Infrastructure Engineer

Ernest Jones; Watford; On-site; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Employee discount

Life assurance

Holiday allowance

Health scheme

Pension plan

Career progression

Job summary

Signet Jewelers, home to H. Samuel and Ernest Jones, is seeking an experienced Infrastructure Engineer to join our UK IT team in Watford on a hybrid basis.

You will support and transform our on‑premise and cloud infrastructure as we move to a cloud‑first environment. You’ll manage Windows Server, Active Directory and core services, assist with AWS/Azure migrations, and implement monitoring and automation to reduce incidents.

Qualifications

• Proven experience with Windows Server environments and AD.
• Strong troubleshooting and incident resolution skills.
• Experience documenting infrastructure in clear, accessible formats.

Responsibilities

• Provide 3rd line infrastructure support across on-premise and cloud.
• Maintain and monitor Windows Server, AD, GP and core services.
• Assist cloud migration to AWS and Azure.
• Develop monitoring and automation to prevent incidents.
• Participate in on-call rota during peak periods.

Skills

Windows Server

Active Directory

Troubleshooting

Automation

On-call

Tools

AWS

Azure

PowerShell

Office 365

Meraki networking

Job description

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.

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.

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.