Platform Principal Engineer

Company: Parser
Apply for the Platform Principal Engineer
Location: London
Job Description:

This position allows you to join a fast-growing technology organisation focused on the critical migration and architectural evolution of our .NET services from AWS to Azure. If you are passionate about cloud-native transformation and want to lead the shift toward asynchronous, high-scale architectures, this opportunity is for you.

Role Summary

As an Azure Principal Platform Engineer, you will act as the authoritative Subject Matter Expert (SME) to help a major fintech architect, bootstrap, and build from scratch an enterprise-grade, multi-tenant AKS platform on a greenfield Azure landing zone. Crucially, you will guide the establishment of an internal platform team, designing the platform operating model and upskilling in-house engineers along the way. You will also collaborate to upskill the in-house team along the way.

The Impact You’ll Make

  • Architect and Bootstrap: Design and provision a greenfield, highly-scalable, multi-tenant AKS platform from the ground up (focusing on underlying cluster architecture, not just workload deployment).
  • Act as the Kubernetes Reference (SME): Serve as the authoritative internal expert for the vast Kubernetes ecosystem, filling a critical knowledge gap and guiding our long-term architectural direction.
  • Establish a Platform Operating Model: Help structure and establish an Internal Developer Platform (IDP), defining how the new platform team will interact with and empower developer teams through self-service capabilities.
  • Upskill and Mentor: Transition the in-house engineering team into a high-performing internal platform team throughout the platform build process.
  • Observability: Design and implement enterprise-grade logging, metrics, and tracing for Kubernetes at scale.
  • IaC Leadership: Implement and manage Infrastructure as Code to a senior standard, taking charge of state strategy, module design, and drift management.
  • AKS Platform Architecture: Building strict multi-tenant environments, logical isolation (namespaces/RBAC), network policies, resource quotas, upgrade strategies, node pools, and workload identity. (MUST)
  • Advanced Kubernetes Ecosystem: Deep understanding of control plane mechanics, custom resource definitions (CRDs), and operators. (MUST)
  • Kubernetes Engineering: GitOps (Argo CD/Flux), secrets management, ingress/mesh, and OPA/Gatekeeper. (MUST)
  • Observability: OpenTelemetry (MUST)
  • Tooling: Spacelift, Atlantis, or Terraform Cloud (Desired)
  • Governance: EPAC (Enterprise Policy as Code) (Desired)

What You’ll Bring To Us

  • Recent, hands-on experience operating multi-cluster AKS in production environments, either multi-region or multi-tenant.
  • Proven experience building and architecting complex Kubernetes platforms from scratch.
  • Experience with Kubernetes platform engineering, including ingress and service mesh, OPA / Gatekeeper policy, secrets management, and progressive delivery.
  • Strong security awareness, displaying comfort with CAF / ALZ patterns, least-privilege IAM, network segmentation, and policy-as-code.
  • Experience working with regulated or financial services workloads on Azure.
  • FinOps instincts for managing AKS and networking costs effectively.

What We’ll Offer You In Return

  • The chance to join an organization with triple-digit growth that is changing the paradigm of how software products are built.
  • The opportunity to form part of an amazing, multicultural community of tech experts.
  • A highly competitive compensation package.

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Posted: May 23rd, 2026