Senior SI/PI Engineer — Serdes for Starlink Payloads

SpaceX; Palo Alto (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

SpaceX is seeking a Sr. SI/PI Engineer to own signal integrity and power integrity for Starlink satellite hardware, from silicon architecture through PCB layout and production.

You will collaborate with RF, antenna, ASIC, packaging, mechanical, software, and other engineers to architect new products, define PDN and channel specs, and drive debugging across the lifecycle.

This role requires hands-on analysis, leadership across teams, and a passion for delivering best-in-class space hardware.

Qualifications

• Bachelor’s degree in electrical engineering, computer engineering, or physics.
• 5+ years designing circuits, hardware, or electronic products.
• 2+ years with 3D EM tools and high-speed digital channel simulators (CST, HFSS, ADS).
• 2+ years of research or industry experience with high-speed digital design or power integrity.

Responsibilities

• Specify, design, simulate, verify, qualify, define production screens for, and generally troubleshoot SI and PI aspects of advanced satellite hardware.
• Work alongside RF, antenna, ASIC, packaging, mechanical, software, supply chain, and production engineers to architect new products with novel channels and power delivery.
• Derive top-level specifications for PCB materials and channel subcomponents.
• Design and optimize transition structures for the entire channel from die bump to die bump.
• Drive detailed component selection to accompany PDN designs.
• Root cause and fix issues found in PCB manufacturing, PCBA test, or satellite integration.
• Define best practices, simulation workflows, test methodologies, sign-off criteria, and lab equipment needs for all SI/PI needs on Starlink satellite payloads.

Skills

Python

C/C++

Cross-functional collaboration

Power integrity

High-speed digital design

EMI/EMC troubleshooting

Education

Bachelor's degree in Electrical/Computer Engineering or Physics

Tools

CST

HFSS

ADS

Job description

SpaceX is seeking a Sr. SI/PI Engineer to own signal integrity and power integrity for Starlink satellite hardware, from silicon architecture through PCB layout and production.

You will collaborate with RF, antenna, ASIC, packaging, mechanical, software, and other engineers to architect new products, define PDN and channel specs, and drive debugging across the lifecycle.

This role requires hands-on analysis, leadership across teams, and a passion for delivering best-in-class space hardware.