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Posted 12 August, 2026

Lead Platform Security Architec

Lawrence Harvey Group
London, ENG, GB Full Time

Job Description

Role: Lead Platform Security ArchitectLocation: London office 3 days per weekSalary: up to 130,000 fixed salary + 15% bonusLawrence Harvey is partnering with a rapidly growing digital trading platform that serve as the backbone for a multitude of high-profile financial services players.They are searching for a Lead Platform Security Architect (Security Hire #2) to work alongside the CISO and Platform Engineering teams. You'll be defining the security strategy for a modern cloud platform, ensuring security is embedded across architecture, engineering and technology delivery.This is a hands-on role where you'll shape security standards, influence platform design, and enable engineering teams to build secure, scalable cloud services from the ground up.Key ResponsibilitiesOwn the security architecture for cloud platforms, ensuring secure-by-design principles are embedded across engineering.Conduct architecture reviews, threat modelling and security assessments for new platforms and services.Establish security standards for Azure, Kubernetes, identity, networking, Infrastructure-as-Code and cloud-native technologies.Integrate security into platform engineering, CI/CD pipelines and developer workflows.Provide technical leadership on security governance, risk management and third-party assurance.Key Requirements:Proven experience designing and securing enterprise cloud platforms.Strong background in Platform Security, Cloud Security Architecture or DevSecOps.Expertise across Azure, Kubernetes, containers, IAM and Infrastructure-as-Code.Ability to work closely with engineering teams while influencing technical and business stakeholders.A pragmatic approach to balancing security, resilience and delivery.This is an excellent opportunity to join a business investing heavily in its cloud platform and play a key role in building a secure, scalable technology foundation for future growth.Apply now or send your CV to [email protected].