Lightmatter
Principal Field Application Engineer
$250K–$300K
Mountain View, CA +1 · Remote · Principal · Full-time · Posted Aug 12, 2026
- Location
- Mountain View, CA
Remote - USA - Experience
- 10+ years of related experience in the high-tech electronics industry; the posting does not state alternatives.
- Education
- BS or MS in Engineering, Mathematics, Physics, or Computer Science (or equivalent experience).
- Visa sponsorship
- Candidates should have capacity to comply with federally mandated U.S. export control laws.
About the job
Supports semiconductor customers in architecting and delivering high-speed I/O designs using Lightmatter’s photonic interconnect technology, Passage.
What you'll do
- Provide end-to-end technical support for customer high-speed I/O designs, from early assessment and design reviews through hardware debugging.
- Develop technical proposals based on customer requirements and system architectures; support customer design wins with Lightmatter Engineering.
- Guide and train the FAE team on high-speed I/O, including producing technical articles and reference designs.
What they ask for
- BS or MS in Engineering, Mathematics, Physics, or Computer Science (or equivalent experience).
- 10+ years of related experience in the high-tech electronics industry with high-speed serial I/O design, including transceiver architecture, CDR, DFE or other.
- In-depth knowledge of signal integrity, power integrity simulation, related hardware design, and familiarity with SI/PI EDA simulation tools and models, e.g. Keysight ADS.
- Customer-facing skills and effective communication with customers.
Nice to have
- Familiarity with digital signal processing theory and tools like Matlab Simulink; analog and mixed-signal design, ADC, or DAC experience.
- C, C++ and other software experience; customer-facing silicon photonics/optics expertise or experience deploying optics at data-center scale.
Pay
$250,000 — $300,000 USD (sales compensation; on-target earnings)
Tools
Passage, Keysight ADS, Matlab Simulink, C, C++, CDR, DFE, ADC
AI focus
Supports high-speed I/O designs for photonic interconnect technology used in data-center AI and HPC workloads.
Model-written summary · the original posting is authoritative