Confirmed on the employer's own hiring board on Oct 1, 2026. First seen by Alion on Oct 1, 2026. Tesco scores A on the Alion truth index.
About the role
As a DevSecOps Engineer, you will join Tesco Mobile's DevSecOps Squad to support and enhance cloud platform capabilities across AWS, Azure and private cloud environments. You'll play a key role in maintaining secure, reliable and scalable platforms, driving automation and infrastructure as code adoption, and supporting the developer ecosystem used across Tesco Mobile. Working closely with engineering, architecture and cyber security teams, you'll help shape platform strategy while remaining hands-on with delivery
What is in it for you
We’re all about the little helps. That’s why we make sure our Tesco colleague benefits package takes care of you - both in and out of work. Click Here to find out more!
- Annual bonus scheme of up to 20% of base salary
- Holiday starting at 25 days plus a personal day (plus Bank holidays)
- Private medical insurance
- 26 weeks maternity and adoption leave (12 months service required at the qualifying date) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 weeks fully paid paternity leave
- 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
The above information is a shortened summary, refer to our policies for full details
You will be responsible for
- Providing technical leadership within the DevSecOps squad.
- Maintaining cloud platforms to high standards of reliability, security and recoverability.
- Influencing systems design decisions and reviewing technical proposals.
- Driving continuous improvements in DevSecOps processes and tooling.
- Working with Cyber Security and other stakeholders to implement security enhancements.
- Championing platform automation, Infrastructure as Code (IaC), observability and engineering excellence.
- Collaborating with software engineers, architects, security specialists and product teams.
- Promoting self-service capabilities and automation solutions.
- Balancing strategic thinking with hands-on technical delivery.
- Mentoring and supporting colleagues where required.
- Supporting and administering cloud platforms and central developer tooling, including GitHub and Splunk.
You will need
- Strong experience in cloud platform engineering, with expertise in AWS, Azure or both.
- Experience designing, implementing and supporting cloud infrastructure.
- Knowledge of Infrastructure as Code tools, particularly Terraform.
- Strong understanding of cyber security principles and secure platform design.
- Experience with automation, observability and systems reliability engineering practices.
- Ability to influence technical decisions and collaborate across multiple teams.
- Excellent stakeholder management, communication and collaboration skills.
- Experience working in agile engineering environments.
- A proactive approach to continuous improvement, platform standardisation and reducing technical debt.
- Experience supporting developer tooling and engineering platforms would be advantageous.
About 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 & 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.

