Senior Network Engineer in London

Senior Network Engineer in London

London Full-Time 48000 - 72000 ÂŁ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Support live trading platforms and design robust network infrastructure.
  • Company: Dynamic financial technology firm with a focus on market infrastructure.
  • Benefits: Strong salary, bonuses, full benefits, and hybrid work options.
  • Why this job: Make a real impact on critical networks that matter in the finance world.
  • Qualifications: Experience in network engineering with strong routing and switching skills.
  • Other info: Collaborative team environment with opportunities for professional growth.

The predicted salary is between 48000 - 72000 ÂŁ per year.

Company: Financial technology, market infrastructure, profitable and scaling.

Impact: Keep live trading platforms fast, resilient, and trusted.

Team: Specialist infrastructure group inside a regulated environment.

Focus: Low-latency networking, exchange-style infrastructure, client connectivity.

Location: London.

Hybrid: Office + home (with flexibility around on‐call and change windows).

Offer: Strong base + bonus + full benefits (details shared confidentially).

The reason you might care: If you like networks that actually matter, this will land with you. You will be working on live, latency‐sensitive platforms where uptime, routing decisions, and clean change execution have real‐world consequences. This isn’t internal IT. It’s production infrastructure used by external clients who expect things to work — every day, without excuses.

You will get:

  • Ownership of real exchange‐style network infrastructure.
  • Exposure to client onboarding, upgrades, and complex change windows.
  • A mix of project work and hands‐on operational responsibility.
  • Enough scale to be interesting, without the politics of a mega‐bank.
  • A team that plans properly, documents properly, and trusts engineers to think.

What you will actually be doing: You will sit at the heart of the network operation. That means:

  • Supporting live platforms during trading hours.
  • Working directly with clients during onboarding and technical upgrades.
  • Designing, building, and upgrading network infrastructure end‐to‐end.
  • Racking, configuring, testing, documenting — the full lifecycle.
  • Making controlled changes to routing, switching, firewalls, and VPNs.
  • Taking part in a sensible support rota (with planned out‐of‐hours work for major changes).
  • Dealing with vendors when escalation is needed — not being blocked by them.

You will report into a hands‐on infrastructure leader who understands networks, not a spreadsheet.

What you will need to bring: This will suit you if you already know your way around production networks and want more responsibility, not just tickets. You will need:

  • Several years in network engineering or network support roles.
  • Strong routing and switching fundamentals (BGP, OSPF, ACLs).
  • Hands‐on experience with Cisco and/or Arista environments.
  • Confidence working with firewalls and VPNs (Fortinet or similar).
  • Experience supporting or building VXLAN EVPN architectures.
  • Comfort troubleshooting with packet captures and real diagnostics.

Useful extras (not deal‐breakers):

  • Exposure to multicast (PIM, IGMP, MSDP).
  • Low‐latency or trading‐style networks.
  • VMware, cloud platforms, or Linux admin.

Most importantly: you stay calm when things matter, document what you touch, and think before you change.

How it works from here: Process | Intro call → Technical discussions → Final interview → Offer. If this sounds like the kind of network environment you have been missing, apply and we will share full details in confidence — including the platform, team structure, and roadmap. No speculation. No noise. Just a proper network engineering role.

Senior Network Engineer in London employer: Oceanredpartners

As a Senior Network Engineer in our London-based financial technology firm, you'll thrive in a dynamic and collaborative environment where your expertise directly impacts live trading platforms. We offer a strong base salary, bonuses, and comprehensive benefits, alongside opportunities for professional growth and ownership of critical network infrastructure. Join us to work on meaningful projects that challenge your skills while enjoying the flexibility of a hybrid work model.
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Contact Detail:

Oceanredpartners Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Network Engineer in London

✨Tip Number 1

Network with industry professionals! Attend meetups or online forums related to network engineering. Engaging with others in the field can lead to valuable connections and job leads.

✨Tip Number 2

Prepare for technical interviews by brushing up on your routing and switching fundamentals. Practice common scenarios you might face, especially those involving BGP and OSPF, to show off your skills.

✨Tip Number 3

Don’t underestimate the power of a good follow-up! After interviews, send a quick thank-you note to express your appreciation and reiterate your interest in the role. It keeps you fresh in their minds.

✨Tip Number 4

Apply directly through our website! It’s the best way to ensure your application gets seen by the right people. Plus, you’ll get all the insider info about the role and team structure.

We think you need these skills to ace Senior Network Engineer in London

Network Engineering
Routing Fundamentals
Switching Fundamentals
BGP
OSPF
ACLs
Cisco
Arista
Firewalls
VPNs
VXLAN EVPN Architectures
Packet Capture Troubleshooting
Documentation Skills
Low-Latency Networking
Client Onboarding

Some tips for your application 🫡

Tailor Your CV: Make sure your CV speaks directly to the Senior Network Engineer role. Highlight your experience with low-latency networks, routing, and switching. We want to see how your skills align with our needs!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Share why you're passionate about network engineering and how you can contribute to our team. Keep it concise but impactful — we love a good story!

Showcase Relevant Experience: When detailing your past roles, focus on your hands-on experience with Cisco or Arista environments. Mention any specific projects where you’ve designed or upgraded network infrastructure — we want to know what you've done!

Apply Through Our Website: We encourage you to apply through our website for a smoother process. It helps us keep track of your application and ensures you get all the details about the role. Plus, we love seeing applications come in directly!

How to prepare for a job interview at Oceanredpartners

✨Know Your Networks

Brush up on your routing and switching fundamentals, especially BGP and OSPF. Be ready to discuss your hands-on experience with Cisco or Arista environments, as well as any work you've done with firewalls and VPNs. This is your chance to show that you can handle the technical demands of the role.

✨Demonstrate Problem-Solving Skills

Prepare to share specific examples of how you've tackled network issues in the past. Think about times when you had to troubleshoot using packet captures or real diagnostics. Showing that you can stay calm under pressure and document your processes will impress the interviewers.

✨Understand the Business Impact

Since this role involves live trading platforms, it's crucial to convey your understanding of how network performance affects real-world outcomes. Be ready to discuss how your work contributes to client satisfaction and operational efficiency, highlighting your awareness of the stakes involved.

✨Engage with the Team Culture

This company values collaboration and idea-sharing, so be prepared to discuss how you work within a team. Share experiences where you've challenged ideas constructively or contributed to planning and documentation. Show that you're not just a techie but also a team player who fits into their grown-up environment.

Senior Network Engineer in London
Oceanredpartners
Location: London
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