SiteReliabilityEngineerII

**Our Purpose** _Mastercard powers economies and empowers people in 200 + countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential._ **Title and Summary** ### Site Reliability Engineer II ### As a Site Reliability Engineer (SRE) II, you will play a critical role in ensuring the reliability, availability, scalability, and performance of mission‑critical payment platforms within Mastercard’s Treasury Services and the broader TECH organization. You are expected to operate with strong technical ownership, engineering judgment, and accountability, contributing not only to operational excellence but also to system resilience, automation, and reliability engineering practices. Business Operations is driving Mastercard’s SRE transformation, embedding principles of reliability engineering, observability, automation, and reduced operational toil across the application lifecycle. In this role, you will champion SRE best practices, including SLIs/SLOs, error budgets, incident management, and reliability-driven development, while mentoring junior engineers and collaborating closely with product, platform, and engineering teams. Key Responsibilities Reliability & Service Ownership Own the end‑to‑end reliability and operational health of BizOps‑owned services across production and non‑production environments, ensuring adherence to defined SLIs, SLOs, and error budgets. Incident Management & Resilience Engineering Lead major incident response, including advanced triage, impact assessment, and driving blameless root cause analysis (RCA). Ensure systemic fixes via corrective and preventive actions to eliminat