Role OverviewThe Real Time Payments International team is looking for a Site Reliability Engineer (SRE) to drive application deployment readiness, manage day-to-day operational stability and support the reliability of critical payment platforms by implementing automation, leverage best practices and work with a high‑impact team responsible for driving production readiness, reliability, and DevOps automation across Mastercard platforms.This role plays a key part in incident management, change readiness, and platform operations, while contributing to continuous improvement initiatives.Key ResponsibilitiesPlatform Operations & StabilitySupport end-to-end availability, monitoring, and performance of critical payment platforms.Execute operational processes to ensure platform health and stability.Participate in capacity checks, readiness validations, and environment monitoring.Incident Management & ExecutionActively manage and coordinate incident triage and resolution.Serve as incident commander driving medium to high-severity incidents.Ensure timely updates, accurate impact assessment,



and appropriate escalation.Contribute to root cause analysis with clear identification of actions and ownership.Change & Release SupportParticipate in highlighting gaps and defining test cases required for a change in lower environments and validate lower environment test completeness.Ensure adherence to change governance processes (test case reviews, checklists, approvals, rollback readiness).Engage in creating change plans and support execution of production changes, deployments, and validations.Technical TroubleshootingPerform hands-on troubleshooting across:Application behaviour and dependencies.Infrastructure components (compute, network, storage).Database and performance issues.Collaborate with engineering, infrastructure and other technical teams to isolate and resolve issues efficiently.Monitoring & ObservabilityImprove system health monitoring using observability tools and alerts.

📌 Technical Lead (Villa de Almoloya de Juárez)
🏢 HCL Technologies
📍 Villa de Almoloya de Juárez