Field Applications Systems Engineer - San Jose, CA, United States
$131,575 - $222,755 USD yearly
Originally posted 22 July 2026 by the employer. Relisted by the employer on 22 September 2026.
Focus on Wide Bandgap semiconductor technologies including Silicon Carbide (SiC) and Gallium Nitride (GaN) for advanced power conversion.
About the role
The Field Applications Systems Engineer provides technical support for strategic customers in the San Francisco Bay Area, focusing on power electronics applications and Wide Bandgap (WBG) semiconductor technologies including Silicon Carbide (SiC) and Gallium Nitride (GaN). This role collaborates with customer engineering teams to evaluate, design, and implement solutions across energy infrastructure, industrial power, electrification, renewable energy, AI power delivery, and advanced power conversion applications.
What you'll do
- 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 solutions including SiC, GaN, power devices, gate drivers, sensing, and protection products. - Develop application-focused knowledge of customer systems and power conversion architectures, creating technical presentations and system block diagrams. - Collaborate with Sales, Applications Engineering, Product Marketing, Product Engineering, Quality, and Reliability teams to address customer requirements. - Stay current on power electronics technologies, industry trends, and emerging WBG applications.
What you'll need
- Bachelor's degree in electrical engineering or a related technical discipline with 8+ years of relevant experience, or a Master's degree with 6+ years of relevant experience. - 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, and Gate Drivers and Power ICs. - Experience with one or more power architectures: AC-DC power conversion, DC-DC converters, DC-AC inverters, battery management and protection systems, or motor control systems. - Ability to analyze and troubleshoot power electronics circuits and systems using laboratory equipment such as oscilloscopes, power analyzers, electronic loads, and programmable power supplies. - Willingness to travel as needed to support customer engagements.
Nice to have
- 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.
Skills: Field Applications Engineer, design-in, solution selling, customer technical engagement, power, analog, mixed-signal applications
This role has been open 89 days — well above the 69-day median for Applications FAE roles.
Applications FAE · Power Management
|
Open roles in category
205
|
Median days open
69 d
|
Median salary
$154k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | onsemi | All employers we track in this specialty (205 roles · 25 employers) |
|---|---|---|
| Open roles in this specialty | 8 | 205 |
| Median days open | 65 d | 69 d (−4 d vs this employer) |
| Median salary (USD postings) | — | $154k |
Skills observed across this category: Field Applications Engineer, design-in, solution selling, customer technical engagement, power, analog, mixed-signal applications
Who's hiring in this category
- Monolithic Power Systems · 52 open roles · median 118 d
- Infineon Technologies · 33 open roles · median 73 d
- Texas Instruments · 26 open roles · median 34 d
- Renesas Electronics · 20 open roles · median 21 d
- Analog Devices · 19 open roles · median 46 d
- Nexperia · 11 open roles · median 62 d
How we counted: 205 open Applications FAE (Power Management) roles from 25 employers tracked in the SemiconductorJobs index, counted 19 Oct 2026. Specialty figures count only roles carrying this exact specialty label, so an employer's related work in neighbouring specialties is not included there. Figures refresh nightly.