SerDes Application Engineer - USA-CA San Jose Innovation Drive, United States
$121,900 - $195,000 USD yearly
Originally posted 20 July 2026 by the employer.
Support 200Gbps per lane PAM4 Ethernet and 64 GT/s PCIe Gen6 interfaces on Tomahawk 6 switch devices.
About the role
As a SerDes Applications Engineer in Broadcom's Core Switching Group (CSG), you will own technical support for high speed serial IO interfaces across Data Center, Service Provider, and Enterprise switching products. The role supports customer implementations involving 200Gbps per lane PAM4 Ethernet interfaces and 64 GT/s PCIe Gen6 interfaces on devices such as the Tomahawk 6 switch series.
What you'll do
- Own technical aspects and customer support relating to high speed serial IO interfaces across CSG products. - Replicate customer and field issues in the lab using reference designs and test equipment, troubleshooting complex hardware issues. - Provide technical escalation support to the global Field Applications Engineering organization and resolve architecture and low-level hardware issues. - Analyze detailed datapath flows through the MAC, PCS, and PMD of Ethernet SerDes Port Macros. - Debug SerDes software driver bugs and interface with engineering, software development, architecture, and marketing teams to develop collateral and training materials. - Deliver customer demonstrations, presentations, and technical documentation.
What you'll need
- B.S. or M.S. in Electrical/Computer Engineering or similar degree. - 8+ years of experience working with high speed SerDes and Analog IP. - Solid understanding of high speed SerDes architecture, channel loss, jitter, and typical impairments in high speed serial IO designs. - Hands-on experience with high speed debug, characterization, and script-based test automation.
Nice to have
- Experience working with PCIe including Gen6. - Experience working with 100/200 Gbps per lane Ethernet interfaces. - Hands-on debug experience with high speed oscilloscopes and BERTs. - Experience in test and screening methodology for high-speed interfaces. - Prior experience supporting high speed serial IO interfaces, Ethernet, or PCIe interfaces.
Skills: SerDes, applications engineer, high speed serial IO, PCIe, Ethernet
This role has been open 91 days — well above the 58-day median for Applications FAE roles.
Applications FAE · Serdes Highspeed
|
Open roles in category
88
|
Median days open
58 d
|
Median salary
$183k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Broadcom | All employers we track in this specialty (88 roles · 23 employers) |
|---|---|---|
| Open roles in this specialty | 3 | 88 |
| Median days open | 70 d | 58 d (+12 d vs this employer) |
| Median salary (USD postings) | — | $183k |
Skills observed across this category: SerDes, applications engineer, high speed serial IO, PCIe, Ethernet
Who's hiring in this category
- Astera Labs · 16 open roles · median 65 d
- Synopsys · 16 open roles · median 33 d
- Keysight Technologies · 9 open roles · median 48 d
- Qualcomm · 8 open roles · median 71 d
- Microchip Technology · 7 open roles · median 39 d
- Marvell Technology · 5 open roles · median 177 d
How we counted: 88 open Applications FAE (Serdes Highspeed) roles from 23 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.