Principal Network Architect

About the Company

Crusoe is a vertically integrated AI infrastructure company that owns and operates each layer of the stack to power the world's most ambitious AI workloads. They are building the future of energy and intelligence through an energy-first approach to AI infrastructure.

Responsibilities

• Own end-to-end network architecture for AI data centers, including spine-leaf fabrics, RDMA, and inter-campus WAN design
• Design and evolve SDN control plane architectures for programmable underlay and overlay networking
• Define Kubernetes networking, including CNI selection, network policies, and BGP peering
• Architect Intent-Based Networking (IBN) frameworks and establish GitOps-driven network provisioning
• Build and own the network Source of Truth (SoT) strategy, including IPAM and DCIM
• Design automation workflows using tools like Ansible, Nornir, or Terraform
• Define streaming telemetry architecture and closed-loop remediation pipelines
• Mentor senior and staff network engineers and establish engineering standards

Requirements

• 12+ years of network engineering and architecture experience
• 5+ years in a leadership role
• Expertise in large-scale data center design (500+ switches)
• Deep proficiency in BGP, EVPN/VXLAN, OSPF, and ECMP
• Experience with SDN controllers and network programmability (NETCONF/YANG, gNMI)
• Proficiency in Kubernetes networking (Calico, Cilium, etc.)
• Understanding of RDMA and HPC networking (RoCEv2, InfiniBand)
• Strong software engineering fundamentals (Git, CI/CD, Terraform, Ansible)

Preferred Qualifications

• Experience at a hyperscaler, AI cloud provider, or HPC center
• Hands-on experience with SONiC OS or P4 programmable data planes
• Open source contributions to networking projects
• Familiarity with formal network verification tools like Batfish
• Relevant certifications such as CCIE or JNCIE