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About the Role

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 DevSecOps practices, and help elevate engineering capability as the organisation adopts generative AI, agentic systems, and automation at scale.

Responsibilities

Design and deliver secure engineering patterns, controls, and tooling to protect AI and machine learning systems.
Take ownership of complex problem spaces and lead through engineering expertise.
Work directly on code, automation, and platform design.
Influence direction and embed best practice across AI security engineering.
Collaborate with senior technical customers and cross-functional teams.
Champion secure architectures.
Embed DevSecOps practices.
Elevate engineering capability as the organisation adopts generative AI, agentic systems, and automation at scale.

Requirements

Experience operating as a senior security engineer and leading engineering initiatives in a DevSecOps 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, TensorFlow, 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.

Skills

AI/ML security
Modern software engineering
Secure-by-design approaches
DevSecOps
Generative AI
Agentic systems
Automation
PyTorch
TensorFlow
MLflow
Kubeflow
Vertex AI
Azure ML
Cloud-native architectures
Containerised architectures
Kubernetes
Serverless technologies
Public cloud
Private cloud
On-premise platforms
Python
Go

Location

Leeds
Bristol
Edinburgh
Manchester
London

Work Type

Hybrid Working
Job Share
Full-time

Experience Level

Senior engineer
Senior technical leadership

Education Level

CISSP certification appreciated but not required
CCSP certification appreciated but not required
Cloud security accreditations appreciated but not required

Salary/Compensations

£92,701 - £109,060
£92,701 - £115,000 per annum (outside London)
£107,304 - £130,000 per annum (London)

Benefits

Generous pension contribution of up to 15%
Annual bonus award, subject to Group performance
Share schemes including free shares
Benefits you can adapt to your lifestyle, such as discounted shopping
30 days’ holiday, with bank holidays on top
A range of wellbeing initiatives
Generous parental leave policies
Training, certifications, and learning pathways across AI, Cloud, Security Engineering, and Architecture.

About the Company

We support flexible working – click here for more information on flexible working options
We’re a pioneering, fast-changing business that’s shaping finance as a force for good.
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, and launch a dedicated Working with Cancer initiative.
As a Disability Confident Leader, we guarantee interviews for a fair and proportionate number of applicants who meet the minimum criteria for the role and have a disability, long-term health or neurodivergent condition, through the Disability Confident Scheme.
We provide reasonable adjustments throughout the recruitment process to reduce or remove barriers - just let us know what you need.
At Lloyds Banking Group, we're driven by a clear purpose; to help Britain prosper.
Across the Group, our colleagues are focused on making a difference to customers, businesses and communities.
With us you'll have a key role to play in shaping the financial services of the future, whilst the scale and reach of our Group means you'll have many opportunities to learn, grow and develop.
We keep your data safe.
We're focused on creating a values-led culture and are committed to building a workforce which reflects the diversity of the customers and communities we serve.
Together we’re building a truly inclusive workplace where all of our colleagues have the opportunity to make a real difference.

Equal Opportunity

We offer reasonable workplace adjustments for colleagues with disabilities, including flexibility in office attendance, location and working patterns.
As a Disability Confident Leader, we guarantee interviews for a fair and proportionate number of applicants who meet the minimum criteria for the role and have a disability, long-term health or neurodivergent condition, through the Disability Confident Scheme.
We provide reasonable adjustments throughout the recruitment process to reduce or remove barriers - just let us know what you need.