VCSEL and Laser Development Engineer

Responsibilities

• Create and develop VCSEL devices that can be used in advanced sensing technologies and AI applications.
• Ensure that the simulation models accurately represent the device’s behavior and convert these models into practical, working designs.
• Plan, execute, and oversee experiments to test and confirm the effectiveness and performance of the VCSEL designs.
• Work closely with customers to understand their needs and performance criteria and deliver designs that not only meet but surpass their expectations.
• Create and apply methods and systems to precisely measure and evaluate the performance of the VCSEL devices.

• Minimum 7-10 yrs. experience working in optoelectronics devices design - epitaxy, fabrication and testing
• PhD/MS/BS or equivalent degree. Preferred with optoelectronics and semiconductor background.

• Device and material modelling
• Statistical analysis - JMP, Matlab
• Strong interpersonal, teaming, and problem-solving skills.
• Work effectively with other members of Coherent Corp.

• Working conditions are normal for an open concept office environment and climate-controlled manufacturing cleanroom and R&D lab.
• Must have flexibility to support a 24/7 operation.

• 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 arms.
• Work in a Class 100/1000 clean room and lab environment as needed. Wear appropriate PPE and complying with site safety protocols. Work with and/or around gases/chemicals, both hazardous and non-hazardous.

All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.

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.

• I Integrity – Create an Environment of Trust
• C Collaboration – Innovate Through the Sharing of Ideas
• A Accountability – Own the Process and the Outcome
• R Respect – Recognize the Value in Everyone
• E 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.

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.

• Job Identification 2009386
• Posting Date 11/18/2025, 05:30 PM
• Degree Level Doctorate Degree
• Job Schedule Full time
• Locations 6800 South, US-75, Sherman, TX, 75090, US (Hybrid)