Senior Platform Engineer / SRE
Publicis Sapient// Citi · GKE Public Cloud Platform · Jan 2025 – Present
- Operate Citi's centralised GKE platform as a multi-tenant shared service for hundreds of clusters bank-wide, with namespace isolation, platform controls and Tier-1 regulatory compliance.
- Built reusable Terraform Enterprise modules for cluster provisioning with Sentinel policy enforcement that blocks security misconfiguration across the estate.
- Manage fleet-wide configuration with Argo CD and Helm, with drift auto-remediated. Define cluster-tier SLOs and lead incident response and blameless postmortems.
// Lloyds Banking Group · GCP Platform & Data Analytics · Jul 2022 – Nov 2024
- Operated Lloyds' GCP Internal Developer Platform, self-service infrastructure for 50+ teams, cutting environment provisioning time 70%.
- Built the GCP data-analytics foundation (BigQuery, Pub/Sub, Dataflow, Composer, Cloud SQL) and enabled Vertex AI & Looker onboarding with IAM and VPC Service Controls.
- Led the Spinnaker → Harness migration standardising GitOps division-wide. Hardened the image supply chain with Aqua + Harbor, raising image-scan compliance 60% and cutting spend 20% through rightsizing.



