Network Security Engineer

About the role

We are seeking a highly skilled and motivated Firewall Administrator to join our Infrastructure and Network teams. This role is responsible for the design, implementation, administration, monitoring, and continuous improvement of enterprise firewall and network security platforms. The ideal candidate will have extensive experience managing complex network environments, implementing security best practices, and partnering with infrastructure, cloud, and application teams to protect critical business systems.

Key responsibilities

• Configure, administer, and maintain enterprise firewall platforms including Palo Alto, Cisco Firepower, or equivalent technologies.
• Manage firewall policies, security zones, NAT rules, VPN configurations, and access control.
• Review, approve, and implement firewall change requests in accordance with established security standards and change management procedures.
• Develop, maintain, and support reusable Infrastructure-as-Code and configuration automation for firewall policies, network objects, security zones, NAT rules, VPN configurations, and related network security services.
• Monitor firewall performance, capacity, and security events to ensure optimal operation.
• Conduct regular rule reviews and policy optimization to improve security posture and operational efficiency.
• Implement and maintain network segmentation, micro-segmentation, and Zero Trust security principles.
• Investigate suspicious network activity and collaborate with InfoSec teams on threat detection and incident response activities.
• Analyze security alerts, logs, and network traffic to identify vulnerabilities, threats, and anomalies.
• Partner with network, server, cloud, and application teams to design secure solutions for business initiatives.

About you

• Bachelor's degree in Information Technology, Cybersecurity, Computer Science, Engineering, or a related discipline; equivalent work experience will be considered.
• 5+ years of experience administering enterprise firewall and network security environments.
• Hands-on experience with one or more leading firewall platforms including Palo Alto Networks, Fortinet, Cisco Firepower, or Check Point.
• Strong knowledge of TCP/IP, routing protocols, switching, DNS, DHCP, VPN technologies, NAT, and network architecture.
• Experience managing firewall policies in large-scale enterprise environments.
• Strong understanding of cybersecurity principles, network security controls, and threat mitigation strategies.
• Experience with security monitoring and logging tools.
• Excellent troubleshooting, analytical, and problem-solving skills.
• Strong written and verbal communication skills.