Infrastructure Engineer

We offer a fantastic job and more. We are passionate about our profession, and together we can help you realise your full potential. Come and be part of Signet Jewelers and enjoy the following fantastic benefits:

• Competitive salary
• Generous discount of up to 30% off our fabulous products from day one.
• An annual enhanced discount to celebrate the day you joined our team.
• Retirement Savings plans which offer flexibility in the way you save for the future.
• Immediate Life Assurance from day one.
• A minimum of 22 days holiday per year which increases after a years' service.
• Recognised qualifications, study support and structured career progression.
• Health and Wellbeing Scheme.
• Financial Wellbeing scheme.
• Give As You Earn scheme - An easy way to support causes close to your heart.
• Real Rewards - exclusive discounts on groceries, travel and leisure.

Be part of something special!

Signet is the name behind H. Samuel and Ernest Jones. Together, we have more than 270 stores in the UK and Republic of Ireland. But that's not all, we are part of the world's largest retailer of diamond jewellery with approximately 2,800 stores. Just imagine where your career could take you.

Signet Jewelers (H. Samuel & Ernest Jones) is an equal opportunity employer committed to diversity and inclusion. We welcome applications from all sections of the community and are proud to have achieved Disability Confident Committed status (Level
1). All employment is decided on the basis of qualifications, merit and business need.

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 toward 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.

• Provide 3rd line infrastructure support while helping to deliver ongoing improvements across our on‑premise and cloud environments.
• Support and administer our UK infrastructure across servers, cloud platforms and networking.
• Investigate and resolve complex 3rd line technical issues.
• Design and implement proactive monitoring and alerting to prevent future incidents.
• Manage Windows Server environments, Active Directory, Group Policy and core infrastructure services.
• Support our AWS and Azure cloud platforms as we continue to migrate services to the cloud.
• Work closely with internal IT teams and external technology partners to deliver infrastructure improvements.
• Ensure all infrastructure changes meet security, compliance and governance standards.
• Maintain clear technical documentation and automation scripts to improve operational efficiency.
• Participate in an on‑call rota and provide out‑of‑hours support during key retail trading periods.

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, Work spaces, VPCs)
• Microsoft Azure
• Power Shell
• Meraki networking
• SQL Server
• Solar Winds (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.

• 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…