Site Reliability Engineer II

Title

Site Reliability Engineer II

The Payment Network Business Operations team is seeking a highly motivated and experienced Site Reliability Engineer II (SRE) to join our team. You will play a critical role in ensuring the reliability, scalability, and performance of our applications, supporting essential services that power Mastercard's global operations. As a thought leader in your field, you will bring technical expertise, a passion for automation, and the ability to mentor.

• Serve as the production readiness steward for Mastercard products, ensuring platform stability and health.
• Support high‑availability systems and maintain operational stability.
• Apply operational design, automation, capacity planning, and monitoring to create fault‑tolerant, scalable products.
• Collaborate with developers to foster ownership and guide them through the application build phase.
• Provide rapid triage, root‑cause analysis, and blameless post‑mortems for issues.
• Engage early in the development lifecycle to be proactive and manage production and change activities.
• Drive risk management and compliance across all environments.
• Provide continuous feedback across the product lifecycle to align operational needs with product priorities.
• Assist in evaluating operational needs and developing technical solutions under guidance.
• Contribute to automation and scripting projects to streamline routine operational tasks.
• Troubleshoot and resolve basic to moderate system issues, escalating more complex problems as needed.
• Document operational procedures and share knowledge with team members.
• Participate in quality checks and reviews to ensure system stability and reliability.
• Manage smaller projects or initiatives as an experienced individual contributor.

• Observability: Implement solutions enabling collection, analysis, and visualization of metrics, logs, and traces for incident detection and continuous improvement.
• Programming and Scripting: Write and maintain code and scripts in Python, Go, Bash, or similar to automate tasks, build tools, and support monitoring, deployment, and incident response.
• Systems and Network Administration: Configure, operate, and troubleshoot Linux/Unix systems and network components respecting networking concepts, protocols, security, and reliability.
• Cloud Computing and Infrastructure: Design, deploy, and manage applications and infrastructure on AWS, Azure, or GCP ensuring scalability, availability, and operational efficiency.
• Reliability and Scalability: Design and operate systems for high availability, fault tolerance, disaster recovery, and scalable performance.
• Dev Ops Practices: Apply CI/CD pipelines, containerization, orchestration, and other Dev Ops principles to enable faster, more reliable software delivery and operations.
• Troubleshooting: Systematically identify, diagnose, and resolve technical issues across systems, applications, and networks using analytic methods and tools.
• Capacity Planning and Performance Optimization: Monitor resource utilization, forecast capacity needs, and optimize system performance for growth and efficiency.
• IT Service Management: Apply ITSM principles for incident, problem, and change management to deliver reliable services and continual improvement.
• Proactive Monitoring and Improvement (SRE Applications): Use reliability signals to anticipate issues, identify risks, and drive preventative improvements.

• Strong knowledge of ITSM practices, observability, and monitoring using Splunk and Dynatrace.
• Experience operating and supporting applications on PCF and AWS platforms.
• Proven ability to implement CI/CD pipelines using Jenkins, Bitbucket, and XLR for automated build and release management.

• Abide by Mastercard’s security policies and practices.
• Ensure the confidentiality and integrity of the information being accessed.
• Report any suspected information security violation or breach.
• Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

Mastercard is a merit‑based, inclusive, equal opportunity employer that considers applicants…