Sr. SI/PI Engineer - Serdes, Satellites (Starlink)

SpaceX

Quick summary

Work type
On-site
Location
Sunnyvale, CA
Salary
$140,000–$190,000 / yr
Posted
today

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How this pay compares to similar roles

Similar $164k
This role $165k
$122k most similar roles pay here $201k

This role pays more than 59% of similar roles. Most pay $135,000–$193,000 — the shaded band above. At the midpoint, this role pays about $165k versus about $164k for comparable roles.

Based on 238 similar postings.

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About SpaceX

SpaceX designs, manufactures, and launches advanced rockets and spacecraft with the mission of enabling humans to become a multi-planetary species. It operates the Falcon 9, Falcon Heavy, and Starship launch vehicles, as well as the Starlink satellite internet constellation.

SpaceX currently has 604 open roles on FindRole.

Listed pay typically runs $130,000–$155,000 across 440 roles with salary data.

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TL;DR · Sr. SI/PI Engineer - Serdes, Satellites (Starlink)

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As a Senior Signal and Power Integrity (SI/PI) Engineer on Starlink’s Payload Engineering team, you will own the SI and PI aspects throughout the lifecycle of satellite hardware, working closely with electrical, mechanical, thermal analysis, software, antenna/RF engineering teams. Your responsibilities include specifying, designing, simulating, verifying, qualifying, and troubleshooting high-speed SERDES systems up to 112+ Gbps, memory interfaces like DDR4 and LPDDR5, and power delivery networks for complex ASICs. You will define design processes and tools, derive top-level specifications for PCB materials, optimize transition structures, and drive detailed component selection. With expertise in 3D EM simulation tools and high-speed digital channel simulators, you must have a strong background in full lifecycle hardware development and experience with cutting-edge DSP-based SERDES products. This role requires extensive knowledge of wireline transceiver concepts, low-loss laminates, and high-volume PCB manufacturing, as well as the ability to resolve EMI/EMC issues in dynamic cross-functional teams.

Skills

CST HFSS ADS Python MATLAB DDR4 LPDDR5 GPDDR6 QSPI eMMC PDN ASIC FPGA SoC EMI/EMC 3D EM simulation high-speed digital channel simulators low loss laminates PCB manufacturing high-speed connectors

What you'll do

  • Specify and design high-speed SERDES systems up to 112Gbps.
  • Define and optimize power delivery networks for complex ASICs and SoCs.
  • Troubleshoot and resolve issues in PCB manufacturing and satellite integration.
  • Develop simulation workflows and test methodologies for SI/PI verification.
  • Collaborate with cross-functional teams to architect new satellite hardware products.

What we're looking for

  • 5+ years of experience designing circuits and electronic products from concept to production.
  • Extensive experience with high-speed digital design, including SERDES at speeds up to 112Gbps.
  • Proficient in specifying, analyzing, debugging high-speed memory interfaces like DDR4 and LPDDR5.
  • Expertise in designing power delivery networks for complex ASICs and large processors.
  • Master’s degree or PhD in electrical engineering with focus on electromagnetic theory and transmission lines.
  • Experience using 3D EM simulation tools (CST, HFSS) and high-speed digital channel simulators.

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