Infrastructure Engineer
Location: Watford (Hybrid)
Salary: Competitive + Bonus + Excellent Benefits
Help build the technology behind some of the UK's best-loved jewellery brands.
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.
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
Participating in an on-call rota and providing out-of-hours support during key retail trading periods
Our Technology
You'll gain exposure to a broad and evolving technology landscape including:
Windows Server
Active Directory & Group Policy
Office 365
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
Why Signet?
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.
What you'll bring
You'll be someone who:
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?
If you're looking for an opportunity where you can make a real impact, develop your cloud expertise and be part of a business investing in its technology future, we'd love to hear from you.
Apply today and help shape the infrastructure that powers Signet Jewelers.
