Senior Principal InP NPI Engineer

Primary Duties & Responsibilities

• Serve as the NPI owner for InP-based optoelectronic components and assemblies, including lasers and photodiodes.

• Lead first-article builds, pilot production, product transfer, qualification support, and volume-ramp activities.

• Drive yield learning, risk identification, and technical issue resolution during product bring-up.

• Work with internal fabs and external foundries, OSATs, and contract manufacturers to ensure process readiness and scalability.

• Coordinate with design, process, product, packaging, test, reliability, quality, and operations teams to close product and manufacturing readiness gaps.

• Maintain clear manufacturing specifications, process controls, test requirements, and change documentation for release.

• Prepare and present NPI readiness reviews, yield reports, technical summaries, and action status to stakeholders.

Education & Experience

• MSc or PhD in Electrical Engineering, Physics, Materials Science, Optoelectronics, or a related field; a BS with strong relevant experience may be considered.

• Typically 3+ years of experience in InP optoelectronics, compound-semiconductor NPI, or advanced device manufacturing.

• Hands-on experience with InP-based lasers, photodiodes, modulators, or related optoelectronic devices.

• Experience with subassembly and semiconductor packaging processes and controls.

• Positive interpersonal skills necessary to support cross-functional teams.

• Strong technical written and verbal communication skills.

Skills

• Strong understanding of InP optoelectronic device physics.

• Experience with epitaxial growth and compound-semiconductor fabrication processes.

• Experience with yield analysis, SPC, DOE, and data-driven problem solving.

• Knowledge of electrical and optical test methodologies for active photonic devices.

• Strong cross-functional communication, project coordination, and documentation skills.

Working Conditions

• This position is onsite preferred; hybrid or remote work may be considered for the right candidate when business needs allow.

• Regular use of a computer and other office equipment is necessary.

• Regular interaction with internal teams and manufacturing partners is required; occasional travel or off-hours support may be needed for builds and production ramp.

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.