Azure Cloud Security Engineer - Tesco Mobile

Shape the Future of Cloud Security at Tesco Mobile

Tesco Mobile is the UK’s largest virtual mobile network, powered by O2 and backed by the strength of Tesco. We’re known for doing things differently — winning awards for customer satisfaction and bringing the best of Tesco to over five million customers!

Join a tight-knit, inclusive team where your expertise in cloud security will make a real impact. You’ll be empowered to innovate, supported by the scale and resources of two major brands.

Our Engineering team is agile, collaborative, and deeply invested in delivering secure, scalable solutions. You’ll be part of the Run & Operate Chapter, working within the DevSecOps Squad — a group responsible for the infrastructure and tooling that powers Tesco Mobile’s engineering systems.

While your focus will be Azure cloud security, you’ll also collaborate with DevOps engineers, automation specialists, and platform experts to ensure our environments are secure, resilient, and future-ready.

You will be responsible for:

We will be looking for you to lead efforts to secure our cloud infrastructure, improve visibility through logging and SIEM, and embed security into our development lifecycle.

Define and evolve Azure infrastructure security standards
Act as an authority in cloud security
Collaborate with development teams to enhance logging and observability
Validate infrastructure changes against security guidelines
Work with the Cyber Security Team to align on strategy and compliance
Advocate for security improvements with clear, business-focused communication
Support DevOps initiatives including CI/CD pipeline security and automation

You will need:

Essential skills & experience:

Proven experience in cloud security operations (Azure)
Strong understanding of Azure Security Hub and posture management tools
Automation skills using PowerShell or Azure CLI
Infrastructure as Code experience (Terraform)
Experience with SIEM tools and log management
CI/CD pipeline security integration
SAST and secure coding practices
A collaborative attitude and eagerness to learn

Bonus skills:

Exposure to AWS environments
GitHub & GitHub Actions
Splunk (data streams, dashboards, ingestion)
Python, AWS CLI, and other automation tools
Docker and Kubernetes

#LI-AF2

#LI-Hybrid

What's in it for you:

We’re all about the little helps. That’s why we give our wonderful colleagues bags of benefits. Including wellbeing services, an award-winning pension scheme and much, much more, our colleague reward package keeps on giving. And helps make every day a little better for you and your family. These include but are not limited to:

Annual bonus scheme of up to 20% of base salary
Holiday starting at 25 days plus a personal day (plus Bank holidays)
Buy holiday salary sacrifice scheme (for salaried roles)
Private medical insurance
Retirement savings plan - save between 4% and 7.5% and Tesco will match your contribution
Life Assurance - 5 x contractual pay
26 weeks maternity and adoption leave (after 1 years’ service) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 4 weeks fully paid paternity leave
The right to request flexible working from your first day with us
Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing
A Colleague Clubcard for you & a family member (after 3 months of service), giving you access to lots of discounts in-store & online
Great colleague deals and discounts, saving you money on everyday purchases, eating out and utility bills for the home
Access to our colleague networks providing a space for colleagues to come together from a range of backgrounds. For more information about our colleague networks please click here
Opportunities to get on - take advantage of our ongoing learning opportunities and award-winning training, to help you achieve the job and career you want

Click Here to read more about the full range of benefits we have available for our colleagues

About us:

Our vision at Tesco is to become every customer's favourite way to shop, whether they are at home or out on the move. Our core purpose is 'Serving our customers, communities and planet a little better every day'. Serving means more than a transactional relationship with our customers. It means acting as a responsible and sustainable business for all stakeholders, for the communities we are part of and for the planet.

We are proud to have an inclusive culture at Tesco where everyone truly feels able to be themselves. At Tesco, we not only celebrate diversity, but recognise the value and opportunity it brings. We're committed to creating a workplace where differences are valued, and make sure that all colleagues are given the same opportunities. We're a big business with diverse working patterns and many business areas which means that we can find something that works for you. Everyone is welcome at Tesco.

We have recently announced that we will be moving towards a more blended working week – combining office and remote working. Our offices will continue to be where we connect, collaborate and innovate. Please talk to us to about how this can work for you.

NOTE: Should you be successful in your application, your offer will be subject to and conditional upon you providing your bank account details on your agreed start date.

We're proud to have been accredited Disability Confident Leader and we're committed to providing a fully inclusive and accessible recruitment process. For further information on the accessibility support we can offer, please visit https://www.tesco-careers.com/accessibility