Power Applications Engineer - Scottsdale, AZ, United States
Originally posted 25 August 2026 by the employer.
This role drives the development, validation, and adoption of onsemi’s eFuse, Hot-Swap, and power-switch solutions.
About the role
This role drives the development, validation, and adoption of onsemi’s eFuse, Hot-Swap, and power-switch solutions across AI, Cloud, Networking, and advanced-computing platforms. You will develop and refine performance-verification infrastructure to ensure robust, high-quality power-tree designs.
What you'll do
- Develop reference designs, evaluation platforms, and validation infrastructure for eFuse/Hot-Swap and power-switch solutions.
- Perform system modeling, power-tree analysis, and protection-strategy optimization.
- Support customers with design reviews, system bring-up, debug, and performance benchmarking.
- Generate technical collateral: application notes, whitepapers, reference schematics, simulation models.
What you'll need
- BS/MS in Electrical Engineering (focus on power electronics or related field).
- Experience with high-power or high-voltage systems (48/54V or 400/800V preferred).
- Understanding of eFuse/Hot-Swap, power-switching devices, or power-tree architecture.
- Familiarity with system modeling tools (SPICE, SIMPLIS, MATLAB, etc.).
Skills: power-tree designs, 48V/54V, 400V/800V, eFuse, Hot-Swap, power-switch control
This role has been open 33 days — well below the 67-day median for Applications FAE roles.
Applications FAE · Power Management
|
Open roles in category
202
|
Median days open
67 d
|
Median salary
$168k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | onsemi | All employers we track in this specialty (202 roles · 25 employers) |
|---|---|---|
| Open roles in this specialty | 11 | 202 |
| Median days open | 67 d | 67 d (same as this employer) |
| Median salary (USD postings) | — | $168k |
Skills observed across this category: power-tree designs, 48V/54V, 400V/800V, eFuse, Hot-Swap, power-switch control
Who's hiring in this category
- Monolithic Power Systems · 54 open roles · median 97 d
- Infineon Technologies · 34 open roles · median 68 d
- Texas Instruments · 21 open roles · median 33 d
- Analog Devices · 18 open roles · median 25 d
- Renesas Electronics · 18 open roles · median 25 d
- onsemi (this employer) · 11 open roles · median 67 d
How we counted: 202 open Applications FAE (Power Management) roles from 25 employers tracked in the SemiconductorJobs index, counted 28 Sept 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.