[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Coherent jobs](https://jobs.opennash.com/companies/coherent/) · [Search jobs](/search/) Coherent · Fremont, CA # Test Engineering Technician Fremont, CA, United States On-site Skilled Trades & Maintenance Listed on Coherent’s official careers site. Posted July 28, 2026. Check that it is still open and apply there. [Apply on Coherent’s careers site →](https://hcwp.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/2013846) [OpenNash Jobs](https://jobs.opennash.com/) / [Coherent](https://jobs.opennash.com/companies/coherent/) / Test Engineering Technician ## Job description ### Primary Duties & Responsibilities Work with test engineers on developing, assembling, qualifying and maintaining new testers for laser and photodiode characterization in mass production environment. Help tester instrumentation and new tester qualification. Collect and organize test data. Assist in creating tester documentation and interacting with operators and other engineers. Support existing testers by performing troubleshooting, creating new product recipes, maintaining spare parts, and performing daily SPC and calibration routines. This position may require working during weekends or night shifts. ### Education & Experience Associate degree in technical discipline, or high school diploma with relevant industrial experience Basic knowledge in electronics and optics, and semiconductor laser testing and instrumentation. Industrial experience in high-volume semiconductor manufacturing is highly desired. Hands-on experience in MS Office, including Word and Excel. Good communication skills. ### Skills Attention to detail Good at working with small parts Experience with semi-automated and automated processing tools - Familiarity with Microsoft Excel and Word Experience in wafer level or die level handling - Excellent communication skills, essential for effective teamwork and cross-disciplinary collaboration. Working Conditions This role will be based on-site in Fremont, CA. Regular use of a computer and other office equipment is necessary. Candidate to work on-site in a cleanroom environment where strict cleanliness rules will be enforced. Physical Requirements Able to stand for duration of shift when needed 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. 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. ## At a glance - Posted by the employer: Jul 28, 2026 - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 82 days - Location: Fremont, CA, United States - Work arrangement: On-site[Apply on Coherent’s careers site →](https://hcwp.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/2013846) ## More jobs at Coherent ### [Senior Epi Equipment Technician](https://jobs.opennash.com/companies/coherent/jobs/7ae6f17893d399c56abe/) Fremont, CA, United States ### [Senior Mechanical Engineer](https://jobs.opennash.com/companies/coherent/jobs/1d4cfebea960021d225c/) Fremont, CA, United States ### [Staff Mechanical Engineer](https://jobs.opennash.com/companies/coherent/jobs/b2635dc67d7850345301/) Fremont, CA, United States ### [Wafer Fab Technician](https://jobs.opennash.com/companies/coherent/jobs/b207e70d3a40169833de/) Fremont, CA, United States ## Similar jobs at other companies ### [Lead Test Engineering Technician](https://jobs.opennash.com/companies/eaton/jobs/7919889619ef491ec7c0/) Eaton · Grand Rapids, Michigan, USA ### [Senior Technician, PMIC Product & Test Development Engineering](https://jobs.opennash.com/companies/qualcomm/jobs/ed1c063a7d2d6f2f069a/) Qualcomm · San Diego, California, United States of America ### [Test Technician - Product Test Sr - N2](https://jobs.opennash.com/companies/lockheed-martin/jobs/bda71139cc10040cb49d/) Lockheed Martin · Camden, AR ### [Test Engineering Supv - L3](https://jobs.opennash.com/companies/lockheed-martin/jobs/b12d9a25f7eed7b341fe/) Lockheed Martin · Orlando, FL ### [Test Engineering Manager](https://jobs.opennash.com/companies/eaton/jobs/74a00bffbcb9fe8c42f1/) Eaton · Franksville, Wisconsin, USA OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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