Relativity Space
High Performance Compute Responsible Engineer
$175K–$263K
Long Beach, California +1 · Full-time · Posted Jun 10, 2026
- Location
- Long Beach, California
Long Beach, California, United States - Experience
- 5+ years designing and bringing up high-speed digital compute boards; ideally with direct exposure to GPU, HPC, or modern accelerator platforms.
- Education
- BSEE
About the job
Own the design, bringup, and validation of high-performance compute boards for onboard AI/ML inference and science data processing in the Relay Data Center.
What you'll do
- Design compute boards delivering at least 10 TFLOPS, from schematic capture through board-level validation.
- Architect power delivery and design high-speed memory, PCIe, and Ethernet interfaces, including power monitoring and radiation-upset recovery circuitry.
- Lead hands-on hardware bringup and debugging in close collaboration with software engineers.
What they ask for
- BSEE.
- Proficiency in high-speed digital PCB design, including multi-GHz signaling, dense BGA escape routing, and signal integrity analysis.
- Strong power integrity and power delivery network design skills, including multi-rail architectures and voltage sequencing.
- Strong experience designing, analyzing, and debugging high-speed serial interfaces, particularly PCIe Gen 4/5 and Ethernet.
Nice to have
- Experience writing basic firmware for hardware bringup and validation.
- Experience with space-qualified COTS hardware, PCB layout, embedded systems debugging, or thermal management.
Pay
$175,000 — $263,000 USD (base salary)
Tools
GPU, CPU, HBM, DDR5, PCIe Gen 4/5, 10 GbE+ Ethernet, ECC memory scrubbing
AI focus
Design compute hardware for onboard AI/ML inference and science data processing.
Model-written summary · the original posting is authoritative