Azure Cloud Security Engineer - Tesco Mobile

About the role

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

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

Tesco has become a market leader by doing the little things that really matter for our customers and colleagues.

It’s part of what makes Tesco such a great place to work, and we’re proud to have been accredited as one of Britain’s Top Employers again this year.

We're the UK's number one retailer and we pride ourselves on offering a great shopping experience. We are passionate about our food, merchandise and services and will always try to get things right for our customers.

But did you know we also offer great job opportunities? With stores, distribution centres and offices across the UK, and a vast variety of roles, we are always looking for people who have a hunger to work with customers and colleagues across our exciting business.

We believe in treating each other with respect and giving everyone an equal opportunity to get on. It's our people that make the difference every day - helping us make a difference for our customers

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

For more information about us please visit www.tescoplc.com