Could Security Engineer (AWS or Azure) Tesco MobileTesco Mobile • Slough, England, United Kingdom
Could Security Engineer (AWS or Azure) Tesco Mobile
Tesco Mobile
- Slough, England, United Kingdom
- Slough, England, United Kingdom
À propos
As a
Cloud Security Engineer
within the
Run & Operate Chapter , you’ll join our
DevSecOps Squad , working alongside DevOps engineers, platform specialists, and the Cyber Security Team. Your mission: to secure and optimise our cloud platforms across
Azure and AWS , embedding robust security practices into everything we build and operate.
This is a hands‑on role where you’ll define cloud security standards, drive improvements, validate infrastructure changes, and strengthen our detection and response capabilities. Your work will directly influence how we protect our services, customers, and engineering systems.
You will play a key role in securing and maturing Tesco Mobile’s cloud environments (Azure and AWS):
Define, maintain, and evolve cloud infrastructure security standards across AWS and Azure
Act as a subject‑matter expert on cloud and infrastructure security
Lead and deliver cloud security improvement initiatives and posture management work
Operational Cloud Security
Use services like
Azure Security Center/Security Hub
and
AWS Security Hub
to monitor and enhance posture
Identify threats, risks, and misconfigurations — and implement effective mitigation strategies
Validate infrastructure changes to ensure they meet security and compliance requirements
Collaboration & Strategy
Work closely with the Cyber Security Team to align on strategy, controls, and company‑wide initiatives
Communicate risk and security improvements in a clear, business‑focused way
Support containerised environments and cloud‑native workloads where relevant
Proven experience in
cloud security operations
with either
Azure or AWS
(ideally both)
Hands‑on experience with cloud security monitoring and posture management tools
e.g., Azure Security Center, Azure Defender, AWS Security Hub
Strong understanding of cloud governance, threat identification, and risk mitigation
Experience integrating security controls into
CI/CD pipelines
Infrastructure as Code expertise (Terraform preferred)
Logging/SIEM experience (e.g., Splunk, Sentinel, CloudWatch Logs)
Automation skills using PowerShell, Azure CLI, AWS CLI, and/or Python
Understanding of SAST, secure coding, and DevSecOps practices
Collaborative mindset and eagerness to learn
Nice to have
GitHub & GitHub Actions
Experience with both AWS and Azure
Exposure to Docker, Kubernetes, or cloud container security
Experience creating dashboards, log ingestion or data streams in Splunk
#LI-AF2
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 & 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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Compétences linguistiques
- English
Avis aux utilisateurs
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