Principal Network Architect
Crusoe is an AI infrastructure company that designs, builds, and operates AI data centers and a cloud platform. It provides managed AI services, GPU compute, model fine-tuning and inference, and infrastructure operations for organizations building and deploying AI workloads.
Projects
About Crusoe
Crusoe, the AI factory company, provides Crusoe Cloud and Crusoe Intelligence Foundry for AI development and production. Its offerings include managed inference, serverless fine-tuning, high-performance NVIDIA and AMD compute, accelerated storage, RDMA networking, managed Kubernetes and Slurm, and operations tooling. The company also designs, builds, and operates modular AI data-center infrastructure using an energy-first approach, serving customers that need scalable training, inference, and AI platform infrastructure.
Skills
About the Role
You will define and own network architecture across bare-metal data centers, RDMA interconnects, SDN control planes, Kubernetes networking, and cloud overlays. You will establish intent-based and declarative networking practices, build source-of-truth and automation workflows, define telemetry and remediation systems, lead architecture reviews, and mentor network engineers.
Requirements
- 12+ years of progressive network engineering and architecture experience
- At least 5 years in a leadership role
- Experience designing large-scale data center networks with 500+ switches across multi-campus environments
- Expert knowledge of BGP, EVPN/VXLAN, OSPF, ECMP, BFD, and data center routing design
- Production experience with SDN controllers and network programmability
- Hands-on Kubernetes networking experience, including CNI selection, network policies, and BGP integration
- Understanding of RDMA and HPC networking, including RoCEv2, InfiniBand, PFC, ECN, and lossless fabric design
- Software engineering fundamentals, including Git, CI/CD, code review, and infrastructure-as-code tooling
- Strong written and verbal communication skills
Responsibilities
- Own end-to-end network architecture for AI data centers, including spine-leaf fabrics, out-of-band management, RDMA interconnects, and inter-campus WANs
- Design and evolve SDN control planes for programmable underlay and overlay networking
- Define Kubernetes CNI selection, network policies, service mesh, and BGP peering architecture
- Architect intent-based networking frameworks and declarative GitOps-driven provisioning
- Build and own the network source-of-truth strategy, including IPAM, DCIM, and CMDB data models
- Design day-0, day-1, and day-2 network automation workflows
- Define streaming telemetry, intent verification, and closed-loop remediation pipelines
- Establish engineering standards, lead architecture reviews, and author design documents
- Mentor senior and staff network engineers
Benefits
- Restricted Stock Units
- Paid time off, paid holidays, and leave of absence programs
- Health, dental, and vision insurance
- Employer HSA contributions
- Paid parental leave
- Life insurance and short-term and long-term disability insurance
- Professional development and tuition reimbursement
- Mental health and wellness support
- Commuter benefits
- Cell phone stipend
- 401(k) plan with company match up to 4% of salary
- Volunteer time off
- Global travel insurance and emergency assistance
- Daily meals allowance