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. If you would like to learn more about this opportunity, feel free to reach out and apply today!

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