Cyber Security Engineer (Tesco Mobile)

At Tesco Mobile, we�re committed to keeping our customers safe, secure, and connected. As we continue to evolve our technology and digital platforms, cyber security is at the heart of everything we do.

We�re looking for a Cyber Security Engineer to join our team and play a key role in protecting our systems, data, and customers � while helping drive our cyber maturity forward.

As a Cyber Security Engineer, you�ll design, implement, and enhance security controls across our technology landscape. From cloud environments (AWS & Azure) to software development and core infrastructure, you�ll help ensure security is built in by design.

You�ll work closely with cross-functional teams in an Agile environment, influencing how products are built and delivered securely�balancing strong protection with the need for speed and innovation.

This is a hands-on engineering role, ideal for someone who enjoys solving complex problems, writing code, and collaborating with others to embed security into everything we do.

This role can be based from our Slough, Welwyn Garden City or Manchester office (2 days a week in the office)

• Implement and improve enterprise-scale security controls across network, endpoint, cloud, software, and data
• Embed security into the software development lifecycle (DevSecOps)
• Translate technical security requirements into scalable, practical solutions
• Collaborate with engineering teams to ensure products are secure by design
• Support the delivery and operation of security controls, not just their implementation
• Contribute to improving Tesco Mobile�s overall cyber security maturity
• Promote best practices and awareness across the business

• Strong background in Cyber Security Engineering in a modern environment
• Experience with cloud platforms (AWS and/or Azure)
• Knowledge of GitHub and security tooling (e.g., GitHub Advanced Security)
• Proven experience implementing enterprise-level security controls
• Experience integrating security into the software development lifecycle
• Ability to code or script in languages such as Python, PowerShell or Terraform
• Excellent communication skills and ability to influence stakeholders

Nice to have

• Experience with IAM solutions at scale
• Understanding of application security tooling
• Knowledge of frameworks such as NIST or MITRE ATT&CK
• Awareness of current cyber threats and attack techniques
• Relevant certifications or continuous learning in cyber security

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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