Pro members applied to this job 36 hours before you saw itGet Pro ›

Cerebras Systems - Principal Network Security Architect

Remote, California, United States; Sunnyvale CA or Toronto Canada - Hybrid4d ago

In Office Principal NA Cloud Computing Security Architect Principal Ansible Terraform Performance Management AWS Vendor Management

Requirements

• 10+ years of experience in enterprise and/or data center network engineering, including hands-on design and operations at scale. • Deep understanding in cloud networking and service mesh, with emphasis on K8s service mesh and virtual networks. • Deep expertise in routing, switching, and data center fabrics — including BGP, EVPN/VXLAN, and high-bandwidth/low-latency designs. • Hands-on experience with networking for high-performance compute or AI/ML workloads (RDMA, RoCE, InfiniBand exposure a plus). • Strong proficiency with network automation — infrastructure as code (Ansible, Terraform), version-controlled configuration, and CI/CD for network change. • Working knowledge of cloud networking (AWS preferred), including VPCs, transit gateways, Direct Connect, and hybrid connectivity patterns. • Experience operating networks at multi-site, global scale — including capacity planning, incident response, and vendor management. • Excellent written and verbal communication skills, with the ability to lead architecture conversations across technical and non-technical audiences.

Responsibilities

• Define and own the architectural roadmap for Cerebras's enterprise, data center, and cloud network estate. • Co-author secure design and lifecycle management of high-performance data center networking — including spine/leaf, RDMA, and high-bandwidth fabrics supporting wafer-scale compute. • Build and maintain an AI-agent based analysis and review framework for network changes as well as self-improvement driven by observed network patterns and use cases. • Partner with Network Security to deliver segmented, zero-trust-aligned network designs across data center and corporate environments. • Set standards for resiliency, observability, and capacity planning across the global network • Mentor engineers across regions (US, Canada, Bangalore, and beyond), and serve as the senior technical voice on cross-functional network initiatives. • Stay ahead of emerging networking patterns relevant to AI infrastructure and translate them into actionable architecture decisions.

Benefits

• People who are serious about software make their own hardware. At Cerebras we have built a breakthrough architecture that is unlocking new opportunities for the AI industry. With dozens of model releases and rapid growth, we’ve reached an inflection point in our business. Members of our team tell us there are five main reasons they joined Cerebras: • Build a breakthrough AI platform beyond the constraints of the GPU. • Publish and open source their cutting-edge AI research. • Work on one of the fastest AI supercomputers in the world. • Enjoy job stability with startup vitality. • Our simple, non-corporate work culture that respects individual beliefs. • Read our blog: Five Reasons to Join Cerebras in 2026.