Network Infrastructure Engineer

Closing date for applications: 08/08/2026

Location London, United Kingdom

Job typePermanent | Contract typeFull Time

Mostly Remote

You’ll spend most of your time at home, working with your team digitally. You’ll come into an office or hub at least twice a month to collaborate with your colleagues.

Managerial / Technical Lead

This is a general indication and doesn’t always reflect day-to-day responsibilities. Check the job description for full details.

#R-00282998

Join our digital revolution in NatWest Digital X

In everything we do, we work to one aim. To make digital experiences which are effortless and secure.

So we organise ourselves around three principles: engineer, protect, and operate. We engineer simple solutions, we protect our customers, and we operate smarter.

Job description

This role is based in the United Kingdom and as such all normal working days must be carried out in the United Kingdom.

Join us as a Network Infrastructure Engineer

You’ll collaborate in building the best enterprise network solutions and engineer infrastructure technology to comply with security, resilience, sustainability, and operational requirements with observability and guardrails built in

You’ll also use automation to provide testing and a route to live for the product, identifying ways to use new and existing technology tools to enhance performance and remove inefficiencies

This is a chance to work with colleagues across the bank to share engineering best practices, allowing you to provide thought leadership while developing solutions

What you'll do

As a Network Infrastructure Engineer, you’ll contribute to and manage the selection, creation and maintenance of technologies required to meet the needs of our customers, strategic targets and architecture outcomes, along with developing products using modern engineering practices and tools.

We’ll look to you to collaborate with Product Owners to develop product roadmaps and manage the lifecycle of the team's products and support engineered products to respond to customer feedback, new feature requests, resolve production issues and help customers consume our products.

You’ll also:

Work within a team to design and engineer intuitive, self-service infrastructure products

Lead and drive standards for our Cisco and Arista network

Develop technical skills through continuous learning and development

Contribute to the delivery of infrastructure as code solutions

Build an awareness of design thinking tools and techniques with users in order to improve your product

Provide operational support for pattern or product related issues

Work with key vendors in the delivery of the infrastructure services and technology for the product

The skills you'll need

We’re looking for someone with hands-on experience managing large enterprise network environments with 10,000+ devices. We’ll expect you to have proven design, implementation, and management of enterprise-grade networks using Cisco and Arista platforms with experience including, Arista Fabric with VxLAN on-prem deployment, traditional Cisco enterprise deployment and extensive knowledge of layer 2 and 3 protocols to build scalable and resilient networks such as STP, OSPF, BGP, VxLAN, EVPN.

You'll also need experience with Cisco Meraki networking solutions, including Dashboard management, MX deployment and administration, site-to-site VPNs, security policies, MS switching, and MR wireless design and troubleshooting.

In addition, you’ll have:

Experience working in financial services environment on trader voice infrastructure

The ability to work in high pressure environments, specifically responding to and leading on business impacting incidents

Strong experience with multicast technologies and their interoperation across Cisco and Arista VxLAN platforms

Experience working in an agile manner on both operations and projects along with the ability to work on your own and drive your own workstack as part of a larger team

Strong collaborative communication skills for articulating technical concepts clearly to business and technical stakeholders

Large scale WAN with traffic engineering policies

Your benefits breakdown

Here’s a quick look at what your pay package and annual leave could look like if you get accepted for the role. We have a wide range of benefits to support you in your working life and beyond.

Tap each segment for details.

Your pay package

100% Base pay This is your base pay package that you take home every month. +10% Pension funding This is monthly funding paid towards your pension. up to +10% Benefit funding This is monthly funding paid towards a range of benefits you can choose from.

Your leave allowance

30 days Annual leave You’ll also have the opportunity to purchase up to 5 additional days off. 3 days Volunteering Take time off to support the causes you’re passionate about. 3 days Training Take time to build the skills you need to grow your career.

Total rewards package

Welcome to our Bishopsgate hub

Based only a few minutes’ walk from Liverpool Street Station, the central location of this office makes working there incredibly convenient. Everything you need is close by, so you can run errands, go to the gym, and socialise with friends and colleagues before and after work.

Bishopsgate recently underwent a multi-year refurbishment programme to improve spaces and facilities as well as become more sustainable.

Our tech stack

Here’s just some of the technologies we use.

Front end

JavaScript

ReactJS

AngularJS

Back end

Python

Java

Microsoft Dynamics

DevOps

AWS

GitLab

Google Cloud Platform

Data

Kafka

Hadoop

PostgreSQL

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