Principal System Application Engineer - San Jose, CA
$158,240 - $254,210 USD yearly
Originally posted 1 September 2026 by the employer.
This role focuses on MPU/MCU and Wi-Fi/BLE technical domains for Consumer Wearables solutions.
About the role
As a Principal System Application Engineer on the Marketing team, you will work with customers to transform Infineon products into designs.
What you'll do
- Own the Application Marketing technical feedback loop from the field into the organization.
- Collaborate to define and develop system-level demos, reference designs, PoCs, and MVPs that optimize for Infineon product content.
- Develop and deliver technical marketing content for Consumer Wearables solutions related to product launches, trade shows, and regional team training or digital marketing campaigns.
- Track industry technical trends and developments, including emerging technologies and competitor activities.
What you'll need
- 10+ years of experience in the MPU/MCU and Wi-Fi/BLE technical domains.
- Significant knowledge in mixed-signal and analog systems.
- Ability to think creatively and develop technical solutions to complex problems, with a focus on system approach.
- Proven track record in customer-facing roles.
- Master's/Bachelor’s in Electrical Engineering, Computer Science (or equivalent) preferred.
Nice to have
- Familiarity with wireless protocols and standards such as Bluetooth and Wi-Fi.
Skills: pre-sales technical support, design-in, reference designs, customer-facing, MPU/MCU, mixed-signal
This role has been open 38 days — well below the 92-day median for Applications FAE roles.
Applications FAE · Mixed Signal
|
Open roles in category
52
|
Median days open
92 d
|
Median salary
—
|
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 (52 roles · 15 employers) |
|---|---|---|
| Open roles in this specialty | 4 | 52 |
| Median days open | 127 d | 92 d (+35 d vs this employer) |
| Median salary (USD postings) | — | — |
Skills observed across this category: pre-sales technical support, design-in, reference designs, customer-facing, MPU/MCU, mixed-signal
Who's hiring in this category
- Analog Devices · 10 open roles · median 33 d
- Texas Instruments · 9 open roles · median 42 d
- Arrow Electronics · 5 open roles · median 99 d
- Microchip Technology · 5 open roles · median 114 d
- Infineon Technologies (this employer) · 4 open roles · median 127 d
- Omni Design Technologies · 4 open roles · median 120 d
How we counted: 52 open Applications FAE (Mixed Signal) roles from 15 employers tracked in the SemiconductorJobs index, counted 15 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.