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DSP Engineer

Lumilens· Engineering
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San JoseFull-timePosted 1mo ago

About the role

We are seeking a DSP Engineer to join Lumilens to combine deep digital signal processing expertise with hands-on hardware design for ultra-high-speed serial data systems, advancing measurement capabilities for AI infrastructure applications and aligning with IEEE 802.3 where strategic.

Responsibilities

  • Serve as a subject matter expert for high-speed serial data measurements, combining advanced DSP expertise with practical 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 to support precise and reliable results across Lumilens’ product development efforts.
  • Support advanced measurement work aligned with IEEE 802.3 standards and Lumilens’ strategic technical priorities.
  • Contribute to Functional Receiver measurement work while maintaining confidentiality around patent-pending details.
  • 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, improving upon current architectures above 250 fs.

Qualifications

  • 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.
  • Strong communication skills with the ability to work effectively across engineering, research, and product teams.

Skills

Required:Digital signal processing for high-speed serial data measurementsHardware design for high-speed measurement systemsMeasurement algorithms, signal integrity, jitter analysisIEEE 802.3 standards familiarityAlgorithms to hardware/tool translationCommunication across teams
Nice to have:TECQ/TDECQ measurements (preferred)Optical communications / SerDes / photonics (preferred)

Benefits

  • Competitive salary commensurate with experience
  • Comprehensive benefits package including health insurance
  • Professional development opportunities and certification support
  • Access to cutting-edge technology and cloud platforms
  • Collaborative work environment with cross-functional teams
  • Innovate with a Silicon Valley headquartered team, change the world
  • Lumilens is an equal opportunity employer. All qualified applicants will receive consideration without regard to race, color, religion, gender, identity, orientation, veteran status, disability, or any other legally protected status.
Last updated Sep 5, 2026. Interested? Apply on the company site.

About Lumilens

Connectivity Platform for AI

Lumilens provides next-gen photonic interconnects for massively scaling out – and scaling up – AI compute infrastructure.

Photonic InterconnectsNext-Gen ManufacturingSystem-level knowledgeLumicore platformCPO/SiPh manufacturing
Company profileWebsite

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