- Dublin, Leinster, Ireland
Lead AI Engineer
Responsibilities
- Contribute to the design and build of the components of Mastercard's enterprise MCP deployment, such as the security gateway, the MCP registry that governs what exists and who owns it, and reference server implementations that teams build from. Take these from design through to running production services.
- Implement the identity, authentication and authorization patterns for MCP across the estate, working with the team's senior engineers and central security and identity teams so that agents, tools and data are accessed securely and are auditable end to end.
- Help set and apply the standard for internal and external MCP servers — how tools and data are exposed, discovered and versioned, and the inspection, data-protection, rate-limiting and kill-switch controls the gateway must enforce.
- Build and operate open weight model serving — stand up and scale self-hosted inference, package models for deployment, and help enable switching workloads across models and providers for cost, flexibility and resilience.
- Build the evaluation and testing tooling that benchmarks candidate open weight models for quality, cost, latency and safety, and produces the reproducible evidence that governance and security reviews need.