Lumilens
Power Integrity Engineer
Bengaluru, India. Posted 9 months ago
The role
The Power Integrity Engineer will optimize power distribution networks for OSFP transceiver designs. You will collaborate with cross-functional teams to ensure low-noise power delivery for high-speed silicon photonics, DSPs, and retimers.
What you will do
- Perform PI simulations using Ansys SIwave, Keysight ADS, or Cadence Sigrity to model and optimize PDN for OSFP modules.
- Analyze and mitigate power rail decoupling, VRMs, and bypass capacitor placement for multi-rail supplies.
- Collaborate on PCB stackups, via optimization, and plane splitting to reduce SSN and ground bounce.
- Validate designs through lab measurements using VNA, oscilloscopes, and power analyzers.
- Correlate simulations with hardware prototypes.
- Support signal integrity co-optimization, thermal-PD synergy, and compliance to IEEE 802.3ck/802.3df standards.
- Document PI reports and contribute to design reviews.
- Mentor junior engineers on best practices for hyperscale OSFP deployments.
Required qualifications
- Bachelor’s or Master’s in Electrical/Electronics Engineering, with focus on RF/mixed-signal design.
- 5+ years in PI for high-speed transceivers.
- Hands-on with 50G+ SerDes.
- Proficiency in PI tools (Ansys, HyperLynx, Sigrity).
- Proficiency in 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.
Nice to have
- OSFP, QSFP-DD, or CDFP preferred
- Familiarity with thermal co-simulation (e.g., Ansys Icepak integration)
- Knowledge of advanced materials like low-Dk dielectrics or embedded passives
- Prior work on 1.6T OSFP or CPO (Co-Packaged Optics) prototypes
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
About the company
Lumilens is building photonics infrastructure for AI supercomputing, including chip-to-chip optical interconnects and scalable photonic engines. It is a well-funded startup backed by Mayfield.