DSP Engineer - San Jose, United States
Originally posted 31 August 2026 by the employer.
About the role
This role combines digital signal processing expertise with hardware design experience to advance Lumilens’ measurement capabilities for ultra-high-speed serial data systems supporting AI infrastructure applications.
What you'll do
- Serve as a subject matter expert for high-speed serial data measurements, combining DSP expertise with hardware design knowledge.
- Develop and refine advanced measurement techniques and algorithms for ultra-high-speed optical and electrical signaling systems.
- Improve TECQ/TDECQ measurement accuracy and related algorithms.
- Support advanced measurement work aligned with IEEE 802.3 standards.
- Contribute to Functional Receiver measurement work.
- Research, design, and develop tools for ultra-high-speed serial data applications in AI infrastructure.
- Drive hardware improvements that reduce timebase jitter toward 100 fs.
What you'll need
- Strong expertise in digital signal processing for high-speed serial data measurements.
- Hands-on hardware design experience for high-speed measurement systems, optical transceivers, or related photonics/electrical test platforms.
- Demonstrated experience with advanced measurement algorithms, signal integrity, jitter analysis, and high-bandwidth instrumentation.
- Familiarity with IEEE 802.3 measurement methodologies and optical communication standards.
- Ability to translate complex measurement challenges into practical algorithms, tools, and hardware improvements.
Nice to have
- Experience with TECQ/TDECQ measurements, equalization, waveform processing, and receiver modeling.
- Background in optical communications, high-speed SerDes, photonics, or AI infrastructure interconnect technologies.
- Experience developing measurement automation tools, test platforms, or custom instrumentation workflows.
- Advanced degree in Electrical Engineering, Photonics, Applied Physics, or a related technical discipline.
Skills: high-speed serial data, DSP expertise, optical and electrical signaling, TECQ/TDECQ measurement, hardware design
This role has been open 29 days — well below the 78-day median for High-Speed IO/SerDes Design roles.
High-Speed IO/SerDes Design · Serdes Highspeed
|
Open roles in category
238
|
Median days open
78 d
|
Median salary
$177k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Lumilens | All employers we track in this specialty (238 roles · 49 employers) |
|---|---|---|
| Open roles in this specialty | 2 | 238 |
| Open roles in the wider Analog & Mixed-Signal family | 4 | 1385 · 107 employers |
| Median days open | 42 d | 78 d (−36 d vs this employer) |
| Median salary (USD postings) | — | $177k |
Skills observed across this category: high-speed serial data, DSP expertise, optical and electrical signaling, TECQ/TDECQ measurement, hardware design
Who's hiring in this category
- AMD · 27 open roles · median 66 d
- Synopsys · 25 open roles · median 46 d
- Qualcomm · 20 open roles · median 57 d
- Cadence Design Systems · 18 open roles · median 180 d
- Micron Technology · 11 open roles · median 75 d
- Apple · 10 open roles · median 12 d
How we counted: 238 open High-Speed IO/SerDes Design (Serdes Highspeed) roles from 49 employers tracked in the SemiconductorJobs index, counted 29 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 — it is counted in the wider Analog & Mixed-Signal family row. Figures refresh nightly.