Lead Platform Engineer

With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors.Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth.

• →Lead and mentor a team of platform/automation engineers
• →Define and drive the platform engineering roadmap aligned with organisational goals
• →Collaborate with stakeholders (engineering, security, DevOps, leadership) to deliver scalable solutions
• →Establish best practices for GitOps, CI/CD, and platform governance

• Own and manage GitHub Enterprise (Cloud/Server) at scale
• Design and implement org/repo structures aligned to business verticals
• Define and enforce RBAC models (teams, roles, permissions, CODEOWNERS)
• Standardise repository templates, workflows, and policies
• Implement security controls (branch protections, secret scanning, Dependabot, audit compliance)
• Automate onboarding/offboarding of teams and repositories
• Provide developer enablement and support across GHE ecosystem

• Build and operate an Internal Developer Platform (IDP) to enable self-service capabilities
• Design reusable CI/CD pipelines (GitHub Actions / Azure DevOps)
• Drive infrastructure as code (Terraform) and GitOps practices
• Automate platform workflows including provisioning, deployments, and compliance
• Integrate tools across ecosystem (Kubernetes, cloud, identity, secrets management)

• Contribute to platform tooling using PowerShell, Python, Go, or similar
• Build automation solutions leveraging APIs and event-driven workflows
• Explore and implement AI-driven automation (e.g., incident analysis, developer assistance, chatops)
• Improve developer experience through intelligent tooling and integration

• Strong experience in Platform Engineering / DevOps / SRE roles
• Hands-on expertise with GitHub Enterprise administration
• Deep understanding of:
• Git, GitHub workflows, Actions
• RBAC and organisational structures
• Experience with:
• Terraform / Infrastructure as Code
• Kubernetes (AKS, Rancher, or similar)
• CI/CD design and implementation
• Strong scripting/programming skills (PowerShell, Python, or Go)
• Experience leading or mentoring engineers (team lead or senior role)
• Strong problem-solving and system design skills

• Experience building or operating an Internal Developer Platform (IDP)
• Familiarity with GitOps (Argo CD, Kustomize, Helm)
• Exposure to AI/ML or intelligent automation use cases
• Experience with enterprise-scale governance and compliance (SOX, audit, controls)
• Knowledge of cloud platforms (Azure preferred)

• Hybrid role, 4 days in-office.

#LI-Hybrid #LI-MA1