Principal Systems Software Engineer
Crusoe is an AI infrastructure and cloud computing company. It provides GPU cloud capacity, managed AI services, inference, fine-tuning, data centers, and energy infrastructure for AI developers and enterprise customers.
Maintainer signals as of 8/23/2026
Funding history
Projects
About Crusoe, Inc
Crusoe designs, builds, and operates energy-first AI infrastructure, including data centers, GPU cloud computing, and modular AI factories. Crusoe Cloud provides GPU clusters, managed Kubernetes and Slurm, storage, networking, observability, managed inference, serverless fine-tuning, and model deployment through Crusoe Intelligence Foundry. Its customers include AI startups, enterprises, and organizations developing training, inference, analytics, and other compute-intensive workloads.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
Lead the design of next-generation AI infrastructure spanning bare-metal, virtualized, and containerized compute. Shape the I/O path, advise on hardware and software co-design, lead research and development workstreams, write technical strategy documents, debug kernel-level systems, optimize GPU cluster performance, and represent the work in open-source and industry forums.
Requirements
- 12+ years designing and shipping core infrastructure at a major hyperscaler or specialized HPC cloud
- Authoritative knowledge of the Linux kernel
- Knowledge of KVM, QEMU, and Firecracker
- Knowledge of RoCE v2 and InfiniBand
- Experience designing software for NVIDIA or AMD GPUs and high-speed NICs
- Experience leading cross-functional teams through high-ambiguity projects
- Experience delivering production-ready mission-critical systems
- Significant industry contributions such as patents, open-source contributions, or published research
- Bachelor's or master's degree in computer science, computer engineering, or a related analytical field, or equivalent professional experience
Responsibilities
- Architect bare-metal GPU infrastructure over InfiniBand and RDMA fabrics
- Design thin virtualization layers using KVM or custom micro-VMs
- Build container infrastructure using Kubernetes or Slurm
- Lead the architecture of the internal cloud fabric
- Drive the roadmap for SR-IOV, RDMA, and virtualized GPU scheduling
- Lead research and development workstreams
- Draft white papers and RFCs
- Debug race conditions in the I/O path
- Optimize kernel-level memory pinning for GPU clusters
- Represent Crusoe in open-source communities and industry forums
Benefits
- Competitive compensation
- Restricted Stock Units
- Paid time off
- Paid holidays
- Comprehensive health insurance
- Dental insurance
- Vision insurance
- Employer HSA contributions
- Paid parental leave
- Paid life insurance
- Short-term disability insurance
- Long-term disability insurance
- Professional development
- Tuition reimbursement
- Mental health and wellness support
- Commuter benefits
- Cell phone stipend
- 401(k) retirement plan with company match up to 4% of salary
- Volunteer time off