Senior Site Reliability Engineer

Mastercard is seeking a Senior Site Reliability Engineer to enhance reliability, scalability, and performance of our critical IT & Data Management platforms. You will design resilient architectures, automate deployments, and champion observability to ensure always-on services. Collaborating with cross-functional teams, you'll identify and resolve production issues, implement robust incident management, and drive SRE best practices. This role offers the opportunity to work with cutting-edge cloud and container technologies in a culture that values innovation, collaboration, and continuous growth.

Responsibilities

• Design and maintain highly available, scalable, and secure cloud infrastructure for Mastercard's IT & Data Management platforms.
• Build and improve automation for deployments, configuration management, and infrastructure provisioning.
• Implement and refine monitoring, logging, and alerting to ensure service reliability and rapid incident detection.
• Lead and participate in incident response, root cause analysis, and post-incident reviews to drive continuous improvement.
• Partner with development and data teams to embed SRE best practices, including SLIs/SLOs and capacity planning.
• Optimize system performance and cost efficiency across distributed, cloud-native environments.
• Develop tools and scripts to reduce toil and improve operational excellence.
• Contribute to security, compliance, and governance standards within production environments.

Required Skills

• Site Reliability Engineering (SRE)
• Cloud platforms (AWS, Azure, or GCP)
• Kubernetes and containerization (Docker)
• Infrastructure as Code (Terraform/Cloud
• Formation)
• CI/CD pipelines (Jenkins, Git
• Hub Actions, Git
• Lab CI)
• Linux systems administration
• Monitoring and observability (Prometheus, Grafana, Datadog, New Relic)
• Scripting/programming (Python, Go, Bash)
• Distributed systems and microservices
• Incident management and on-call operations