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Senior Signal Integrity Engineer

Lumilens·Bengaluru

Pay not stated15–20 yrsFull-time
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About the role

We are seeking a senior SI Engineer with 15–20 years of experience to lead board‑level high‑speed electrical design and validation for 1.6T DR8 (200G/lane) OSFP optical modules, including technical leadership across multiple projects and mentoring of the SI team.

What you'll do

  • Own SI/PI architecture and strategy for 1.6T DR8 OSFP modules: define channel budgets, interface architectures
  • Lead pre‑ and post‑layout SI/PI simulations and reviews (S‑parameters, eye/PAM4 analysis, COM, crosstalk, jitter
  • Define PCB stack‑ups, materials (e.g., ultra‑low‑loss laminates), via and breakout strategies, connector selections, and routing guidelines to meet performance, cost
  • Drive cross‑functional technical decisions with hardware, optics, mechanical, FW, and test teams, balancing SI/PI requirements against thermal, mechanical
  • Lead lab correlation and validation plans: fixture/board design, TDR/VNA/BERT/oscilloscope measurements, de‑embedding strategies

What you need

  • 15–20 yrs of experience
  • Root cause analysis
  • B.Tech or B.E. or M.Tech

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