Group Director, Security Architecture

Overview

As Group Director, Head of Security Architecture, you will lead the Cyber Security Architecture function to embed security across major initiatives. You’ll drive a multi-domain architecture strategy, oversee design patterns, and run governance reviews to protect complex 금융 applications in a regulated, global environment. You’ll partner with CTOs, regulators, and vendors, shaping secure transformations and cloud/migration programs. This is a high-impact role with a clear mission to ensure security by design at scale, across LSEG’s markets and services.

Pay / Benefits

• Healthcare
• Retirement planning
• Paid volunteering days
• Wellbeing initiatives

Responsibilities

• Lead and execute the security architecture strategy and KPIs for the team
• Manage a team of architects across technology domains delivering end-to-end services
• Maintain relationships with key stakeholders (Cyber Security peers, CTO, Heads of Architecture, risk and information security leads)
• Define and operate security architecture functions (secure design, principal security architecture, review processes)
• Develop architecture principles, policies, and standards for reference architectures
• Contribute to global enterprise standards within Architecture & Technology Strategy
• Engage with vendors, regulators, and industry bodies to adopt best practices
• Identify and pursue innovative technologies relevant to security (AI, automation, cloud, etc.)
• Act as trusted advisor across the Engineering group and ensure projects meet regulatory security requirements (e.g., DORA, LPM)
• Lead security engagement on major transformation initiatives (mergers/acquisitions/divestments)
• Oversee architecture governance reviews for new builds and changes, including perimeter/firewall and third-party reviews

Key requirements

• Strong expertise in Application Security Architecture and controls
• Experience with security reviews of complex systems and architecture development standards
• Qualifications in security leadership (CISSP, CISMP, or CISM) and TOGAF in architecture
• Extensive enterprise architecture and technology strategy experience in financial services or regulated environments
• Experience working with technology suppliers and global teams
• Proven leadership of high-performing security teams and governance experience
• Strong communication skills for senior stakeholders and incident management
• Experience delivering large-scale technology integrations and transformations
• Ability to work under pressure and during incidents

• Strategic leadership
• Stakeholder relationship management
• Collaborative and governance-focused
• Application Security
• Security Architecture governance
• Security design patterns

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