AI Security Engineering Lead

End Date Wednesday 16 September 2026

Salary Range
92,We support flexible working –  for more information on flexible working options

Flexible Working Options Hybrid Working, Job Share

Job Description Summary .

Job Description

JOB TITLE:

AI Security Engineering Lead SALARY: 92, per annum (outside London)                 107, per annum (London)

LOCATION:

Leeds, Bristol, Edinburgh, Manchester, London

HOURS:

Full-time – 35 hours WORKING PATTERN:
Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at one of our office sites. Colleagues with disabilities can be supported with workplace adjustments including hybrid working expectations in line with our Flexibility Works policy.

What you’ll be doing …The Chief Security Office (CSO) plays a critical role in safeguarding the Group against an increasingly complex threat landscape while supporting its vision of helping Britain prosper.

As AI reshapes both opportunity and risk, we are strengthening our capability to secure the Group’s rapidly expanding AI ecosystem. We are looking for an experienced AI Security Engineering Lead to design and deliver the secure engineering patterns, controls, and tooling that protect our AI and machine learning systems.

This is a hands-on technical leadership role, where you will take ownership of complex problem spaces and lead through engineering expertise. You will work directly on code, automation, and platform design, while influencing direction and embedding best practice across AI security engineering in collaboration with senior technical customers and cross-functional teams.

The role is suited to a senior engineer with deep expertise in AI/ML security, modern software engineering, and secure-by-design approaches. You will champion secure architectures, embed Dev Sec Ops  practices, and help elevate engineering capability as the organisation adopts generative AI, agentic systems, and automation  Join us? If you think all banks are the same, you’re wrong. We’re a pioneering, fast-changing business that’s shaping finance as a force for good.

If you’re after a role where you can have an impact and do the best work of your career, you’ve just found itWhat we’re looking for? Experience operating as a senior security engineer and leading engineering initiatives in a Dev Sec Ops  environment.

Strong expertise securing AI and ML systems at scale, including model lifecycle security, data pipelines, and secure deployment.

Strong hands‑on experience with machine learning stacks, such as PyTorch, Tensor Flow, MLflow, Kubeflow, or equivalent managed platforms (e.g. Vertex AI, Azure ML).Solid understanding of cloud‑native and containerised architectures, including Kubernetes and serverless technologies.

Experience operating in complex hybrid environments, spanning public cloud, private cloud and on‑premise platforms.

Experience building automation and engineering tooling using Python, Go, or similar languages.

Certifications such as CISSP, CCSP, or cloud security accreditations are appreciated but not required.

Why This Role Matters…This team is responsible for defending one of the UK's most trusted institutions as it adopts next generation AI capabilities. You'll help shape the Group's AI security posture, designing and deploying the controls that keep our customers, colleagues, and services safe - while enabling bold transformation across the bank.

What You'll Get - A senior technical leadership role in one of the UK's largest and most dynamic security organisations.

Opportunity to shape AI security strategy at national scale.

An environment that supports experimentation, an engineering-forward approach, and continuous learning.

Training, certifications, and learning pathways across AI, Cloud, Security Engineering, and Architecture.

This is a place for you…Our ambition is to be the leading UK business for diversity, equity and inclusion, supporting our customers, colleagues and communities. We are committed to creating an environment in which everyone can thrive, learn and develop.

We were one of the first major organisations to set goals on diversity in senior roles, create a menopause health package,…