High-Speed DSP Engineer for AI Optical Interconnects

Lumilens Inc.; San Jose, Northern (CA, KY); Hybrid; USD 120,000 - 190,000; Full time

Benefits offered by this job

Health insurance

Professional development support

Competitive salary

Job summary

Lumilens Inc. is seeking a DSP Engineer to join our growing team. You will combine deep DSP expertise with hands-on hardware design to advance ultra-high-speed measurement capabilities for AI infrastructure applications.

You will help improve measurement accuracy, reliability, and performance, including work aligned with IEEE 802.3 standards. Collaboration across engineering, research, and product teams will be essential to success.

Qualifications

• Strong expertise in digital signal processing for high-speed serial data measurements.
• Hands-on hardware design experience for high-speed measurement systems.
• 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.

Responsibilities

• Serve as a subject matter expert for high-speed serial data measurements, combining DSP with practical hardware design knowledge.
• Develop and refine measurement techniques and algorithms for ultra-high-speed signaling systems.
• Improve TECQ/TDECQ measurement accuracy and related algorithms across product development.
• Support IEEE 802.3 aligned measurement work and Lumilens’ priorities.
• Contribute to functional receiver measurement work while maintaining confidentiality where needed.
• Research, design, and develop tools for ultra-high-speed serial data applications.
• Drive hardware improvements that reduce timebase jitter toward targeted fs.

Skills

DSP expertise

Hardware design

Signal integrity

IEEE 802.3 familiarity

Education

Advanced degree in Electrical Engineering or related

Tools

High-speed test equipment

Receiver modeling

Job description

Lumilens Inc. is seeking a DSP Engineer to join our growing team. You will combine deep DSP expertise with hands-on hardware design to advance ultra-high-speed measurement capabilities for AI infrastructure applications.

You will help improve measurement accuracy, reliability, and performance, including work aligned with IEEE 802.3 standards. Collaboration across engineering, research, and product teams will be essential to success.