CareerPlan

Sr. Principal Hardware Engineer

Sunnyvale, California, United States of AmericaFull-time$181k–$367k2026-10-05 → 2026-11-10
Based in United States

Core

Lead the end-to-end design and development of next-generation high-performance networking hardware and liquid-cooled scale-up systems.

Role type

Sr. Principal Hardware Engineer (System Architecture & Board Design)

Builds

High-density, high-power circuit boards and liquid-cooled data center systems for networking and AI/ML workloads.

Domain

Networking hardware, High-Performance Computing (HPC), AI/ML infrastructure, Liquid cooling

Required skills

High-speed signaling (100G/200G), High-density PCB design, FPGA development, Signal Integrity (SI) analysis, Power Integrity (PI) analysis, Thermal management (liquid cooling), System architecture, Mechanical integration

Preferred skills

Experience with scale-up systems, High-performance computing, Networking, AI/ML accelerators

Technologies

100G/200G interfaces, FPGA, Liquid cooling systems, Cold plates, Manifolds

Responsibilities

Own the hardware design lifecycle from concept to production, Design high-performance high-density circuit boards, Develop FPGA solutions and integrate with hardware/firmware, Perform SI/PI analysis, Collaborate on liquid cooling architectures, Identify technical risks and drive solutions

Seniority

Principal, hands-on IC with strategic ownership