[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All ON Semiconductor jobs](https://jobs.opennash.com/companies/on-semiconductor/) · [Search jobs](/search/) ON Semiconductor · San Jose, CA # Field Applications Systems Engineer San Jose, CA, United States Operations Listed on ON Semiconductor ’s official careers site. Posted September 22, 2026. Check that it is still open and apply there. [Apply on ON Semiconductor ’s careers site →](https://hctz.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1001/job/2506747) [OpenNash Jobs](https://jobs.opennash.com/) / [ON Semiconductor ](https://jobs.opennash.com/companies/on-semiconductor/) / Field Applications Systems Engineer ## Job description The Field Applications Systems Engineer provides technical support for strategic customers in the San Francisco Bay Area, with a primary focus on power electronics applications and Wide Bandgap (WBG) semiconductor technologies including Silicon Carbide (SiC) and Gallium Nitride (GaN). This role works closely with customer engineering teams to evaluate, design, and implement onsemi solutions across energy infrastructure, industrial power, electrification, renewable energy, AI power delivery, and advanced power conversion applications. The engineer will collaborate with sales, applications, marketing, product engineering, quality, and reliability teams to support customer development activities and enable successful product adoption. The ideal candidate has a solid foundation in power electronics and semiconductor technologies, enjoys solving technical problems, and is comfortable supporting both device-level and system-level engineering discussions ## Responsibilities Provide technical support for strategic customer programs from initial evaluation through production. Assist customers with device selection, design reviews, validation, troubleshooting, and technical issue resolution. Support customer adoption of onsemi solutions including SiC, GaN, power devices, gate drivers, sensing, and protection products. Participate in customer meetings, technical reviews, workshops, and product demonstrations. Develop application-focused knowledge of customer systems and power conversion architectures. Collaborate with Sales, Applications Engineering, Product Marketing, Product Engineering, Quality, and Reliability teams to address customer requirements. Create technical presentations and system block diagrams to support customer engagements. Document technical findings, customer activities, and action items. Communicate customer requirements and product feedback to internal teams. Stay current on power electronics technologies, industry trends, and emerging WBG applications. ## Qualifications Bachelor's degree in electrical engineering or a related technical discipline. 8+ years of relevant experience with a Bachelor's degree, or 6+ years of relevant experience with a Master's degree. Experience in Applications Engineering, Field Applications Engineering, Power Electronics Design, Semiconductor Engineering, or a related technical field. ### Knowledge of power semiconductor technologies, including Silicon Carbide (SiC) Gallium Nitride (GaN) MOSFETs IGBTs Gate Drivers and Power ICs Experience with one or more of the following: AC-DC power conversion DC-DC converters DC-AC inverters Battery management and protection systems Motor control systems Ability to analyze and troubleshoot power electronics circuits and systems. Experience using laboratory equipment such as oscilloscopes, power analyzers, electronic loads, and programmable power supplies. Strong written, verbal, and presentation skills. Ability to work effectively with customers and cross-functional engineering teams. Willingness to travel as needed to support customer engagements. ### Preferred Qualifications Master's degree in electrical engineering or a related field. Experience supporting energy infrastructure, renewable energy, EV charging, battery management, industrial automation, or data-center power applications. Experience working for a semiconductor supplier, power electronics company, or industrial OEM. Knowledge of thermal design, reliability, EMI/EMC, or power module technologies. Familiarity with SiC or GaN device applications and design considerations. Customer-facing technical support experience. onsemi is excited to share the base salary range for this position is $138, 575.00 to $ 176,410.00. The r ange exclusive of fringe benefits, or potential bonuses. The final pay rate for the successful candidate will depend on geographic location, skills, education, experience, and/or consideration of internal equity of our current team members. We also offer a competitive benefits package. [https://www.onsemi.com/site/pdf/Benefits-Summary-USA.pdf](https://www.onsemi.com/site/pdf/Benefits-Summary-USA.pdf) ## At a glance - Posted by the employer: Sep 22, 2026 - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 26 days - Location: San Jose, CA, United States[Apply on ON Semiconductor ’s careers site →](https://hctz.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1001/job/2506747) ## More jobs at ON Semiconductor ### [Package Development Engineer](https://jobs.opennash.com/companies/on-semiconductor/jobs/c35cc91af0ad90c18e54/) San Jose, CA, United States ### [Principal Reliability Engineer](https://jobs.opennash.com/companies/on-semiconductor/jobs/b5952af053b0d419d879/) San Jose, CA, United States ### [Applications Engineer (Power Management, DC-DC)](https://jobs.opennash.com/companies/on-semiconductor/jobs/3085917dbc7a9fef42df/) San Jose, CA, United States ### [BU pricing analyst](https://jobs.opennash.com/companies/on-semiconductor/jobs/86c63fc0b4499174fa10/) San Jose, CA, United States ### [Capacity Planner](https://jobs.opennash.com/companies/on-semiconductor/jobs/ab928fd6ac2477faa0c7/) San Jose, CA, United States ## Similar jobs at other companies ### [Sr. Staff Field Applications Engineer](https://jobs.opennash.com/companies/infineon-technologies/jobs/da160cc225cdd450f422/) Infineon Technologies · San Jose, CA ### [Field Applications Engineer (TEM)](https://jobs.opennash.com/companies/thermo-fisher-scientific/jobs/59306ef7221926412fee/) Thermo Fisher Scientific · Remote, Oregon, United States of America ### [Field Applications Engineer](https://jobs.opennash.com/companies/arrow-electronics/jobs/923b33955ce91a218896/) Arrow Electronics · Peabody, MA, United States of America ### [Field Applications Engineer](https://jobs.opennash.com/companies/arrow-electronics/jobs/63bb312cd5d63cb44a52/) Arrow Electronics · Centennial, CO, United States of America ### [Field Systems Engineer](https://jobs.opennash.com/companies/lockheed-martin/jobs/2cf28a911a70fbc4a1c7/) Lockheed Martin · Moorestown, NJ [Jobs in San Jose, CA](/locations/us/ca/san-jose/)[Jobs in California](/locations/us-ca/)[Operations jobs](/functions/operations/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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