Line managing a small, established team of Security Architects
Providing security leadership across AI-enabled platforms and products
Partnering with AI technology leaders and Group CISO teams (policy, behaviour and culture, security management, and SecOps)
Engaging with Capita's AI Council and the wider business
Building a demonstrable and defensible AI security framework that builds internal and external trust
The impact
You will be operating at the leading edge of AI-enabled Business Process Outsourcing in the UK, shaping the trustworthiness of services relied upon by millions of people every day.
This is a rare opportunity to influence AI security at enterprise scale-both now and for the future.
At Capita, we live by our values: 🤝 Customer First, Always; 🧑💻 Fearless Innovation; ✅ Achieve Together; 💙 Everyone is Valued. These guide how we work, collaborate, and deliver exceptional results.
Job title:
Head of AI Security
Job Description:
Essential Skills
Experience with demonstrable depth in AI and emerging technology security.
Proven ability to lead cross-functional or virtual teams in complex organisations through influence rather than authority.
Experience developing and executing security strategy, in a large or regulated environment.
Strong knowledge of AI threat taxonomy: prompt injection, goal hijacking, memory poisoning, non-human identity abuse, and multi-agent attack surfaces.
Understanding of EU AI Act, NCSC AI security guidelines, OWASP GenAI Security Project, and MITRE ATLAS.
Ideally involved in academic and/or industry research on AI Security
Leadership behaviours:
Strategic thinking: able to translate fast-moving threat intelligence into clear organisational direction.
Influence-based leadership: build accountability and momentum across organisational boundaries without direct authority.
Communication: produce high-quality briefings for technical and non-technical audiences.
Intellectual rigour: engage with academic and industry research at practitioner depth.
Pace and adaptability: able to operate effectively when the threat landscape changes faster than planning cycles.
Desirable
Relevant professional qualification: CISSP, CCSP, CISM, or equivalent. Advanced or specialist credentials (ISSAP, Chartered SABSA, or equivalent) are advantageous.
Join Capita - Where Innovation Meets Opportunity
We're committed to your development and success, providing opportunities to learn, progress, and shape better outcomes for customers and communities. If you're ready to make an impact and grow your career, Capita is the place for you. Check out our website www.capita.com
What's in it for you?
💻 Remote - occasional travel when required work from wherever you're happiest in the UK
💰 Competitive Salary, healthcare
🌴 23 days' holiday , rising to 27 (pro rata) - plus the option to buy more after qualifying period
❤️ Paid volunteering day with a charity of your choice
🍼 Generous family leave policies - including 15 weeks' fully paid maternity, adoption, and shared parental leave
🚴♀️ Cycle2Work scheme , pension, life assurance, and more
Choose 'Apply now' to fill out our short application, so that we can find out more about you.
We're an equal opportunity and Disability Confident employer, which means we recruit and develop people based on their merit and passi
Benefits
Health insuranceRemote work optionsParental leave
Additional Information
Head of AI Security - (UK homebased)
We're excited to introduce a new leadership role: Head of AI Security.
This is a strategic position within the Group CISO's Strategy function, with responsibility for Capita's AI security posture at a critical point of change in the threat landscape.
Why this role matters
- Exploitation timelines have reduced from months to hours
- Autonomous, multi-agent attacks are now operational
- The EU AI Act introduces high-risk obligations from August 2026
This role ensures Capita remains secure, compliant, and trusted as AI adoption accelerates.
Capita · London, UK