.; Sunnyvale (CA); On-site; USD 85,000 - 120,000; Full time

Job summary

A leading optical technology company is seeking an experienced engineer to support the NPI lifecycle for OCS products in Sunnyvale, California. The role involves working with cross-functional teams, developing assembly processes, and ensuring manufacturability and reliability in product development. The ideal candidate holds a PhD and has hands-on experience in fiber optics and optical systems. Strong problem-solving skills and excellent communication abilities are also essential. An inclusive workplace culture focused on integrity and collaboration.

Responsibilities

• Support NPI lifecycle for OCS products, including engineering builds and design verification.
• Work with cross‑functional teams to ensure manufacturability and reliability requirements.
• Coordinate engineering builds and support prototype assembly and validation.
• Develop and optimize assembly processes with necessary documentation.
• Provide engineering support to manufacturing during early production ramp.
• Drive continuous improvement for process capability and product quality.

Skills

Strong understanding of fiber optic components and optical systems

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

Strong problem-solving and root cause analysis skills

Excellent cross-functional collaboration and communication skills

Proficient with data analysis and reporting tools

Education

PhD with 1+ year experience in fiber optics, optical modules, or optical switching systems

Job description

Primary 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

• 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

Equal Opportunity Statement

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 [e-mail].