Network Security Engineer
Core
Design, implement, maintain, and improve security controls across enterprise network environments to protect connectivity and business services.
Role type
Senior Network Security Engineer
Builds
Secure enterprise network infrastructure, firewalls, VPN services, and intrusion detection/prevention systems
Domain
Enterprise Network Security
Required skills
TCP/IP, subnetting, routing, switching, DNS, NAT, firewall configuration, VPN administration, network segmentation, intrusion detection/prevention, packet capture analysis, security log investigation
Preferred skills
Cloud network security (AWS/Azure/GCP), zero-trust architecture, NAC solutions, security automation (Python/Bash), infrastructure-as-code (Terraform/Ansible), disaster recovery planning
Technologies
Firewalls, VPN, Wireshark, AWS, Azure, GCP, Terraform, Ansible, Python, Bash
Responsibilities
Configure and troubleshoot firewalls, security policies, NAT, and intrusion detection/prevention controls; Implement and maintain network segmentation and access controls; Support site-to-site and remote-access VPN services; Review and govern network access requests and firewall rules; Partner with security operations for incident response and log analysis; Harden network security devices and coordinate patching and vulnerability remediation
Seniority
Senior, hands-on IC
