Lead Platform Engineer

Company: Oscar
Apply for the Lead Platform Engineer
Location: Nottinghamshire
Job Description:

Overview

As Lead Platform Engineer, you own and evolve the cloud platform to support a growing data business. You will secure, scale and cost-optimize the Azure-based estate while driving automation and IaC to modernize infrastructure. You’ll lead a cloud separation and migration program spanning Azure and GCP, shaping platform standards and developer experience. This is a hands-on, influential role with cross-functional collaboration and opportunities to define architecture and tooling. You’ll work in a collaborative, hybrid setup with visible impact on reliability and data platform capabilities.

Pay / Benefits

  • Private healthcare after probation
  • Charity donation scheme
  • Work-from-anywhere week
  • Hybrid working
  • Regular team events
  • Flexible and impactful role

Responsibilities

  • Own and manage the Azure cloud estate with a focus on security, reliability and cost efficiency
  • Lead adoption of Terraform and Infrastructure as Code, bringing existing infrastructure under management
  • Own and operate Kubernetes workloads including deployments, ingress, scaling, upgrades, troubleshooting and day-to-day platform operations
  • Build and maintain CI/CD pipelines using Azure DevOps
  • Support cloud migration and separation projects across Azure and GCP
  • Design, automate and test disaster recovery and business continuity solutions
  • Improve monitoring, alerting and observability across the platform
  • Manage cloud security, identity, secrets and certificates
  • Provide technical guidance on Azure architecture and platform engineering
  • Troubleshoot complex infrastructure issues and act as senior technical escalation point
  • Collaborate with development and technology teams to improve platform reliability and developer experience

Key requirements

  • Azure cloud engineering experience with focus on security, reliability and cost efficiency
  • Proven experience with Terraform and Infrastructure as Code
  • Hands-on Kubernetes operations and management
  • CI/CD with Azure DevOps
  • Experience with cloud migrations, especially Azure and GCP
  • Disaster recovery and business continuity design and testing
  • Monitoring and observability improvements
  • Cloud security, identity, secrets and certificates management
  • Strong troubleshooting and senior escalation capabilities
  • Collaboration with cross-functional teams to improve platform reliability
  • collaboration
  • leadership
  • problem-solving
  • Azure
  • GCP
  • Terraform

…

Posted: October 1st, 2026