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Principal Reliability Engineer

Coherent

Listing collected from Coherent's career site. NextChapter is independent of Coherent.

Horsham, PA · Posted November 10, 2026

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About the job

Primary Duties & Responsibilities

Perform FIT rate analysis during product development phase

Lead DFMEA analysis and report generation during product development phase for module, circuit pack or optical system products

Work with customer’s Subject Matter experts to agree on product Qualification requirements

Oversee Qualification testing and reports

Global regulatory compliance, such as FCC, ETL, CB, FDA, CE, RCM and etc

Co-ordinate product testing at external laboratories to Telecommunication industry standards such as GR-63 and GR-1089

Contribute to Root Cause Analysis and Corrective Action teams

Define Qualification requirements for internal products and component vendors

Education & Experience

• 5+ years of experience in optical device industry or equivalent

Track record in Design for Reliability and leading products through qualification, compliance and deployment.

Familiarity with Telcordia qualification standards for Passive and Active optical components and optical amplifiers

Familiarity with manufacturing processes for optical communication devices and systems

Experienced in system level design and trouble-shooting for design issues in EMC/ Safety /NEBS based testing (GR-63, GR-1089, & GR-78 , IEC/EN 60825- 1, IEC/EN 60825-2, IEC/EN 62368-1, EN 55032, EN 55035, ETSI EN 300 386, IEC 6100 series,FCC Part 15 ).

B.SC. in Engineering or Materials Science

Skills

Knowledge of reliability modeling methods such as fault trees, failure modes and effects analysis, and reliability block diagrams

Broad knowledge and experience with optical communication systems, fiber optic products/device reliability.

Experience with SR-332 and Weibull++ reliability tools

Good technical knowledge and understanding of fiber-optics and its practical application

Data management and analysis

Leadership and the ability to work

Strong ability to solve complex problems & make correct business decisions in short timeframes , often with limited inputs. Creative, analytical and structured problem solving capabilities

Excellent interpersonal, communication and presentation skills

Ability to prioritize multiple external and internal projects correctly

Working Conditions

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

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.:

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 .

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.