Overview

Tesco UK • Slough • Permanent • Apply by 04-Oct-2025Shape the Future of Cloud Security at Tesco MobileTesco 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 and 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.

What is 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 salaryHoliday starting at 25 days plus a personal day (plus Bank holidays)Buy holiday salary sacrifice scheme (for salaried roles)Private medical insuranceRetirement savings plan - save between 4% and 7.5% and Tesco will match your contributionLife Assurance - 5 x contractual pay26 weeks maternity and adoption leave (after 1 year''s service) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 4 weeks fully paid paternity leaveThe right to request flexible working from your first day with usFree 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 wellbeingA Colleague Clubcard for you and a family member (after 3 months of service), giving you access to lots of discounts in-store and onlineGreat colleague deals and discounts, saving you money on everyday purchases, eating out and utility bills for the homeAccess 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 hereOpportunities to get on - take advantage of our ongoing learning opportunities and award-winning training, to help you achieve the job and career you wantClick Here

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

You will be responsible

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 standardsAct as an authority in cloud securityCollaborate with development teams to enhance logging and observabilityValidate infrastructure changes against security guidelinesWork with the Cyber Security Team to align on strategy and complianceAdvocate for security improvements with clear, business-focused communicationSupport DevOps initiatives including CI/CD pipeline security and automationYou will needEssential skills and experience:Proven experience in cloud security operations (Azure)Strong understanding of Azure Security Hub and posture management toolsAutomation skills using PowerShell or Azure CLIInfrastructure as Code experience (Terraform)Experience with SIEM tools and log managementCI/CD pipeline security integrationSAST and secure coding practicesA collaborative attitude and eagerness to learnBonus skills:Exposure to AWS environmentsGitHub and GitHub ActionsSplunk (data streams, dashboards, ingestion)Python, AWS CLI, and other automation toolsDocker and Kubernetes#LI-AF2#LI-HybridAbout us

A 50-50 joint venture between Tesco and VMO2 that was established back in 2003, Tesco Mobile has gone from strength to strength as we''ve launched into new services and markets. With more than 5 million customers, we''re the largest mobile virtual network operator in the UK. We''re proud to have an inclusive culture that''s uniquely Tesco Mobile, with a strong sense of community, plus all the benefits of working for one of the shareholders.We care for human connection and we keep our customers at the heart of everything we do, which is why we''ve embraced the Agile way of working. Agile is more than just a methodology - it''s a liberating journey that puts customers and purpose first. It empowers us to self-organise, collaborate, co-create and rapidly inspect and adapt everything we do - allowing us to respond at pace to our customers'' needs. It encourages variety of thought and enables us to thrive, both individually and collectively.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 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 click here.We''re a big business and we can offer a range of diverse full-time and part-time working patterns across our many business areas, which means that we can find something that works for you. We work in a more blended pattern - combining office and remote working. Our offices will continue to be where we connect, collaborate and innovate. If you are applying internally, please speak to the Hiring Manager about how this can work for you - Everyone is welcome at Tesco.

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