Senior Network Engineer (Remote) - Banking & Finance

Hamilton Barnes; United Kingdom; Remote; GBP 90,000 - 110,000; Full time

Benefits offered by this job

Ownership and autonomy

Job summary

Hamilton Barnes is seeking a Senior/Lead Network Engineer for a fast-growing global proprietary trading firm. You will own the day-to-day operation of the network and provide technical leadership to a small, globally dispersed team.

The role emphasizes hands-on work, mentoring junior engineers, and coordinating with data centres, colocation, and exchange feeds. Arista technologies will be central, with focus on monitoring and on-call processes.

Qualifications

• Hands-on network engineering experience in trading/latency-sensitive environments.
• Strong multicast networking expertise.
• Experience with Arista networking technologies.
• Experience managing global production networks.
• Previous technical leadership or mentoring experience.
• Ability to own a network function while staying hands-on.
• Excellent troubleshooting across complex production environments.
• Experience with data centre and colocation infrastructure.
• Comfortable in a small, remote, highly autonomous team.

Responsibilities

• Own day-to-day operation of the firm's global network infrastructure.
• Provide technical leadership to a distributed network engineering team.
• Mentor and develop junior network engineers.
• Manage and troubleshoot multicast connectivity for trading environments.
• Work with Arista technologies across global networks.
• Support internal network infrastructure across offices, data centres and colocation.
• Lead network projects from design to implementation.
• Support onboarding of new exchange feeds and connectivity.
• Improve monitoring, operational processes, and on-call procedures.
• Report network performance, risks, and issues to Head of IT Infrastructure.

Skills

Network Engineering

Multicast networking

Arista networking

Global production networks

Technical leadership

Mentoring

Troubleshooting

Data centre / colocation

Remote / autonomous team

Tools

Arista networking

Job description

Looking for a role with plenty of growth opportunities?

Join a global proprietary trading firm specialising in futures trading across international markets, backed by a fast-growing group with deep experience in derivatives markets across global financial exchanges. With traders and researchers in India, Europe, and Canada, the organization values quick-witted analysis, independent judgement, and intellectual curiosity.

The company is looking to appoint a Senior / Lead Network Engineer to take day‑to‑day ownership of its network infrastructure and provide technical leadership to a small, globally distributed networking team. The ideal candidate will stay highly hands‑on while developing junior engineers and working closely with the Head of IT Infrastructure.

Responsibilities:

• Take ownership of the day‑to‑day operation of the firm's global network infrastructure
• Provide technical leadership and direction to a distributed network engineering team
• Support and mentor junior network engineers
• Manage and troubleshoot multicast connectivity supporting trading environments
• Work extensively with Arista networking infrastructure
• Support internal network infrastructure across offices, data centres and colocations
• Work alongside third‑party providers supporting ultra‑low‑latency and colocation connectivity
• Lead network projects from design through to implementation
• Support the onboarding of new exchange feeds and connectivity
• Improve operational processes, monitoring and on‑call procedures
• Report on network performance, projects, risks and operational issues to the Head of IT Infrastructure

Skills/Must Have:

• Strong hands‑on Network Engineering experience within a trading, financial markets or similarly latency‑sensitive environment
• Strong understanding of multicast networking
• Experience working with Arista networking technologies
• Experience supporting global production network environments
• Previous technical leadership, mentoring or team lead experience
• Comfortable taking ownership of a network function while remaining hands‑on
• Strong troubleshooting skills across complex production environments
• Experience working with data centre and colocation infrastructure
• Able to operate effectively within a small, remote and highly autonomous engineering team

Benefits:

• You’ll join a small infrastructure team where engineers are given significant ownership and trust. The network team is currently distributed globally, with the successful engineer becoming the senior technical point of contact for the function.

Salary:

• Up to £100,000 basic salary