Network Security Engineer

A leading global financial services institution is seeking a Network Security Engineer to take local ownership of network security in London, with exposure to wider infrastructure initiatives and the opportunity to grow into a management role.

What you'll do:

• Design, manage, and secure network infrastructure (BGP, HSRP, load balancing, proxies, perimeter security)
• Implement and maintain server, endpoint, and end-user security controls
• Support and enhance core infrastructure services, including VPNs, databases, replication, and high availability
• Administer Windows and Linux environments
• Own and lead the local technology function, working closely with global teams
• Operate within a regulated environment and support cloud platforms such as AWS, Azure, or GCP
• Design, secure, and support high-availability network infrastructure
• Manage server, endpoint, and perimeter security controls
• Partner with regional and global technology teams on delivery and improvement initiatives

• 6+years' experience in networking technologies, includingBGP,HSRP, load balancing, proxies, and network perimeter security
• Hands-on experience supporting security controls across servers, endpoints, and end-user environments
• Solid infrastructure knowledge, including VPNs, databases, replication, and resilience / high-availability designs
• Strong Windows and Linux systems administration experience
• Experience working within financial services or other regulated environments
• Exposure to cloud platforms such as AWS, Azure, or GCP
• CCNA certification is a strong advantage
• Ability to speak Mandarin is a strong advantage
• Right to work in the UK is required