Network Security Engineer

• Build, operate, and secure network infrastructure supporting data centers, cloud environments, corporate networks, and AI systems
• Operate firewalls, ACLs, segmentation, and network security controls across data center, corporate, and AWS environments
• Support deployment, configuration, troubleshooting, maintenance, and lifecycle management of data center networks
• 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 with Security Operations
• Troubleshoot routing, switching, TCP/IP, DNS, TLS, and cloud networking issues
• Maintain network architecture documentation, procedures, and runbooks

Requirements

• 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
• Experience operating data center and on‑premises network infrastructure
• Experience with AWS networking, including VPCs, transit gateways, security groups, and 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 work regularly on‑site in Sunnyvale, CA and perform hands‑on work in data center environments
• Must satisfy applicable U.S. export compliance requirements or obtain required authorization

Core Competencies

Demonstrates extensive experience in network security and engineering, with a strong focus on managing and securing data center and cloud environments. Proficient in implementing automation tools and maintaining network infrastructure while ensuring compliance with security policies.

Highest-signal resume keywords

• Network Security
• AWS Networking
• Firewall Management
• Automation with Terraform
• Network Troubleshooting

ATS Optimization Keywords

Hard Skills

• Network Security
• Network Engineering
• Cloud Security
• Routing
• Switching
• VPN
• TCP/IP
• DNS
• TLS
• Segmentation

Soft Skills

• Written Communication
• Documentation Skills

Industry Keywords

• Data Center
• Network Infrastructure
• Egress Controls
• ZTNA
• NAC

Tools & Technologies

• Terraform
• Ansible
• GitOps
• Palo Alto
• Juniper
• Cloudflare