Network Security Engineer (Remote)
Cerebras · Remote (US)
About this role
## Network Security Engineer (Remote) **Cerebras Systems** is seeking a **Network Security Engineer** to build, operate, and secure the network infrastructure supporting our **data centers, cloud environments, corporate network, and AI systems**. This is a **remote, U.S.-based individual contributor** role working across **network security** and **network operations**. You’ll support **firewalls, segmentation, routing/switching, network access, and automation**, collaborating with on-site data center and infrastructure teams. **Occasional travel** may be required. --- ### Responsibilities - Operate **firewalls**, **ACLs**, **segmentation**, and other **network security controls** across data center, corporate, and **AWS** environments. - Remotely support data center network **deployment, configuration, troubleshooting, maintenance, and lifecycle management**. - Implement and maintain **segmentation, firewall, and ACL policies** across corporate, compute, customer, and infrastructure environments. - Manage inbound/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/partner connectivity**. - Perform recurring **firewall rule reviews**, **segmentation audits**, and remediate unnecessary exposure. - Automate network and security workflows using **Terraform, Ansible, GitOps, Python, and policy as code**. - Support **network telemetry**, detection, investigation, and containment with **Security Operations**. - Troubleshoot **routing, switching, TCP/IP, DNS, TLS**, and cloud networking issues. - Maintain network **architecture documentation, procedures, and runbooks**. - Coordinate remote changes and **incident response** across distributed teams. --- ### Skills & Qualifications - **7+ years** 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 supporting **data center and on-premises** network infrastructure (including working with remote hands). - AWS networking experience: **VPCs, transit gateways, security groups, 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 operate independently in a remote environment and collaborate across time zones. - Ability to travel occasionally to Cerebras offices or data centers as needed. --- ### Relevant Experience (Valuable) - **AI, HPC, or large-scale compute** environments. - Data center networking and security. - AWS network security and segmentation. - ZTNA and VPN architectures. - DNS filtering, **SWG**, proxy, or **SASE** platforms. - Vendor and partner connectivity. - Public exposure and attack surface remediation. - Network detection and incident response. - Remote operation of geographically distributed network infrastructure. --- ### Why Join Cerebras People who are serious about software make their own hardware. Cerebras is building a breakthrough AI platform and expanding rapidly. **Apply today** and help drive groundbreaking advancements in AI. *Privacy/CCPA:* https://www.cerebras.net/pri
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