[Remote] Network Security Engineer

Note: The job is a remote job and is open to candidates in USA. Cerebras Systems is a company that builds the world's largest AI chip, delivering industry-leading training and inference speeds. They are seeking a Network Security Engineer to design and operate security controls for their data centers, cloud environments, and corporate infrastructure, ensuring the safety and operational integrity of their network as they scale to support demanding AI workloads.

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 the Detection & Response team on response playbooks
• Implement and operate network access controls including ZTNA, VPN, and remote access patterns
• Drive periodic firewall rule reviews, segmentation audits, and remediation campaigns to reduce risk and complexity
• Document network security architecture, controls, and operating procedures in clear runbooks

Skills

• 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
• Hands-on experience operating network controls in a major cloud environment, including VPCs, transit gateways, security groups, and cloud-native firewalls
• Practical understanding of ZTNA, segmentation, and modern network access patterns
• Solid fundamentals in TCP/IP, routing, switching, DNS, and TLS — with the ability to troubleshoot across the stack
• Excellent written communication skills, with the ability to create clear documentation for both engineers and operators
• AWS preferred
• Python preferred

Benefits

• Job stability with startup vitality
• Simple, non-corporate work culture that respects individual beliefs
• Continuous learning, growth and support of those around them

Company Overview

Cerebras Systems is the world's fastest AI inference. We are powering the future of generative AI. It was founded in 2015, and is headquartered in Sunnyvale, California, USA, with a workforce of 501-1000 employees. Its website is https://cerebras.ai.

Company H1B Sponsorship

Cerebras has a track record of offering H1B sponsorships, with 13 in 2026, 31 in 2025, 16 in 2024, 18 in 2023, 17 in 2022, 34 in 2021, 23 in 2020. Please note that this does not guarantee sponsorship for this specific role.