Senior Applications Engineer - San Jose
Originally posted 8 June 2026 by the employer.
Support customer evaluation and system bring-up for automotive Ethernet PHYs and SerDes interfaces.
About the role
Provide technical support to customers during the evaluation and development of systems related to automotive Ethernet PHYs. This role focuses on hands-on bring-up, debugging, and customer enablement for Ethernet PHYs and bridge products.
What you'll do
- Provide technical support to customers during evaluation and development of systems related to automotive Ethernet PHYs. - Perform hands-on bring-up and debugging of customer boards and evaluation kits to replicate and resolve issues. - Track, monitor, and follow up on customer technical issues to ensure timely resolution. - Develop customer-facing technical materials, including integration guides, application notes, API documentation, and training content. - Prepare and deliver application training sessions and support trade show demonstrations. - Partner with cross-functional teams, including product management, design engineering, and quality assurance, to align product capabilities with customer needs.
What you'll need
- Degree in Electrical Engineering, Physics, or a related field. - 3+ years of experience as an Application Engineer or Systems Engineer within automotive or Ethernet applications, including hands-on debugging. - Strong understanding of SerDes protocols and interfaces such as XFI/10GBASE-R, USXGMII, SGMII/RGMII, xxBASE-T1, I2C, and MDC/MDIO. - Proficiency in C and Python, with experience in scripting and software development. - Experience reviewing schematics and PCB layouts. - Familiarity with Ethernet PHYs (1000BASE-T1 / Multi-GigBASE-T1) and bridge products.
Skills: technical support to customers, automotive Ethernet PHYs, SerDes protocols, debugging customer boards, application notes
This role has been open 154 days — well above the 59-day median for Applications FAE roles.
Applications FAE · Serdes Highspeed
|
Open roles in category
92
|
Median days open
59 d
|
Median salary
$183k
|
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 (92 roles · 23 employers) |
|---|---|---|
| Open roles in this specialty | 2 | 92 |
| Median days open | 110 d | 59 d (+51 d vs this employer) |
| Median salary (USD postings) | — | $183k |
Skills observed across this category: technical support to customers, automotive Ethernet PHYs, SerDes protocols, debugging customer boards, application notes
Who's hiring in this category
- Astera Labs · 16 open roles · median 70 d
- Synopsys · 15 open roles · median 38 d
- Keysight Technologies · 11 open roles · median 45 d
- Qualcomm · 9 open roles · median 53 d
- Microchip Technology · 7 open roles · median 44 d
- Marvell Technology · 5 open roles · median 182 d
How we counted: 92 open Applications FAE (Serdes Highspeed) roles from 23 employers tracked in the SemiconductorJobs index, counted 24 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.