Senior Network Engineer - Banking & Finance

Hamilton Barnes Associates Limited; City Of London; On-site; GBP 76,000 - 90,000; Full time

Job summary

A global financial organisation in Central London is seeking a Network Engineer to manage and evolve its network infrastructure. You will report to the Head of Infrastructure and focus on performance, reliability, and security of a low-latency network. The ideal candidate has extensive experience with Cisco and Arista technologies, firewalls, and a strong understanding of advanced routing protocols. A competitive salary of up to £90,000 plus a discretionary bonus is offered.

Qualifications

• Strong experience with Cisco and Arista networking technologies.
• Proficiency with Fortinet or Palo Alto firewalls.
• Advanced routing and switching knowledge: BGP, OSPF, Multicast.
• Solid understanding of Linux-based systems.
• A passion for performance, security, and uptime.

Responsibilities

• Report directly to the Head of Infrastructure managing global infrastructure.
• Maintain performance, reliability, and scalability of the network.
• Manage low-latency network infrastructure.
• Provide support and proactive monitoring of critical systems.
• Lead network improvement projects from design to implementation.
• Collaborate with cross-functional teams for secure and efficient networks.

Skills

Cisco networking technologies

Arista networking technologies

Fortinet firewalls

Palo Alto firewalls

BGP

OSPF

Multicast

Linux systems

Performance monitoring

Network security

Job description

Are you a network engineer ready to make an impact in a high-growth, global financial organisation? Join a pioneering team at the forefront of digital finance, where the UK’s first regulated and centrally cleared trading venue for digital asset derivatives is now live. Authorised and regulated by the FCA, this platform is connected to some of the world’s largest financial institutions and operates in partnership with leading clearing house LCH SA. With a focus on liquidity, institutional connectivity, risk mitigation, high-performance technology and optimised contract specifications, they are redefining standards in digital asset markets.

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

Key Responsibilities

• Report directly to the Head of Infrastructure and take a lead role in managing and evolving the organisation's global infrastructure.
• Hands-on in maintaining performance, reliability, and scalability while also driving key network initiatives.
• Manage and maintain a global, low-latency network infrastructure
• Provide high-level support and proactive monitoring of critical systems
• Lead network improvement projects from design through implementation
• Collaborate with cross-functional teams to ensure a secure and efficient network

Required Skills/Qualifications

• Strong experience with Cisco and Arista networking technologies
• Proficiency with Fortinet or Palo Alto firewalls
• Advanced routing and switching knowledge: BGP, OSPF, Multicast
• Solid understanding of Linux-based systems
• A passion for performance, security, and uptime

Location

• Central London (Onsite)

Salary

• Up to £90,000 + Discretionary Bonus