Infrastructure Engineer

We're looking for an experienced Infrastructure Engineer to join our UK IT team and play a key role in supporting, maintaining and transforming our infrastructure as we continue our journey towards a cloud-first environment.

If you enjoy solving complex technical challenges, working across a diverse technology estate, and taking ownership of critical systems, this is an exciting opportunity to make a real impact.

What you'll be doing

As part of our Infrastructure team, you'll provide 3rd line infrastructure support while helping to deliver ongoing improvements across our on-premise and cloud environments.

You'll be responsible for:

Supporting and administering our UK infrastructure across servers, cloud platforms and networking

Investigating and resolving complex 3rd line technical issues

Designing and implementing proactive monitoring and alerting to prevent future incidents

Managing Windows Server environments, Active Directory, Group Policy and core infrastructure services

Supporting our AWS and Azure cloud platforms as we continue to migrate services to the cloud

Working closely with internal IT teams and external technology partners to deliver infrastructure improvements

Ensuring all infrastructure changes meet security, compliance and governance standards

Maintaining clear technical documentation and automation scripts to improve operational efficiency, Technology plays a vital role in keeping our business running-from supporting our stores and support centres to enabling our digital growth.

You'll join a highly skilled, collaborative IT team where your ideas are welcomed, your development is encouraged and you'll have the opportunity to work with modern cloud technologies while helping shape the future of our infrastructure.

This is an environment where initiative is valued, continuous improvement is encouraged, and no two days are ever quite the same.

AWS (ECS, Amazon MQ, RDS, S3, Workspaces, VPCs)

Microsoft Azure

PowerShell

Meraki networking

SQL Server

SolarWinds (or similar monitoring platforms)

Remote Access technologies

With around 150 Windows servers, multiple AWS environments and Azure services, there's plenty of opportunity to broaden your technical expertise.

What we're looking for

We're looking for someone who's naturally curious, enjoys learning new technologies and isn't afraid to take ownership.

You'll ideally have:

Strong experience administering Windows Server environments

Good knowledge of Active Directory, Group Policy and Windows infrastructure

Excellent troubleshooting and technical problem-solving skills

Experience monitoring and supporting enterprise infrastructure

Knowledge of cloud platforms such as AWS and/or Azure

Experience creating technical documentation and automation

Strong communication skills with the ability to explain technical issues clearly

A proactive, "can do" approach and the confidence to work independently when needed

It would be great if you also have experience with:

PowerShell scripting

Office 365 administration

Networking

Linux

AWS services such as ECS, MQ and web applications

SolarWinds or similar monitoring platforms, Takes ownership and delivers results

Enjoys solving complex technical problems

Thinks analytically and proactively

Works collaboratively across teams

Stays calm under pressure

Has a genuine passion for technology and continuous learning

Ready to join us?

At Signet Jewelers, we're home to iconic brands including H. Samuel and Ernest Jones. Behind every unforgettable customer experience is a modern, resilient technology platform-and we're investing heavily in its future.