Platform Engineering Lead/Platform Architect in London

Platform Engineering Lead/Platform Architect

Location– London, UK,

Type-FTE

What you will do

• - **Lead and mentor** a small team of platform engineers; set priorities, review designs and PRs, hire and onboard.
• - **Take the platform live:** own production readiness, DR testing, pen-test and vulnerability remediation.
• - **Run the platform:** AWS, EKS, Terraform, GitOps, policy enforcement, messaging and observability, with runbooks and incident ownership.
• - **Own vendor connectivity and security:** private and mTLS integrations, certificate lifecycle and identity, working with vendor technical teams.
• - **Own architecture decisions:** write and defend ADRs at architecture review boards.
• - **Set CI/CD and promotion standards:** audited pipelines and release gates, agreed with central engineering.
• - **Plan and report:** Jira backlog, status reporting, cost estimates; raise risks early.
• - **Support delivery partners** onboarding new services onto the platform.
• - Hands-on AWS, Kubernetes/GitOps and Terraform at scale, with team or technical-lead experience.
• - Solid grounding in PKI, mTLS, OAuth2/OIDC, and network and edge security.
• - Experience running production platforms, including DR and incident management.
• - Experience writing architecture decisions and presenting them to governance boards.
• - CI/CD expertise and a pragmatic approach to controls in a regulated setting.
• - Clear communicator across security, architecture and vendor stakeholders.
• - Familiarity with AI-assisted engineering.
• - Financial services or payments experience.
• - Message-broker and observability tooling experience.

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