Principal Platform Engineer

About the role

ISS STOXX is seeking a Principal Platform Engineer to join its global Platform Engineering function, which covers cloud platforms, engineering capabilities and operational foundations supporting products and services worldwide. Working across GCP and AWS, the role extends and matures the multi-cloud platform strategy, including AWS landing zone capabilities aligned with GCP standards, and helps enable the organisation's AI transformation.

Key responsibilities

• Shape the architecture, evolution and operational excellence of the global cloud platforms across GCP and AWS, keeping them secure, scalable and resilient.
• Design, build and mature AWS landing zone capabilities aligned with GCP standards, governance, automation, security controls and developer experience.
• Develop platform services, self-service capabilities, CI/CD tooling, observability solutions and automation frameworks.
• Build the platform capabilities, tooling, patterns and guardrails needed to support AI-powered applications and agentic workflows at enterprise scale.
• Act as technical authority during critical incidents and guide resolution of high-impact technical problems.
• Evaluate emerging technologies, run proof-of-concepts and turn them into reusable platform capabilities.
• Partner with engineering, architecture, security and product teams to set technical direction and standards.
• Drive continuous improvement in reliability, observability, automation, security, cost and developer experience, and mentor engineers.

Required profile

• At least 10 years' experience in platform or cloud engineering, with large-scale enterprise platforms.
• Experience designing cloud landing zones, platform governance and self-service developer platforms.
• Experience with CI/CD, automation and proof-of-concept work, and enabling AI and data-driven workloads on cloud platforms.
• Experience mentoring engineers and working in global, distributed organisations.
• Willingness to take part in out-of-hours support and major incident escalation.

Required skills

• Cloud-native platforms on GCP and/or AWS, including containers, Kubernetes, serverless, APIs, networking, security and identity.
• Infrastructure as Code with master-level Terraform.
• CI/CD, automation and tooling such as GitHub Actions, Apigee and Airflow.
• Observability platforms such as Datadog, Prometheus, Grafana, ELK or Splunk.
• Python and automation skills.