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Sr. Principal, Field Applications Engineer - SF Bay Area

Coherent Corp.
Fremont, CA Full Time
POSTED ON 5/14/2026
AVAILABLE BEFORE 6/13/2026
Job Description

Primary Duties & Responsibilities

This is a Sr. Principal, Field Applications Engineer position to provide pre-sales and post-sales technical support to major customers in the San Francisco Bay Area, primarily for networking products (optical transceivers and active optical cables). This position is based at Coherent's site in Fremont, CA and supports key customers in the San Francisco Bay Area. Strong technical background, excellent communication skills and ability to work directly with customers and internal teams are required.

Detailed Responsibilities
- Provide application, test, and quality support for key customers in the SF Bay Area for Coherent's optical communications products, primarily optical transceivers/transponders/active optical cables for fiber optic networking.
- Support customer qualifications of Coherent products. Emphasis on handling issues associated with meeting customer performance and reliability requirements. Technical support and troubleshooting may be either a pre-sales or post-sales activity. Hands-on modification of optical transceiver-based products will be required.
- Engage in discussion with customers and respond to direct technical inquiries
- Drive customer product test and reliability requirements through the internal Coherent organization
- Write Application Notes and white papers relevant to product application and test and for sales and customer distribution
- Prepare and deliver product application presentations to customers and internal organization as appropriate
- Analyze customer specifications and establish gap analyses
- Provide customer system design feedback to both marketing and engineering
- Provide occasional technical and customer support at trade shows as needed
- Work as a team member with other FAEs worldwide
- Some domestic and international travel may be required

Education & Experience

  • BS in engineering/sciences
  • 2 years in the communications industry with working experience in technical positions
  • Customer-facing experience a plus
  • Problem solving and hands-on skills related to electronic/electrical, mechanical, and/or photonics

Skills
  • Strong technical and debugging skills including hands-on electronic skills
  • Good communication and interpersonal skills
  • Computer literate education and experience w/ Microsoft products, Oracle
  • Can work independently and within a team environment
  • Familiarity with networking equipment including work with optical transceivers is a plus

Working Conditions

Normal office conditions. During customer lab or installation site visits may be exposed to some dust, some level of noise, etc.

Physical Requirements

  • Must be able to do occasional light lifting (max 25 lbs)

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

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.com Estimation for Sr. Principal, Field Applications Engineer - SF Bay Area in Fremont, CA
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