[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 Driver Development Engineer Fremont, CA, United States On-site Supply Chain & Logistics Listed on Coherent’s official careers site. Posted September 3, 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/2014522) [OpenNash Jobs](https://jobs.opennash.com/) / [Coherent](https://jobs.opennash.com/companies/coherent/) / Test Driver Development Engineer ## Job description ### Primary Duties & Responsibilities Design, develop, and implement low-level software drivers (embedded firmware) specifically for STM32 microcontrollers, as well as for other in-house designed test boards and instruments. Design and develop low-level software drivers (embedded firmware) in C/C++, C#, VB.NET for our in-house designed test boards and instruments. Collaborate with hardware designers to integrate new boards into the existing software architecture. Work closely with the hardware design team to debug new instruments/boards. Lead the release and qualification process of new instruments/boards into production. Read and interpret complex electrical schematics to support the development and debugging of hardware and software integrations. Operate hands-on in the lab with digital multimeters (DMMs), oscilloscopes, and logic analyzers to test and validate designs. ### Education & Experience A BS/MS degree in Electronics/Electrical Engineering (EE) or a related field, underscoring a strong foundation in EE principles. Minimum 2 years of experience in a similar position. ### Skills Advanced programming skills in.NET languages (C/C++, C#, VB.NET). Experience with instrument communications protocols (GPIB, SCPI, i2c, UART). A thorough understanding of high-speed digital data concepts and the ability to read and interpret electrical schematics. Hands-on experience in the lab with essential tools such as DMMs, oscilloscopes, and logic analyzers. Knowledge of Digital Signal Processing (DSP) is considered a significant advantage. Proven ability to work collaboratively with hardware design teams and proficiency in debugging complex systems. Working Conditions This position is predominantly onsite May require 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 or interact with colleagues. 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: Sep 3, 2026 - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 45 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/2014522) ## More jobs at Coherent ### [Director of Indium Phosphide (InP) Wafer Fab Operations](https://jobs.opennash.com/companies/coherent/jobs/1238dd464117f9925404/) Fremont, CA, United States ### [Director, Product Management](https://jobs.opennash.com/companies/coherent/jobs/6c3ad5dc5b2d52a42691/) Fremont, CA, United States ### [Director, Strategic Marketing](https://jobs.opennash.com/companies/coherent/jobs/b60831a2b0e834952815/) Fremont, CA, United States ### [Lead Design Engineer](https://jobs.opennash.com/companies/coherent/jobs/bb65ca3801d4d066afde/) Fremont, CA, United States ## Similar jobs at other companies ### [Sr Test Development Engineer](https://jobs.opennash.com/companies/eaton/jobs/ede29dc38177d2eaeffa/) Eaton · Tijuana, Baja California, MEX ### [Development Test Engineer](https://jobs.opennash.com/companies/bae-systems/jobs/94c1bb5b0dea11c3408e/) BAE Systems · Endicott, New York, United States ### [Test Development Engineer](https://jobs.opennash.com/companies/bae-systems/jobs/53d25ea723421ba0362e/) BAE Systems · Endicott, New York, United States ### [Senior Test Program Set Development Engineer](https://jobs.opennash.com/companies/lockheed-martin/jobs/ebf56123980020cddad9/) Lockheed Martin · Fort Worth, TX ### [Senior Staff Engineer IC Test Development](https://jobs.opennash.com/companies/infineon-technologies/jobs/121979a5e67fc5c2e433/) Infineon Technologies · Melaka, Andover, MA OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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