Network Security Engineer

About the Role:

• We are seeking a Network Security Engineer to design, build, and operate network security controls for data centers, cloud, and corporate infrastructure.
• You will own the lifecycle of firewall, segmentation, and network detection capabilities, turning policy into automated, testable infrastructure.
• The right candidate brings hands-on network security depth, an automation-first mindset, and ability to operate across enterprise, data center, and cloud network domains.

Responsibilities:

• Design and operate firewall, segmentation, and zero-trust controls across data center, corporate, and cloud (AWS) networks.
• Build and maintain network security infrastructure as code — including firewall rules, policy automation, and CI/CD-driven deployment.
• Lead network lifecycle management: design review, configuration baselines, change automation, and ongoing rule hygiene.
• Build detection capabilities for network-based attacker behaviors and partner with Detection & Response team on response playbooks.

Skills and Qualifications:

• Master's degree or higher in computer science.
• Deep expertise with industry leading firewalls, including policy design, automation, and operations.
• Strong proficiency with infrastructure as code (Terraform, Ansible) and at least one scripting language (Python preferred).
• Hands-on experience operating network controls in a major cloud environment (AWS preferred), including VPCs, transit gateways, security groups, and cloud-native firewalls.

Why Join Cerebras:

• 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.
• Enjoy job stability with startup vitality and a simple, non-corporate work culture.