Network Security Engineer - Banking & Finance

Are you looking for an exciting new opportunity?

Join a global financial markets infrastructure provider delivering trusted trading, exchange, and market technology solutions across derivatives, foreign exchange, digital assets, and securities. The organisation operates critical infrastructure across global offices and data centres, with a strong focus on security, reliability, and innovation.

The role focuses on designing, implementing, and supporting large-scale firewall and network security solutions within a global infrastructure team. You'll work closely with networking, cloud, and infrastructure teams to protect critical enterprise environments while supporting secure and reliable network operations.

Responsibilities:

• Design, deploy and manage Palo Alto firewall environments, including Panorama, security policies and SSL decryption
• Lead firewall migrations and improve network security architecture across global infrastructure
• Troubleshoot complex network and security issues involving routing, NAT, traffic flows and packet analysis
• Work alongside infrastructure and cloud teams to deliver resilient, secure connectivity across on-prem and hybrid environments
• Act as a senior escalation point, mentor junior engineers and help drive operational best practices
• Identify opportunities to improve security, automation and overall network performance

Skills/Must Have:

• 5+ years' experience in Network Security Engineering
• Strong hands-on experience with Palo Alto firewalls and Panorama
• Solid networking fundamentals including BGP, OSPF, TCP/IP, NAT and packet analysis
• Experience designing secure enterprise networks and leading firewall migration
• Scripting or automation experience (Python, APIs or similar) is advantageous
• Exposure to AWS networking, Cloudflare, F5, Arista or other enterprise networking technologies is a plus

Salary:

• Up to $195,000 Total Comp