Network Security Engineer

Cerebras
Sunnyvale
Workplace: HybridFull timeFunction: CybersecurityExperience: 7+ yearsSkills: ["Network troubleshooting","Written communication","Documentation"]

Build, operate, and secure the network infrastructure supporting data centers, cloud environments, and AI systems. You’ll manage firewall, segmentation, routing/switching, access controls, and inbound/outbound network policies (NAT, load balancers, DNS filtering, proxies, egress). Partner with Security Operations on telemetry and detection, troubleshoot network protocols, and automate security workflows using Terraform, Ansible, GitOps, Python, and policy as code.

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FursaFursa
Cerebras
Cerebras
2 days ago

Network Security Engineer

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Source: Company careers pageValidated by: Fursa AI
Last checked: 17 hours agoStatus: Live

Job Summary

Build, operate, and secure the network infrastructure supporting data centers, cloud environments, and AI systems. You’ll manage firewall, segmentation, routing/switching, access controls, and inbound/outbound network policies (NAT, load balancers, DNS filtering, proxies, egress). Partner with Security Operations on telemetry and detection, troubleshoot network protocols, and automate security workflows using Terraform, Ansible, GitOps, Python, and policy as code.
Location: Sunnyvale
Workplace: Hybrid
Employment Type: Full time
Job Function: Cybersecurity
Seniority: Mid level

Key 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 across corporate, compute, customer, and infrastructure environments.
  • •Manage inbound and outbound network controls (public exposure, NAT, load balancers, DNS filtering, proxies, egress policies).
  • •Automate network and security workflows using Terraform, Ansible, GitOps, Python, and policy as code; support network telemetry, detection, investigation, and containment with Security Operations.

Key Requirements

  • •7+ years of experience in network security, network engineering, cloud security, or infrastructure security.
  • •Hands-on experience with firewalls, ACLs, segmentation, routing/switching, VPNs, and network troubleshooting.
  • •Experience operating data center and on-premises network infrastructure.
  • •AWS networking experience, including VPCs, transit gateways, security groups, and load balancers.
  • •Proficiency with Terraform, Ansible, Python, GitOps, and policy-as-code; familiarity with ZTNA, NAC, egress controls, TCP/IP, DNS, and TLS.
Experience:7+ yearsAIHPCLarge-scale computeData center networkingCloud security
Skills:Network troubleshootingWritten communicationDocumentation
Tech Stack:TerraformAnsibleGitOpsPythonAWSVPCTransit gatewaysSecurity groupsLoad balancersPalo AltoJuniperCloudflare

Company Brief

Cerebras
Designs and builds wafer-scale AI accelerators and systems for large-scale deep learning workloads, delivering specialized hardware and software to accelerate model training and inference for enterprises and research institutions.
Industry: Hardware Devices
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Headquarters: Sunnyvale, United States
Founded: 2016
WebsiteLinkedIn