Network Security Engineer

Cerebras - Sunnyvale, CA

Hiring: Network Security Engineer Company: Cerebras Location: Sunnyvale, CA Job Posted Time: 2026-09-10 13:04:11 Employment Type: On-site Target Skills & Keywords : AWS, Ansible, Cloudflare, DNS, GitOps, Python, TCP/IP, TLS, Terraform, User Experience, VPN About the job Experience: •AI, HPC, or large-scale compute environments. •Data center networking and security. •AWS network security and segmentation. •DNS filtering, SWG, proxy, or SASE platforms. •Public exposure and attack surface remediation. Required Skills: •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 across corporate, compute, customer, and infrastructure environments. •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 of unnecessary network exposure. •Automate network and security workflows using Terraform, Ansible, GitOps, Python, and policy as code. •Support network telemetry, detection, investigation, and containment in partnership with Security Operations. Qualifications: •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. •Proficiency with Terraform, Ansible, Python, GitOps, or similar automation tools. •In-depth knowledge of ZTNA, NAC, egress controls, TCP/IP, DNS, and TLS. •Strong written communication and documentation skills. •Demonstrated capacity to work regularly on-site in Sunnyvale, CA and perform hands-on work in data center environments. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!