Principal Security Architect

Job Description

The Cyber Security Team in client is a highly transparent, adaptable, and effective team within the Technology function. We enable the organization to deliver against its strategic objectives by reducing cyber risk and strengthening the overall security posture across transformation initiatives, including cloud migration.

The Principal Security Architect (PSA) plays a critical leadership role in defining, governing, and assuring secure architecture for applications undergoing transformation, particularly within the client –Microsoft Partnership (LMP) migration programme. The role focuses on ensuring that security is embedded into application design, re-architecture, and cloud adoption (Azure), while maintaining alignment with enterprise security standards and regulatory expectations.

Responsibilities:

· Security Architecture & Assurance

• Define and review security architecture for applications migrating to Azure, ensuring secure-by-design principles and alignment with enterprise standards.
• Conduct architecture reviews, identify risks, and ensure remediation actions are agreed and tracked

· Advisory & Governance

• Provide expert guidance on cloud security controls and best practices to engineering and architecture teams
• Support governance forums, design reviews, and decision-making to ensure compliance with security frameworks

· Stakeholder Engagement & Collaboration

• Engage with architects, project teams, and senior stakeholders to align on security requirements and solutions
• Collaborate across cyber and technology teams to ensure comprehensive security coverage

· Reporting & Continuous Improvement

• Deliver concise security posture reports for application designs and track key risks and recommendations
• Contribute to metrics, reporting, and ongoing improvement of security architecture practices

Requirements:

• Proven experience in application migration and transformation programmes (re-platform, re-architect, re-factor)
• Deep understanding of security control frameworks, cloud security principles, and enterprise architecture practices
• Experience conducting security architecture reviews and risk assessments
• Strong stakeholder management and influencing skills, with the ability to engage at senior levels
• Excellent verbal and written communication skills, capable of translating complex technical concepts into business-friendly language
• Ability to operate effectively in complex, fast-paced transformation programmes
• Strong collaboration skills with the ability to work across distributed teams and multiple disciplines
• Highly adaptable, with a proactive approach to problem-solving and continuous improvement