Principal Network Security Architect

About the role

We are seeking a Principal Network Security Architect to lead the design and evolution of the networks that connect Cerebras’s data centers, offices, and cloud environments, delivering the fastest AI inference to customers such as OpenAI and AWS.

Key responsibilities

• Define and own the architectural roadmap for enterprise, data‑center and cloud network estates.
• Co‑author secure design and lifecycle management of high‑performance data‑center networking, including spine/leaf, RDMA and high‑bandwidth fabrics.
• Build and maintain an AI‑agent based analysis framework for network changes and self‑improvement.
• Partner with Network Security to deliver segmented, zero‑trust‑aligned designs across data‑center and corporate environments.
• Set standards for resiliency, observability and capacity planning across the global network.
• Mentor engineers across regions and act as senior technical voice on cross‑functional initiatives.

Required profile

• 10+ years of enterprise and/or data‑center network engineering experience with hands‑on design and operations at scale.
• Proven experience building networks for high‑performance compute or AI/ML workloads.
• Strong communication skills to lead architecture discussions with technical and non‑technical audiences.

Required skills

• BGP, EVPN/VXLAN, spine/leaf, RDMA, RoCE, InfiniBand.
• Kubernetes service mesh and virtual network design.
• Network automation using Ansible, Terraform and CI/CD pipelines.
• Cloud networking on AWS (VPC, Transit Gateway, Direct Connect, hybrid connectivity).

What we offer

• Opportunity to work on a breakthrough AI platform beyond GPU constraints.
• Access to one of the fastest AI supercomputers in the world.
• Startup vitality with job stability and a non‑corporate culture.