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

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Senior Network Engineer – Ultra-Low Latency (ULL) Focus, London

Client:

Location: London, United Kingdom

Job Category: Other

EU work permit required: Yes

Job Views:

4

Posted:

05.05.2025

Expiry Date:

19.06.2025

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.

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