Site Reliability Engineer II
Mastercard
Posted: May 20, 2026
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Quick Summary
We are looking for a highly skilled Site Reliability Engineer to join our team and work on ensuring the reliability of our system. As a Site Reliability Engineer II, you will be responsible for designing, implementing, and maintaining the infrastructure and services that support our customers' digital payments and transactions. You will work closely with cross-functional teams to ensure that our systems are highly available and performant.
Required Skills
Job Description
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
Overview
The Enterprise Monitoring team is looking for a Reliability Engineer II to drive our Application Performance Monitoring and Digital Experience Monitoring strategy forward, by consistently innovating and problem-solving. The ideal candidate is passionate about Site Reliability Engineering, highly motivated, intellectually curious, analytical, and able to maintain a dual focus on strategic projects and real-time operational needs.
Role
In this position, you will:
• Provide day-to-day usage and configuration support for monitoring tools for internal customers
• Create and update detailed technical documentation
• Partner closely with technical leads and other engineers as needed
• Discuss specific needs with internal customers and management
All About You
The ideal candidate for this position will have:
• Experience with one or more application performance management tools such as Dynatrace, AppDynamics, Datadog, etc.
• Specific familiarity with Dynatrace strongly preferred
• Ability to confidently navigate a Linux environment
• Ability to use and revise basic automation scripts in a language like Python, Perl or bash
• Ability to participate in an on-call rotation for off hours emergency support
• Familiarity with foundational distributed application concepts
• Familiarity with synthetic end-user monitoring of web application availability and performance, using tools like Dynatrace, Datadog, New Relic, Pingdom, etc.
• Familiarity with container orchestration systems like Kubernetes (K8s) and public cloud platforms like Amazon Web Services (AWS) and Microsoft Azure
• Strong communication skills to explain technical concepts clearly and succinctly
• Time management skills to balance a workload consisting of both new build work and day-to-day operational maintenance
Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
• 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, and
• Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.