Intern, Test Engineering

Job Summary We are seeking a motivated and detail-oriented Test Technician Intern to join our Test Development Engineering team for Summer 2026. This role will get hands on experience of what it is like to support the manufacturing facility, and for production support activities that support existing test infrastructure on the floor. Primary Duties & Responsibilities Maintain existing test infrastructure on the production floor Bring up new test infrastructure on the production floor Support improvements/upgrades to test infrastructure on the production floor Support the smooth flow of material through test infrastructure on the production floor Support engineering in developing and implementing new test infrastructure Update and maintain test documentation Provide test equipment-related training to operators Perform calibrations and validations of test equipment Perform material dispositions Perform, analyze, and act on SPC charts & maintain SPC material Analyze and act on production and test related KPIs Perform basic DOEs for engineers Co-develop calibration procedures with senior technicians and engineers Co-develop SOPs and OCAPs with senior technicians and engineers Ownership and accountability of production floor performance and misses on all test equipment Successfully present and communicate to management on any topics of interest/concern Cross-train other technicians on all test infrastructure / job requirements Advanced analysis of engineering and production data from multiple sources and present analyses / summaries in verbal and written presentations to engineers and management Develop and perform advanced DOEs for engineers

Education & Experience Education Level Required:

[Select all that apply: Some College Skills & Other Requirements Excellent written and verbal communication. Team-oriented but able to work independently when needed. Adaptable and eager to learn in a fast-paced environment. Attention to detail and time management.

Additional Information Internship Duration:

10

• 14 weeks.

At Coherent, interns are valued members of our team and have the opportunity to make meaningful contributions from day one. In addition to hands-on project experience, our internship program includes opportunities to connect with fellow interns and colleagues across the organization through virtual and in-person networking events, team-building activities and more. Interns are expected to actively participate in these events as part of their professional development and to fully immerse themselves in our collaborative and innovative culture. Working Conditions This role will be based on-site in Sherman Texas Regular use of a computer and other office equipment is necessary. Physical Requirements Sitting for extended periods while working on a computer or in 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. Safety Requirements All employees are required to follow the site EHS procedures and Coherent Corp. EHS standards. Quality & 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.