Principal Network Security Architect

Cerebras

. Define and own the architectural roadmap for the enterprise, data center, and cloud network estate .

Posted 11/6/2026full-timeSunnyvale • California • United StatesLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive expertise in enterprise and data center network engineering, with a focus on cloud networking, high-performance compute, and network automation. Proven ability to mentor engineers and lead cross-functional initiatives while ensuring compliance and security in network design.

Highest-signal resume keywords

10+ Years Experience In Network EngineeringCloud Networking And Service Mesh ExpertiseRouting, Switching, And Data Center Fabrics ProficiencyNetwork Automation With Ansible And TerraformHigh-Performance Compute Networking Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Enterprise Network EngineeringData Center Network DesignCloud NetworkingRouting And SwitchingBGPEVPN/VXLANNetwork AutomationCI/CD For Network ChangeHigh-Bandwidth NetworkingAI/ML Workloads Networking

Soft Skills

Excellent Communication SkillsMentoring

Tools & Technologies

AnsibleTerraformAWS VPCTransit GatewaysDirect Connect

Industry Keywords

Zero-Trust Network DesignCapacity PlanningIncident ResponseVendor ManagementExport Compliance

Tech Stack

Tools & technologies

AnsibleAWSCloudKubernetesSwitchingTerraform

About the role

Key responsibilities & impact

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, 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 and 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, including the US, Canada, and Bangalore
Serve as the senior technical voice on cross-functional network initiatives
Track emerging networking patterns relevant to AI infrastructure and translate them into architecture decisions

Requirements

What you’ll need

10+ years of experience in enterprise and/or data center network engineering, including hands-on design and operations at scale
Deep understanding of 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, including RDMA and RoCE; InfiniBand exposure is a plus
Strong proficiency with network automation, including Ansible, Terraform, version-controlled configuration, and CI/CD for network change
Working knowledge of cloud networking, including AWS 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
Export compliance assessment may require U.S. person status or authorization for access to controlled technology

Benefits

Comp & perks

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
Continuous learning, growth and support
Equal and diverse work environment