Site Reliability Engineer II

Mastercard; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

Mastercard is seeking a Site Reliability Engineer II to join our Business Operations team. You will ensure the reliability, scalability, and performance of our applications powering Mastercard’s global operations. You will drive automation, develop observability, and mentor teammates to build resilient services.

You’ll work with developers and operations partners across our worldwide technology network. This role emphasizes proactive incident prevention, capacity planning, and adherence to ITSM

Qualifications

• Proven ability to implement observability with metrics, logs, and traces.
• Proficient in Python, Go, or Bash for automation and tooling.
• Experience managing Linux/Unix systems and networking.
• Hands-on cloud design, deployment, and security practices.

Responsibilities

• Work independently on elements within SRE area applying best practices.
• Support high-availability systems to ensure stability.
• Evaluate operational needs and develop technical solutions.
• Contribute to automation and scripting projects.
• Troubleshoot and resolve system issues; escalate complex problems.
• Document operational procedures and share knowledge.
• Participate in quality checks to ensure system stability.
• Use area processes to implement minor enhancements and lead small initiatives.

Skills

Observability

Scripting

Linux/Unix

Cloud Platforms

DevOps

Troubleshooting

Capacity Planning

IT Service Management

Monitoring

Performance Tuning

Tools

Python

Go

Bash

Job description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, 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

Who is Mastercard?
At Mastercard technology, we work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation, and delivers better business results.

Technology at Mastercard

What we create today will define tomorrow. Revolutionary technologies that reshape the digital economy to be more connected and inclusive than ever before. Safer, faster, more sustainable.

And we need the best people to do it. Technologists who are energized by the challenges of a truly global network. With the talent and vision to create the critical systems and products that power global commerce and connect people everywhere to the vital goods and services they need every day.

Working at Mastercard means being part of a unique culture. Inclusive and diverse, a rich collaboration of ideas and perspectives. A place that celebrates your strengths, values your experiences, and offers you the flexibility to shape a career across disciplines and continents. And the opportunity to work alongside experts and leaders at every level of the business, improving what exists, and inventing what’s next.

About the Role

The 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.

The role of the Business Operations Site Reliability Engineer is to be the production readiness steward for Mastercard products. As Business Operations SRE, we are responsible for ensuring that our platform is stable and healthy. We break down barriers to running our products by fostering developer run ownership and empowering developers to build resilient products. We support our developers during the application build phase in software run principles that include operational design, automation, capacity planning, and monitoring that leads to fault-tolerant, scalable products. We see the big picture and help create and enforce operations standards while facilitating an agile and learning culture.

We support daily operations with a hyper focus on triage, root cause by understanding the business impact of our products and subsequently performing blameless post-mortems. The goal of every Business Operations team is to engage early in the development lifecycle to be more proactive and upfront in the development process, and to proactively manage production and change activities to maximize customer experience and increase the overall value of supported applications.

Business Operations teams also focus on risk management by tying all our activities together with an overarching responsibility for compliance and risk mitigation across all our environments. Ultimately, the role of Business Operations is to align Product and Customer Focused priorities with Operational needs by providing continuous feedback throughout the lifecycle.

As part of the Business Operations team, you will:

• Work independently on elements of projects/processes within the Site Reliability Engineering area by applying intermediate/practical knowledge and area best practices to meet organizational standards of quality and excellence.
• Support the implementation and maintenance of high-availability systems to ensure operational stability.
• 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 shares knowledge with team members.
• Participate in quality checks and reviews to ensure system stability and reliability.
• Utilize experience and a comprehensive understanding of area processes and tools to make minor adjustments or enhancements to resolve identifiable issues. May manage smaller project/initiatives as an experienced individual contributor with specialized knowledge within the Site Reliability Engineering area.

Role qualifications:

• Observability - Ability to use scripting and tooling to implement observability solutions, enabling the collection, analysis, and visualization of metrics, logs, and traces to support incident detection, diagnosis, and continuous service improvement.
• Programming and Scripting - Ability to write and maintain code and scripts to automate tasks, build operational tools, and support monitoring, deployment, and incident response using languages such as Python, Go, Bash, or similar.
• Systems and Network Administration - Ability to configure, operate, and troubleshoot Linux/Unix systems and network components, applying knowledge of networking concepts, protocols, security, and system reliability.
• Cloud Computing and Infrastructure - Ability to design, deploy, and manage applications and infrastructure on cloud platforms (e.g., AWS, Azure, GCP), ensuring scalability, security, availability, and operational efficiency.
• Reliability and Scalability - Ability to design and operate systems for high availability, fault tolerance, and disaster recovery, while ensuring systems can scale to meet current and future demand
• DevOps Practices - Ability to apply DevOps principles and practices, including CI/CD pipelines, containerization, and orchestration, to enable faster, more reliable software delivery and operations.
• Troubleshooting - Capability to systematically identify, diagnose, and resolve technical issues across systems, applications, and networks, using analytical methods and tools to restore functionality, minimize disruption, and ensure stable operations.
• Capacity Planning and Performance Optimization - Ability to monitor resource utilization, forecast future capacity needs, and optimize system performance to support growth, scalability, and efficient infrastructure usage.
• IT Service Management - Ability to apply IT service management principles to incident, problem, and change management, ensuring reliable service delivery, effective incident response, and continuous service improvement aligned to business needs.
• Proactive Monitoring and Improvement (SRE Applications) - The ability to use application reliability signals to anticipate issues, identify risks, and drive preventative improvements that enhance application performance and availability.

Corporate Security Responsibility

• 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.