Lead Security Architect - Flutter Functions

About the Role

The Lead Security Architect will design and lead the future security strategy and architecture for the organisation. This strategic role involves driving the design of future-fit, AI-ready security controls and translating emerging agentic-led security concepts into practical, enterprise-grade control designs. The architect will shape the security posture to anticipate future threats while mentoring technical teams and collaborating across the organisation to embed security excellence.

Key Responsibilities

• Build next-generation security architectures that anticipate and address emerging threats in an AI-driven landscape.
• Lead the strategic vision and implementation of agentic-led security models, translating conceptual frameworks into actionable control designs, and drive the adoption of AI-ready security controls and automation.
• Evaluate and integrate cutting-edge security technologies and frameworks, architecting solutions with AWS, cloud-native platforms, and specialised security tools to create resilient, scalable security ecosystems.
• Contribute to the organisation's long-term security strategy and roadmap, identifying opportunities for innovation and strategic advancement.
• Provide deep technical expertise and strategic guidance in the deployment and optimization of key security platforms, including AWS security, Wiz, Splunk, Google Threat Intelligence, CrowdStrike EDR, and Cato AIM.
• Lead technical security architecture reviews and approvals across all systems and applications, and drive threat modeling, risk assessments, and vulnerability management using advanced tools and AI-powered insights.
• Lead and mentor technical security teams, fostering a culture of innovation and security excellence, and act as a thought leader and trusted advisor influencing security strategy across the organisation.
• Build and maintain strategic relationships with internal partners, technical teams, and third-party vendors, and collaborate with product, technology, engineering, and business functions to embed security into organizational DNA.
• Champion security-first thinking in migration, modernization, and digital transformation initiatives, and support such projects with a focus on cybersecurity standards and future-readiness.
• Take responsibility for implementation of security policies, standards, and procedures aligned with modern frameworks, manage incident, change, problem, and risk management processes, ensure compliance with regulatory requirements
• And participate in continuous improvement of security processes and controls.

Required Experience & Qualifications

• Significant number of years experience in cybersecurity architecture and design, with significant hands-on expertise in enterprise security technologies.
• Proven deep expertise with AWS security architecture, controls, and procedures in enterprise environments.
• Demonstrated expertise with modern cloud security platforms, endpoint detection and response (EDR), and SIEM solutions.
• Strong understanding of advanced threat intelligence integration and threat-driven security architecture.
• Hands-on experience with at least three of the following: Wiz, Splunk, CrowdStrike, Cato AIM, Google Threat Intelligence.
• Proven track record of designing and implementing AI-ready and automated security controls at scale.
• Leadership experience managing security teams and driving organizational security initiatives.
• Excellent collaboration and communication skills with the ability to translate complex concepts for diverse audiences.
• Practical understanding of cybersecurity principles, emerging trends, and next-generation security frameworks.
• Experience working in Agile and fast-paced, evolving threat landscapes.

Preferred Skills

• Experience conceptualizing and implementing agentic-led security models or autonomous security operations.
• Expertise in securing AI/ML systems and applications.
• Relevant advanced security certifications (CISSP, CCSK, or equivalent).
• Experience supporting large-scale migration, modernization, and digital transformation projects.
• Background in software engineering, coding, and security automation.
• Active engagement with the security community and thought leadership (speaking, publications, etc.).
• Experience in regulated industries with complex compliance requirements.

Workplace

• Dublin (hybrid 2 days) or UK Remote

Benefits & Perks

• Flexible working
• Competitive bonus scheme
• Uncapped holiday allowance
• Enhanced pension scheme
• Private healthcare
• Life assurance
• Income protection
• £1,000 Annual self-development learning fund
• Invest via the Flutter Sharesave Scheme
• Enhanced parental leave
• Opportunity to shape the future of security in a fast-moving, innovative organisation
• Access to cutting-edge security technologies and platforms

About the Company

Flutter is a world leader in online sports betting and iGaming, with market-leading positions in the US and globally. We're working to be an inclusive employer and encourage people from all backgrounds, ways of thinking, and working styles to apply.