Chapter Lead - Security Engineering & Operations Manager

Tesco Mobile Ltd; Welwyn Garden City; Hybrid; GBP 80,000 - 120,000; Full time

Benefits offered by this job

Annual bonus up to 20%

25 days holiday + personal day

Private medical insurance

Maternity leave 26 weeks

24/7 virtual GP & EAP

Job summary

Tesco Mobile Ltd seeks a senior security leader to define and execute a multi-year roadmap, translating risk, regulatory needs and tech challenges into scalable security solutions. You will build forward-looking capability in vulnerability management, incident response, threat intelligence and research.

A passion for frontier AI cyber capabilities and a culture of collaboration is essential. You will drive metrics, lead teams, influence senior stakeholders and ensure secure-by-design systems

Qualifications

• Experience integrating security into the SDLC and secure-by-design practices.
• Awareness of current cyber threats and attacker techniques.
• Experience implementing AI agents in security contexts.
• Knowledge of internal control frameworks and regulatory expectations.
• Familiarity with SIEM, SOAR, EDR and threat intel platforms.

Responsibilities

• Define and execute a multi-year roadmap translating risk, regulatory needs and tech challenges into scalable security solutions.
• Establish a forward-looking capability across vulnerability management, incident response, threat intelligence and research.
• Pursue learning in frontier AI cyber capabilities and apply to the business.
• Maintain attention to detail and strong communications across teams.
• Identify emerging threats and build a fluid roadmap to protect TMUK.
• Ensure systems are safe and secure by design.
• Define success metrics and use data to inform risk management strategy.
• Lead high-performing teams and influence senior stakeholders to drive adoption.
• Cultivate collaboration, innovation and adherence to industry standards.
• Improve ways of working and deepen customer understanding.

Skills

Agile project management

Security by design

Threat intelligence awareness

AI agents experience

Regulatory controls

Security tooling (SIEM/EDR)

Governance frameworks (NIST/ATT&CK)

Industry certifications

Tools

SIEM

SOAR

EDR

Vulnerability scanning

Threat intel platforms

Job description

You will be responsible for

• Ability to define and execute a multi-year roadmap, translating business risk, regulatory requirements, and technical challenges into scalable engineering solutions.
• Establish a forward-looking capability across vulnerability management, incident response, threat intelligence, and research.
• An ambition to constantly learn new skills and develop knowledge, with a specific focus onmonitoring developments in frontier AI cyber capabilities
• Attention to detail andgreat communicationskills.
• Identify emerging threats, proactively building a fluid roadmap to protect TMUK
• Ensuring that systems are safe and secure against threats by keeping in mind that the systems must be secure by design.
• Define success metrics,using data to inform risk management strategy
• Demonstrated ability to build and lead high-performing teams, while influencing senior stakeholders and driving adoption across engineering and business units
• Keen to cultivate a culture of collaboration, innovation and bringing industry standards to everything we do.
• Shouldbe passionate about improving ways of working and best practices by understanding the customer.

You will be responsible for

• Ability to define and execute a multi-year roadmap, translating business risk, regulatory requirements, and technical challenges into scalable engineering solutions.
• Establish a forward-looking capability across vulnerability management, incident response, threat intelligence, and research.
• An ambition to constantly learn new skills and develop knowledge, with a specific focus onmonitoring developments in frontier AI cyber capabilities
• Attention to detail andgreat communicationskills.
• Identify emerging threats, proactively building a fluid roadmap to protect TMUK
• Ensuring that systems are safe and secure against threats by keeping in mind that the systems must be secure by design.
• Define success metrics,using data to inform risk management strategy
• Demonstrated ability to build and lead high-performing teams, while influencing senior stakeholders and driving adoption across engineering and business units
• Keen to cultivate a culture of collaboration, innovation and bringing industry standards to everything we do.
• Shouldbe passionate about improving ways of working and best practices by understanding the customer.

You will need

• Project management experience, at an agileorganization.
• Proven record of integrating security features in the software development life cycle, integrating security by design& defaultin a complex environment.
• Have awareness and understanding of current cyber security threats,actorsand their techniques.
• Implemented AI agents, either internally or customer facing.
• Experience implementing engineering solutions that meet internal control frameworks and regulatory expectations.
• Experience with security tooling & solutions e.g. SIEM, SOAR, EDR, vulnerability scanning, threat intelligence platforms.
• Knowledge of relevantsecurity & AI governanceframeworks andregulations, such asMitreATT&CK, NIST, TSA.
• Any relevantstudy or certifications, either formal or self-learning.

Whats 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.

• 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

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,

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.