Network Firewall Engineer

Senior Network Security Engineer (Firewall)

About the Opportunity Our client, a large enterprise organization with a complex and highly available technology environment, is seeking a Senior Network Security Engineer with deep expertise in firewall engineering and enterprise networking. This individual will be responsible for designing, implementing, securing, and supporting critical network infrastructure while serving as a subject matter expert for next-generation firewall technologies.

Key Responsibilities

• Design, implement, and maintain enterprise network security solutions with a focus on Palo Alto Networks and Fortinet firewalls.
• Develop and manage firewall policies, security rules, NAT configurations, VPNs, and access controls.
• Analyze firewall logs, network traffic, and security events to identify risks and troubleshoot connectivity issues.
• Lead firewall upgrades, migrations, and lifecycle management initiatives.
• Provide advanced troubleshooting for network and security issues involving routing, switching, wireless, VPN, and WAN/LAN environments.
• Support enterprise network infrastructure including routers, switches, wireless systems, and security platforms.
• Partner with security, infrastructure, and application teams to deliver secure and reliable services.
• Participate in incident response efforts, root cause analysis, and remediation activities.
• Maintain technical documentation, standards, and operational procedures.

Required Qualifications

• Bachelor's degree in Information Technology, Computer Science, or equivalent combination of education and experience.
• 10+ years of enterprise networking experience.
• Strong hands-on experience with Palo Alto Networks and Fortinet firewall administration and engineering.
• Expertise in firewall policy management, NAT, VPNs, traffic analysis, and network security best practices.
• Advanced knowledge of TCP/IP, routing, switching, wireless networking, and WAN/LAN technologies.
• Experience troubleshooting complex network and security environments.
• Familiarity with optical networking technologies such as DWDM and ROADM is highly desirable.
• Strong communication, problem-solving, and project coordination skills.

Preferred Certifications

• CCNP or CCIE
• Palo Alto Networks security certifications