Principal Network Security Architect

The role

The Principal Network Security Architect will lead the design and evolution of networks connecting data centers, offices, and cloud environments. This role sets architectural direction for high-performance, resilient enterprise and data center networking.

What you will do

• Define and own the architectural roadmap for the enterprise, data center, and cloud network estate.
• Co-author secure design and lifecycle management of high-performance data center networking.
• Build and maintain an AI-agent based analysis and review framework for network changes.
• Partner with Network Security to deliver segmented, zero-trust-aligned network designs.
• Set standards for resiliency, observability, and capacity planning across the global network.
• Mentor engineers across regions.
• Serve as the senior technical voice on cross-functional network initiatives.
• Translate emerging networking patterns into actionable architecture decisions.

Required qualifications

• 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.
• Strong proficiency with network automation including infrastructure as code (Ansible, Terraform), version-controlled configuration, and CI/CD for network change.
• Working knowledge of cloud networking 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.

Nice to have

• RDMA, RoCE, InfiniBand exposure a plus
• AWS preferred

Benefits

• Build a breakthrough AI platform beyond the constraints of the GPU
• Publish and open source cutting-edge AI research
• Work on one of the fastest AI supercomputers in the world
• Job stability with startup vitality
• Simple, non-corporate work culture that respects individual beliefs

About the company

Cerebras Systems builds the world's largest AI chip. The company works with leading model labs, global enterprises, and cutting-edge AI-native startups.