Demo

Lead Optical Test Engineer

Coherent Corp.
Horsham, PA Full Time
POSTED ON 3/20/2026
AVAILABLE BEFORE 5/30/2026
Job Description

Primary Duties & Responsibilities

  • Develop detailed Design Verification plans for new coherent products.
  • Design optical transmission test subsystems for use in verification and regression testing in Horsham, PA lab
  • Evaluate complex modulation formats using optical test bench
  • Perform verification and regression testing of coherent products.
  • Document test results in detailed reports to be shared both internally and externally.

Education & Experience

  • B.Sc. or M.Sc. in Optics, Physics or any related field
  • 5-year minimum experience developing and testing optical systems or subsystems

Skills

  • Hands-on lab experience is a must.
  • Team player who is willing to work on a multitude of projects simultaneously
  • Results oriented and strong problem-solving attitude
  • Experience with developing and using Python coding for automation of test equipment a plus
  • Understanding of optical transmission impairments
  • Strong understanding of advanced multi-level modulation techniques, DQPSK, DP-QPSK, QAM, OFDM, etc
  • Experience with testing of high data rate Coherent optical communication systems preferred (800G and 1.6T).
  • Familiar with commercially available Test equipment and optical link simulators (in particular: VPI transmission maker).

Working Conditions

Collaborative working environment focused on developing products with cutting edge technology. Job requires on site in-office support, but a hybrid blend of in-office and work from home may be an option depending on needs of the organization. Limited travel may be required, primarily working with other Coherent sites.

Physical Requirements

Limited, must be able to test developed hardware in engineering lab, in conjunction with other team members. No heavy lifting or strenuous physical activity required.

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 talentacquisition@coherent.com .

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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Salary : $88,550 - $151,580

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