Senior Network Engineer - Banking & Finance

Hamilton Barnes Associates Limited; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading global financial organization is seeking a network engineer to oversee its low-latency network infrastructure. This role involves maintaining mission-critical systems, driving performance and security, and collaborating with cross-functional teams to enhance network efficiency.

Qualifications

• Proven experience with Cisco and Arista networking environments.
• Expert-level knowledge of BGP, OSPF, and Multicast routing protocols.
• Solid understanding of Linux-based systems.

Responsibilities

• Oversee and maintain a low-latency, global network infrastructure.
• Provide high-level support and proactive monitoring of mission-critical systems.
• Take ownership of network improvement projects from design through to deployment.
• Collaborate closely with cross-functional teams to ensure security, resilience, and efficiency.

Skills

Cisco

Arista

BGP

OSPF

Multicast

Linux

Fortinet

Palo Alto

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:

• Oversee and maintain a low-latency, global network infrastructure
• Provide high-level support and proactive monitoring of mission-critical systems
• Take ownership of network improvement projects from design through to deployment
• Collaborate closely with cross-functional teams to ensure security, resilience, and efficiency

Requirements:

• Proven experience with Cisco and Arista networking environments
• Proficiency with Fortinet or Palo Alto firewall technologies
• Expert-level knowledge of BGP, OSPF, and Multicast routing protocols
• Solid understanding of Linux-based systems
• A strong drive for performance, uptime, and security

Contract Length:

• 6 Months

IR35 Status:

• Inside IR35

Start Date:

• ASAP

Day Rate:

• £550–£575 per day