Principal Engineer, Applications

Job DescriptionPrimary Duties & ResponsibilitiesCustomer Technical Support - 60%Quick response technical support customer issues or inquiriesWork with internal teams to resolve customer issues and complete Root Cause AnalysisProvide technical support for PLM and Quality team customer interactionsReview PLM and R&D product specifications, providing real-world feedback to new product developmentReview and/or propose test scope and detailed plan.Review with R&D team and conduct any necessary pre-testing to ensure trial successPerform testing at customer site as requiredCustomer Demo and Trial Support - 30%Review and/or propose test scope and detailed plan.Review with R&D team and conduct any necessary pre-testing to ensure trial successPerform testing at customer site as requiredTechnical Training and Documentation - 20%New product installation and operation training for the front line customer support teamProvide technical Customer Installation and Operating documentationEducation & ExperienceM.Sc. or B.Sc. degree in Electrical Engineering, Computer Science or Physics8+ years working experience in optical communication companies as technical support manager or engineer, development engineer or system verification engineer.Experience with the following technologies: Coherent optical transceivers, DWDM, OTN, optical network architectures, and network management protocols.Experience investigating field issues and RMA supportExperience using and troubleshooting network management systemExperience in coding Python script is preferred.Experience in product development is preferred.SkillsTravel 25% to 33% of time, to meet customer support needs7x24 on-call supportStrong communication and negotiation skillsCreative, analytical and structured problem-solving capabilityTeam oriented and a self-starterWorking ConditionsWorking conditions typical of a climate controlled and professional office environment. This role routinely requires use of standard office equipment such as computers, phones, copiers, filing cabinets, etc.Physical RequirementsThe physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to stand; walk; use hands to finger, handle or feel; and reach with hands and armsSafety RequirementsAll employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.Quality and Environmental ResponsibilitiesDepending 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 CommitmentEnsure adherence to company's values (ICARE) in all aspects of your position at Coherent Corp.:Integrity - Create an Environment of TrustCollaboration - Innovate Through the Sharing of IdeasAccountability - Own the Process and the OutcomeRespect - Recognize the Value in EveryoneEnthusiasm - Find a Sense of Purpose in WorkCoherent 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 UsCoherent 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 InfoJob Identification Posting Date 10/20/2026, 05:00 PMDegree Level Bachelor's DegreeJob Schedule Full timeLocations 5100 Patrick Henry Drive, Santa Clara, CA, 95054, US (Hybrid)Pay Scale $146,000 - $202,063 per year