Skip to main content
CareerApp

Principal Systems Software Engineer

Crusoe

San Francisco, CA · full time · Principal

$260,000 – $340,000

Listed on Crusoe’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

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. The full posting is on their site.

Skills this role names

Log in to see which of these are already on your profile.

What they ask for

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

Turn on analytics and we load Google Analytics: Google gets the pages you open and what you do here — searches, jobs you view, jobs you apply to — and sets its own cookies. Leave it off and the only cookies we set are your login, your theme, and this answer. Accept All also records a yes to advertising, which nothing uses yet. Privacy Policy.