About the company
Cerebras Systems builds the world's largest AI chip, 56 times larger than GPUs, delivering industry-leading training and inference speeds. Cerebras works with leading model labs, global enterprises, and AI-native startups.
Responsibilities
- Operate firewalls, ACLs, segmentation, and network security controls across data center, corporate, and AWS environments
- Support hands-on data center network operations, including deployment, configuration, troubleshooting, maintenance, and lifecycle management
- Implement and maintain segmentation, firewall, and ACL policies
- Manage inbound and outbound network controls, including public exposure, NAT, load balancers, DNS filtering, proxies, and egress policies
- Implement and operate VPN, ZTNA, NAC, Wi-Fi, and vendor or partner connectivity
- Perform recurring firewall rule reviews, segmentation audits, and remediation
- Automate network and security workflows using Terraform, Ansible, GitOps, Python, and policy as code
- Support network telemetry, detection, investigation, and containment
- Troubleshoot routing, switching, TCP/IP, DNS, TLS, and cloud networking issues
- Maintain network architecture documentation, procedures, and runbooks
Requirements
- 7+ years of experience in network security, network engineering, cloud security, or infrastructure security
- Strong hands-on experience with firewalls, ACLs, segmentation, routing, switching, VPNs, and network troubleshooting
- Experience operating data center and on-premises network infrastructure
- Experience with AWS networking, including VPCs, transit gateways, security groups, and load balancers
- Experience with Palo Alto, Juniper, Cloudflare, or similar platforms
- Proficiency with Terraform, Ansible, Python, GitOps, or similar automation tools
- Strong understanding of ZTNA, NAC, egress controls, TCP/IP, DNS, and TLS
- Strong written communication and documentation skills
- Ability to work regularly on-site in Sunnyvale, CA
Conditions
- 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
- Non-corporate work culture