# Principal Systems Software Engineer

Hiring organization: [Crusoe](https://career.thegoodapps.co/organizations/crusoe)

Canonical page: https://career.thegoodapps.co/jobs/ed87a25f-d97e-4e8e-97ea-493e584be5bf

Listed on Crusoe's own careers site. Applications go to them directly.

- Employment type: full time
- Seniority: Principal
- Location: San Francisco, CA
- Salary: 260000 – 340000 USD per year

## Summary

Crusoe is seeking a visionary infrastructure architect to design the core systems powering their AI compute platform, unifying bare-metal, virtualized, and containerized workloads into a unified high-performance fabric. This role demands deep expertise in kernel internals, GPU I/O optimization, and hyperscale cloud architecture, suited for someone who has shipped production infrastructure at major cloud providers and is ready to redefine AI infrastructure design.

_Our summary, not Crusoe's wording._

## Skills named

Kubernetes, Linux Kernel

## Required

- 12+ years designing and shipping core infrastructure at a hyperscaler or HPC cloud
- Deep knowledge of Linux kernel internals and virtualization (KVM, QEMU, Firecracker)
- High-performance networking expertise (RoCE v2, InfiniBand)
- Proven ability to optimize software for NVIDIA/AMD GPUs and high-speed NICs
- Experience leading cross-functional R&D teams through high-ambiguity projects to production-ready systems
- Ability to communicate complex technical concepts to both engineers and executives
- Bachelor's or Master's degree in Computer Science, Computer Engineering, or related field (or equivalent professional experience)

## Nice to have

- Patents in network virtualization, GPU scheduling, or distributed file systems
- Maintainer status or major contributions to Linux Kernel, Kubernetes, or HPC projects
- Direct experience optimizing LLM training and inference infrastructure at scale
- Peer-reviewed publications at top systems venues (OSDI, SOSP, NSDI, SC)
- Significant open-source contributions or industry white papers on distributed systems and high-performance networking

Apply on Crusoe's site: https://jobs.ashbyhq.com/Crusoe/a1ad6adb-6706-4490-9512-fd8fcb51dae9/application