Network Infrastructure Engineer — Opportunihub
Job

Network Infrastructure Engineer

Transficc · London

At a glance

Type
Job
Organisation
Transficc
Location
London
Work mode
On-site
Deadline
Rolling / not stated
Posted
23 Oct 2026

About this job

<p style="min-height:1.5em"><strong>Location:</strong> Remote First; office location Moorgate, London (flexible remote working locations within UK/Europe)<br /><strong>Employment type:</strong> Permanent<br /><strong>Working Hours:</strong> Full-time (9-6 UK)<br /><strong>Salary:</strong> Up to £120,000 + Shares + Benefits</p><p style="min-height:1.5em"><br />TransFICC is hiring a Network Infrastructure Engineer to provide high-performance, low-latency connectivity to our customers. We develop an integration service product that enables our clients to have a flexible, hosted service without requiring their internal resources to respond to connectivity challenges across trading venues.<br /><br />You will be joining our SRE team and contributing to TransFICC’s culture of automation. We are a multi-disciplinary team covering everything from desktop and laptop support to data centre provisioning of servers and vendor network connectivity. <br /><br />We all have areas we are stronger in, but we all share responsibility for the entire environment. We are seeking someone like-minded who can contribute to our team while also learning from us. <br /><br /></p><p style="min-height:1.5em"><strong>About the Role – Your mission will be:</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Research, design, deploy, and support new and existing networks, including network hardware vendors, routing/switching, low-latency technologies, telco circuits, and data centre connectivity.</p></li><li><p style="min-height:1.5em">Network as Code: Develop new features, new automation and observability, and push to network new configurations and features to support our business. Ansible, Terraform.</p></li><li><p style="min-height:1.5em">Support the network and the wider infrastructure.</p></li><li><p style="min-height:1.5em">Interact with network vendors and circuit providers.</p></li><li><p style="min-height:1.5em">Plan work in data centres.<br /><br /></p></li></ul><p style="min-height:1.5em"><strong>What we are looking for:</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Need to know how to code. You don’t need to be an expert, but basic programming in your language of choice is required - you need to be able to build a program.</p></li><li><p style="min-height:1.5em">Everything we configure at TransFICC is automated, so having experience with a software automation tool like Ansible and coding ability is a must.</p></li><li><p style="min-height:1.5em">We are looking for someone experienced as a sys admin or network engineer; however, you must have a reasonable understanding of both.</p></li><li><p style="min-height:1.5em">Constructive, open-minded and self-motivated. A belief in life learning, and an awareness of how much there still is to learn.</p></li><li><p style="min-height:1.5em">Appreciate autonomy and be able to take the initiative.</p></li><li><p style="min-height:1.5em">Experience managing 3rd parties via email and phone, negotiating with vendors, purchasing hardware and enabling remote work.<br /><br /></p></li></ul><p style="min-height:1.5em"><strong>Ideally you would have some of the following:</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Experience in low-latency network technologies: TCP/IP, Multicast (IGMP, PIM), L2/L3, and WAN.</p></li><li><p style="min-height:1.5em">Experience in deploying and supporting routing protocols such as BGP, EVPN.</p></li><li><p style="min-height:1.5em">Experience with Arista or Cumulus Linux.</p></li><li><p style="min-height:1.5em">Understanding of Firewall technologies, design, and vendors; and how to automate them.</p></li><li><p style="min-height:1.5em">Coding experience with Python and Bash scripting to automate tasks.</p></li><li><p style="min-height:1.5em">Knowledge of Ansible and Terraform to automate configuration deployment.</p></li><li><p style="min-height:1.5em">Experience with Linux, both from an admin point of view and on the command line. </p></li><li><p style="min-height:1.5em">Experience in writing tests in Robot Framework.</p></li><li><p style="min-height:1.5em">Well versed in observability and alerting stacks: Elastic, InfluxDB, Telegraf, Grafana</p></li><li><p style="min-height:1.5em">Experience in troubleshooting system or network issues, tcpdump, wireshark, strace.</p></li></ul><p>Find more <a href="https://www.arbeitnow.co.uk/english-speaking-jobs">English Speaking Jobs in United Kingdom</a> on Arbeitnow</a>

How to apply

  1. 1 Read the full details above and confirm you meet the eligibility criteria.
  2. 2 Prepare your documents — an updated CV, and any cover letter, proposal or certificates required.
  3. 3 Click Apply on official site to complete your application on Transficc’s official page.
  4. 4 Submit as early as possible — many close once filled.
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Review the full details and eligibility on this page, prepare your documents, then use the “Apply on official site” button to complete your application on Transficc’s official page.

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