AI Security Engineer

Join us at Barclays as an AI Engineer and help shape the future of financial security by designing and deploying solutions that safeguard our systems and sensitive data. You’ll work with a skilled team of data scientists and engineers, playing a key role in the Chief Information Security Office’s GenAI portfolio and helping secure innovation at scale.

To be successful as an AI Engineer you should have:

• Good understanding of Large Language Models (LLMs), prompt engineering, Retrieval-Augmented Generation (RAG), and modern AI frameworks such as Lang Chain, Lang Graph, MCP, with experience developing AI-powered applications.
• Experience working with vector databases, semantic search, and retrieval optimisation techniques, along with an understanding of context management.
• Experience supporting the evaluation, testing, and monitoring of AI agents and automated workflows, including benchmarking and observability in production environments.
• Strong knowledge of cloud platforms, including AWS and Azure.
• Experience of working with containerisation technologies (docker, Kubernetes etc.)
• Strong programming and scripting skills, particularly in Python and Bash together with use of AI assisted coding tools such as claude code.

• Strong research, analytical, and problem-solving skills.
• Excellent written and verbal communication skills.
• Ability to collaborate effectively within cross-functional teams.
• A proactive approach to learning new technologies and adapting to a rapidly evolving AI landscape.

• Contribute to the design and development of innovative AI-powered cybersecurity solutions and capabilities.
• Stay abreast of emerging trends, technologies, and best practices within AI/ML.
• Produce high-quality technical documentation, implementation guides, and user-facing materials.

You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen strategic thinking and digital and technology, as well as job-specific technical skills.

This role can be based in Manchester, Knutsford, Northampton, Glasgow or London.

To develop, implement and maintain solutions that support the safeguarding of the banks systems and sensitive information.

• Provision of subject matter expertise on security systems and engineering patterns.
• Development and implementation of protocols, algorithms, and software applications to protect sensitive data and systems.
• Management and protection of secrets, ensuring that they are securely generated, stored, and used.
• Execution of audits to monitor, identify and assess vulnerabilities in the banks infrastructure/software and support the response to potential security breaches.
• Identification of advancements in to support the innovation and adoption of new cryptographic technologies and techniques.
• Collaboration across the bank, including developers and security teams, to ensure that cryptographic solutions align with business objectives, security policies and regulatory requirements.
• Development/ Implementation and maintenance of Identity and Access Management solutions and systems.

• To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions/ business divisions.
• Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function. Set objectives and coach employees in pursuit of those objectives, appraisal of performance relative to objectives and determination of reward outcomes.
• If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L – Listen and be authentic, E – Energise and inspire, A – Align across the enterprise, D – Develop others.
• OR for an individual contributor, they will lead collaborative assignments and guide team members…