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Lumilens

Power Integrity Engineer

Job · Full-timeIn OfficeBengaluru5-6 years1 opening
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About this role

Lumilens is hiring for Power Integrity Engineer in Bengaluru. This opening was published by Lumilens on their official careers board (Ashby) on 4 February 2026 and was confirmed live on 14 September 2026. Job details • Company: Lumilens • Role: Power Integrity Engineer • Location: Bengaluru (as…

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Skills you'll use

PythonANSYSMATLAB

What you'll do

  • ⁠Perform PI simulations using tools like Ansys SIwave, Keysight ADS, or Cadence Sigrity to model and optimize PDN for OSFP modules, targeting <1mΩ target impedance across 10kHz-100MHz bandwidth.
  • Analyze and mitigate power rail decoupling, VRMs, and bypass capacitor placement for multi-rail supplies (0.8V core, 1.8V I/O, 3.3V aux) in high-current OSFP designs up to 100W+.
  • ⁠Collaborate on PCB stackups, via optimization, and plane splitting to reduce simultaneous switching noise (SSN) and ground bounce in 112G PAM4 SerDes environments.
  • Validate designs through lab measurements using VNA, oscilloscopes, and power analyzers; correlate simulations with hardware prototypes.
  • ⁠Support signal integrity co-optimization, thermal-PD synergy (e.g., integrating TIMs with PDN), and compliance to IEEE 802.3ck/802.3df standards.
  • Document PI reports, contribute to design reviews, and mentor junior engineers on best practices for hyperscale OSFP deployments.
  • ⁠Bachelor’s or Master’s in Electrical/Electronics Engineering, with focus on RF/mixed-signal design.

Who can apply

  • ⁠Bachelor’s or Master’s in Electrical/Electronics Engineering, with focus on RF/mixed-signal design.
  • 5+ years in PI for high-speed transceivers (OSFP, QSFP-DD, or CDFP preferred); hands-on with 50G+ SerDes.
  • ⁠Proficiency in PI tools (Ansys, HyperLynx, Sigrity) and scripting (Python/MATLAB) for automation.
  • ⁠Strong understanding of power converter topologies (Buck/Buck-Boost), ESL modeling, and EMI/EMC mitigation.
  • ⁠Experience with OSFP mechanical constraints, flex-rigid PCBs, and multi-die integration (e.g., co-packaged optics).

Perks & benefits

Competitive salary commensurate with experienceComprehensive benefits package including health insuranceProfessional development opportunities and certification supportAccess to cutting-edge technology and cloud platformsCollaborative work environment with cross-functional teams*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.

About Lumilens

ABOUT LUMILENS At Lumilens we are building the critical photonics infrastructure that powers tomorrow’s AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is unlocking a new era of computing faster, cooler, and massively more efficient. We’re a…
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