Principal Network Security Architect

Cerebras Systems

Principal Network Security Architect leading network design for Cerebras's AI infrastructure. Building resilient enterprise and cloud networks to deliver the fastest AI inference to customers like OpenAI.

Posted 6/23/2026full-timeRemote • California • 🇺🇸 United StatesLeadWebsite

Tech Stack

Tools & technologies

AnsibleAWSCloudKubernetesSwitchingTerraform

About the role

Key responsibilities & impact

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.

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 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.

Benefits

Comp & perks

Enjoy job stability with startup vitality
Our simple, non-corporate work culture that respects individual beliefs

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

network engineeringcloud networkingservice meshroutingswitchingdata center fabricsnetwork automationinfrastructure as codehigh-performance computeAI/ML workloads

Soft Skills

mentoringcommunicationleadershipcollaborationcapacity planningincident responsecross-functional teamworktechnical guidanceproblem-solvingadaptability