Lead Site Reliability Engineer

Mastercard is seeking a Lead Site Reliability Engineer to drive reliability, scalability, and security for mission-critical financial services platforms. You will design and optimize cloud-native, highly available systems, implement SRE best practices, and lead incident response and postmortems. Partnering with IT and Cybersecurity teams, you'll automate deployments, observability, and resilience testing while mentoring engineers. Ideal candidates bring deep experience with cloud, CI/CD, infrastructure-as-code, and securing large-scale, distributed systems in a regulated environment.