Senior Platform Engineer

Company: Janus Henderson
Apply for the Senior Platform Engineer
Location: London
Job Description:

Overview

In this role you will lead the design and evolution of CI/CD capabilities across the enterprise, enabling secure, scalable software delivery. You’ll blend DevOps, platform architecture, and developer experience to standardise practices and reduce friction for engineering teams. You will drive the Azure DevOps-to-GitHub transition, implement reusable pipelines, and integrate with Snowflake and Databricks. You’ll act as a subject-matter expert, promoting tooling standardisation, self-service capabilities, and robust security. This is a chance to shape a modern, governed platform that enables rapid, reliable software delivery at scale.

Pay / Benefits

  • Hybrid working
  • Generous holiday policies
  • Health and wellbeing benefits including Wellhub
  • Paid volunteer time
  • Professional development courses and tuition reimbursement
  • Parental leave and family services

Responsibilities

  • Lead the design, delivery and evolution of CI/CD capabilities across the enterprise
  • Migrate from Azure DevOps to GitHub and implement standardised pipelines and release automation
  • Develop and maintain Infrastructure-as-Code solutions (Terraform, Bicep, etc.) for cloud provisioning
  • Deliver and optimise Azure-based cloud platforms for scalability, resilience and cost efficiency
  • Serve as SME for DevOps tooling (GitHub, Nexus, Veracode) and embed security into pipelines and platform services
  • Enable DevOps practices for Snowflake and Databricks, including environment provisioning and CI/CD integration
  • Implement observability, SRE practices (SLIs/SLOs), and incident management
  • Embed security, compliance, and auditability into platform components; support audit engagements and remediation
  • Drive developer experience through standardisation, self-service tooling, templates, and AI-enabled capabilities
  • Collaborate with AI Team, Architecture, Cloud COE, SRE and engineering teams; mentor junior engineers

Key requirements

  • 6+ years in platform engineering, DevOps, or infrastructure roles
  • Strong experience with cloud platforms (Azure preferred)
  • Proficiency with containerization (Docker, Kubernetes)
  • Hands-on with CI/CD tools (GitHub, Azure DevOps, GitLab CI)
  • Experience with IaC tools (Terraform, Pulumi, Ansible)
  • Migration experience between CI/CD platforms (ADO to GitHub) and modern DevOps tooling
  • Deep IaC experience with Terraform/Bicep and automated cloud provisioning
  • Strong knowledge of Azure services (compute, networking, identity, security)
  • Experience with DevSecOps (SAST/DAST, Veracode), secrets management, secure pipelines
  • Artifact management (Nexus) and modern DevOps tooling ecosystems
  • Internal Developer Platform (IDP) capabilities, self-service provisioning, templates
  • SDLC, release engineering, environment lifecycle management
  • Experience with Snowflake and/or Databricks CI/CD integration
  • Observability and monitoring (Azure Monitor, Prometheus, Grafana); SRE practices
  • Strong scripting/programming (Python, PowerShell, Bash); automation mindset
  • Understanding of security, networking, RBAC, Zero Trust in cloud/DevOps
  • Exposure to AI-enabled developer tooling (GitHub Copilot) and improving developer experience
  • Experience in regulated, governance-focused enterprise environments
  • Strong communication, collaboration, and stakeholder management
  • strong communication
  • collaboration
  • stakeholder management
  • Azure
  • Docker
  • Kubernetes

…

Posted: October 22nd, 2026