Network Engineer

Role: Network Engineer

Location: London

Salary: Up to £250k split between base and bonuses

This is a brilliant opportunity for a Network Engineer to join a high-performance HFT-style firm operating in a fast-paced, technology-led environment. The role will suit someone who enjoys working across the full network stack, with exposure to service provider environments, multicast, and cloud technologies. Network Engineers works acorss everything!

The Network Engineer will be responsible for designing, building, supporting, and improving critical network infrastructure that underpins business performance. The role will involve hands-on work across service provider connectivity, multicast networking, and cloud platforms, alongside monitoring, troubleshooting, and ongoing optimisation.

Key Responsibilities

• Support and develop network infrastructure across on-premises, colocation, service provider, and cloud environments.
• Work on multicast configuration, optimisation, and troubleshooting.
• Manage and improve connectivity with service providers and external network partners.
• Contribute to cloud networking design and support across relevant platforms.
• Troubleshoot complex network issues quickly and effectively in a high-availability environment.
• Work closely with internal engineering teams to ensure performance, resilience, and scalability.
• Maintain clear documentation and support operational best practice.

Experience Required

• Strong network engineering experience in a demanding production environment.
• Solid understanding of service provider networks and internet connectivity.
• Practical experience with multicast.
• Exposure to cloud networking technologies.
• Familiarity with routing, switching, and network monitoring tools.
• A proactive, detail-focused approach and strong troubleshooting skills.
• Experience in trading, fintech, or another low-latency environment would be highly desirable.

Why Join

This is an opportunity to join a sophisticated engineering environment where network performance really matters. The successful candidate will be exposed to a wide range of technologies and will play a key role in supporting the infrastructure behind a fast-moving business. For candidates who enjoy variety, technical depth, and working close to the action, this is an outstanding opportunity.

Apply now for an confidential conversation.