Senior Network Engineer - Ultra-Low Latency (ULL) Focus

ZipRecruiter; London; On-site; GBP 80,000; Full time

Job summary

An innovative Managed Service Provider is seeking a Senior Network Engineer to join their team, focusing on Ultra-Low Latency network engineering for a leading High-Frequency Trading client. This role offers the chance to work on cutting-edge network projects, ensuring the fastest and most reliable connectivity in the industry. The ideal candidate will have strong hands-on experience with Cisco or Arista environments and a solid background in Market Data and ULL Networking. With training in network automation provided, this position is perfect for engineers eager to advance their skills in a dynamic financial trading environment.

Benefits

Food Allowance

Hands-on training in network automation

Exposure to global low-latency networks

Qualifications

• Hands-on experience with Cisco or Arista network environments.
• Background in Market Data and ULL Networking.

Responsibilities

• Deliver low-latency network solutions for Market Data and HFT applications.
• Collaborate with trading and development teams.

Skills

Cisco networking

Arista networking

Market Data

Ultra-Low Latency (ULL) Networking

Multicast Networking

Network Automation

Tools

Cisco IOS-XR

Job description

Job Description

A fast-growing Managed Service Provider is seeking a Senior Network Engineer to support a leading High-Frequency Trading (HFT) client. This is a high-impact role focused on Ultra-Low Latency (ULL) network engineering, working onsite at the client’s prestigious offices.

About the Role

You’ll work closely with traders, developers, and technologists on cutting-edge network projects, focused on delivering the fastest, most reliable connectivity possible across the globe.

Expect a heavy focus on Market Data, Multicast Networking, Venue Onboarding, and ULL optimisations.

Network Automation training will also be provided—perfect for an engineer looking to move into next-gen network skills!

Key Responsibilities

• Deliver low-latency, high-performance network solutions for Market Data and HFT applications.
• Drive new Venue Onboarding projects across global markets.
• Engineer and optimize multicast and market data distribution.
• Implement, configure, and troubleshoot Cisco IOS-XR or Arista platforms.
• Collaborate closely with in-house trading and development teams.
• Learn and adopt network automation skills over time.

Ideal Candidate Profile

• Strong hands-on experience with Cisco or Arista network environments.
• Exposure to Cisco IOS-XR is highly advantageous.
• Solid background in Market Data, ULL Networking, and/or Multicast environments.
• Previous experience in a financial services or low-latency environment would be ideal.
• Eagerness to learn automation and modern DevNet practices.

What’s on Offer

• Base Salary: £80,000 per annum
• Bonus: £15/day Food Allowance (Approx. £3,300 annually tax-free!)
• Training: Hands-on training in network automation.
• Exposure: Work directly on global low-latency networks for a world-leading trading environment.
• Location: 4 days onsite in state-of-the-art offices near Tottenham Court Road, London.

This is an exceptional opportunity for a hands-on network engineer to break into (or advance within) the high-stakes world of financial trading networks, learning some of the most in-demand skills in the industry.