Senior Staff Engineer, Motor Drives & Power Tools - El Segundo, CA, United States
$135,900 - $186,900 USD yearly
Originally posted 22 October 2026 by the employer.
About the role
This role drives product definition and applications engineering for power MOSFETs (60 V and below) used in cordless power tools and battery-powered motor drive applications. The focus spans inverter architectures, gate drive, thermal design, and low-voltage BLDC/PMSM drives.
What you'll do
- Own product definition and positioning for low-voltage MOSFETs in cordless tools, garden/outdoor equipment, e-bikes, robotics, and other battery-powered BLDC/PMSM drives. - Provide application leadership on inverter architectures, gate drive, and thermal design in compact, high-current packages. - Perform electrical and thermal simulation using PLECS, SPICE, SIMetrix, and similar tools, correlating results with lab data. - Design evaluation boards and reference designs, including PCB layout and embedded firmware (PWM, FOC/sensorless control, protection). - Conduct hands-on motor drive testing, including double-pulse, efficiency, thermal, stall/locked-rotor, and EMI/ringing measurements. - Provide customer support from design-in through production, including schematic/layout reviews, debug, MOSFET selection, failure analysis, and technical collateral generation.
What you'll need
- BS in Electrical Engineering (or related) with 6+ years of experience, or MS with 4+ years of experience. - Semiconductor product definition, technical marketing, or applications engineering experience with power MOSFETs or discrete power devices. - Background in battery-powered motor drive applications, including cordless tools, BLDC/PMSM inverters, and low-voltage gate drive and protection. - Fundamentals in power electronics, MOSFET switching behavior, SOA, and thermal design, with the ability to interpret schematics and layouts. - Hands-on experience with PCB layout for power stages, firmware development (C/C++) for motor control, and lab measurements using oscilloscopes, current probes, power analyzers, dynamometers, and thermal imaging. - Proficiency with simulation tools such as PLECS, SPICE, and SIMetrix, as well as data tools including MATLAB/Python.
Skills: power MOSFET, motor drive, inverter, gate drive, SPICE
This role has been open 0 days — well below the 72-day median for Applications FAE roles.
Applications FAE · Power Management
|
Open roles in category
203
|
Median days open
72 d
|
Median salary
$158k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Infineon Technologies | All employers we track in this specialty (203 roles · 28 employers) |
|---|---|---|
| Open roles in this specialty | 34 | 203 |
| Median days open | 77 d | 72 d (+5 d vs this employer) |
| Median salary (USD postings) | — | $158k |
Skills observed across this category: power MOSFET, motor drive, inverter, gate drive, SPICE
Who's hiring in this category
- Monolithic Power Systems · 50 open roles · median 121 d
- Infineon Technologies (this employer) · 33 open roles · median 76 d
- Texas Instruments · 26 open roles · median 37 d
- Analog Devices · 18 open roles · median 43 d
- Renesas Electronics · 18 open roles · median 26 d
- Nexperia · 11 open roles · median 65 d
How we counted: 203 open Applications FAE (Power Management) roles from 28 employers tracked in the SemiconductorJobs index, counted 22 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.