Principal Electrical Design Engineer

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Principal Electrical Design Engineer

Fremont, CA, United States(On-site)

Job Description

Primary Duties & Responsibilities

• Drive Co-Packaged Optics and Optical Engine product design and testing activities from initial concept to production.
• Develop Silicon Photonic (PIC) and electronics IC (including TIA, driver, and micro-controller) co-design to achieve DC functionalities and high-speed performance.
• Perform simulations for signal integrity and power integrity analysis, hands-on high speed signal validation and analysis verification including material, de-embedding, and component characterization.
• Power delivery modeling, simulation, and characterization for die, package, board, and voltage regulators.
• PCB stack-up review and layer assignment for High speed and PDN
• Manage PIC and EIC interconnect schematic and monitor layout design process.
• Work with external and internal PIC and EIC suppliers to define product spec, integration design rules, testing protocol, and failure analysis methodologies.
• Lead optical package development to establish package manufacturability and reliability.
• Collaborate with cross-functional teams consisting of Silicon Photonics, IC design, substrate layout, and module design teams.

Education & Experience

• Bachelor’s degree with 12 years of related experience in optical transceiver electrical design.
• Or Master’s degree with 10 years; or a PhD with 7 years experience.

Skills & Other Requirements

• Expertise optical transceiver electrical and hardware design.
• Experience with signal integrity simulation and power integrity analysis including crosstalk, return loss, jitter, EMI, and power supply noise.
• Experience with high-speed signal validation and analysis verification including material, de-embedding, and component characterization.

Working Conditions

• This position is on-site full time.
• May require occasional off-site meetings or travel
• 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
• May require occasional overtime and flexibility in work hours to accommodate the executive’s needs

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 or interact with colleagues.

Safety Requirements

All employees are required to attend scheduled training, follow the site EHS procedures and Corporate EHS standards. This includes the use of proper protective equipment (PPE) as required by the job responsibilities.

Managers will ensure that all safety and environmental procedures are followed consistently. They will ensure that risk assessments are performed, proper training, work instructions, required PPE is available, and will monitor compliance.

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.:

I ntegrity – Create an Environment of Trust

C ollaboration – Innovate Through the Sharing of Ideas

A ccountability – Own the Process and the Outcome

R espect – Recognize the Value in Everyone

E nthusiasm – 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 .

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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.

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Job Info

• Job Identification2012305

• Posting Date05/15/2026, 11:35 AM

• Degree LevelBachelor's Degree

• Job ScheduleFull time

• Locations48800 Milmont Drive, Fremont, CA, 94538, US(On-site)

• Pay Scale$114,375 - $195,875 per year

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