Senior Engineer, Space GPU Compute Fabric & Networking

Blue Origin LLC; Littleton (CO); On-site; USD 112,000 - 187,000; Full time

Benefits offered by this job

Medical insurance

Stock options

401(k) match

Parental leave

Paid time off

Job summary

Blue Origin is seeking a hardware-leaning systems engineer to own the foundational decisions for the high-speed interconnect fabric in a large-scale orbital data center. You will design, implement, and optimize the fabric from physical layer to software stack, ensuring resilience under radiation and supporting multi-tenant workloads.

You will lead topology decisions, bring-up and operation of fabric software, and collaborate with software teams to optimize model-parallel AI performance on a

Qualifications

• Bachelor of Science in Computer Science, Electrical Engineering, or a related field.
• 8+ years of experience in HPC networking, datacenter fabric design, or GPU cluster engineering.
• Expertise with high-speed, direct GPU-to-GPU interconnects and high-radix fabric switches.
• Hands-on experience with large-scale network topology and fabric management tools.
• Proficiency with collective communication libraries.
• U.S. citizenship, permanent residency, or protected status as required.

Responsibilities

• Architect the hierarchical GPU interconnect topology for a large-scale accelerator cluster.
• Own the configuration, bring-up, and operation of fabric management software.
• Lead hardware qualification of fabric switches for space environment and mitigate radiation effects.
• Tune communications performance across the fabric and define bandwidth/latency budgets.
• Collaborate with software teams to co-design fabric topology with model parallelism strategies.
• Interface with platform software teams to manage fabric software bring-up and integration.

Skills

HPC networking

Datacenter fabric design

GPU cluster engineering

Network topology at scale

Collective communication libraries

Fabric management tools

Interconnect software

Performance tuning

Education

Bachelor of Science in a related field

Master’s or Ph.D. in a relevant discipline

Tools

NCCL

RCCL

InfiniBand fabrics

Job description

Blue Origin is seeking a hardware-leaning systems engineer to own the foundational decisions for the high-speed interconnect fabric in a large-scale orbital data center. You will design, implement, and optimize the fabric from physical layer to software stack, ensuring resilience under radiation and supporting multi-tenant workloads.

You will lead topology decisions, bring-up and operation of fabric software, and collaborate with software teams to optimize model-parallel AI performance on a