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Mastercard

Processes payments across a global network

Lead Site Reliability Engineer

Site Reliability EngineeringConfirmed live in the last 24 hours
Full-timeO'Fallon, MO, USAIn-person

About the Job

Requirements

  • A Bachelor of Science degree in Computer Science or a related field.
  • Proficiency in Java, Spring Framework, Python, or Go.
  • Strong DevOps and configuration management skills.
  • Experience with distributed systems and automation.
  • Problem-solving, communication, and leadership abilities.
  • Passion for observability and continuous improvement.
  • Willingness to learn and collaborate across teams.
  • Abide by Mastercard's security policies and practices.
  • Ensure the confidentiality and integrity of accessed information.
  • Report any suspected information security violation or breach.
  • Complete periodic mandatory security training in accordance with Mastercard guidelines.

Responsibilities

  • Ensure application health, performance, and capacity, and support pre-launch activities as an Operational Readiness Architect.
  • Design resilient infrastructure, perform root cause analysis, and automate alerts as part of Site Reliability Engineering.
  • Improve the service lifecycle, support CI/CD pipelines, and reduce manual intervention through DevOps and automation.
  • Analyze platform activities and provide feedback to development teams using ITSM practices.
  • Ensure the reliability, scalability, and performance of Java and Spring Framework applications supporting Mastercard's global operations.
  • Support developers during the application build phase with operational design, automation, capacity planning, and monitoring to build fault-tolerant, scalable products.
  • Help create and enforce operations standards while facilitating an agile and learning culture.
  • Triage daily operational issues, determine root causes and business impact, and conduct blameless post-mortems.
  • Engage early in the development lifecycle and proactively manage production and change activities to maximize customer experience and increase the value of supported applications.
  • Manage risk by supporting compliance and risk mitigation across environments.
  • Provide continuous feedback throughout the lifecycle to align product and customer priorities with operational needs.

About the Company

Mastercard

Processes payments across a global network

Mastercard operates a global payment network connecting financial institutions, merchants, businesses and consumers. It authorizes, clears and settles transactions between participating institutions, while banks issue Mastercard-branded cards and extend credit to their customers. Its services also include fraud detection, identity verification, payment tokenization, data analysis and consulting for organizations managing commerce and financial operations. The company earns network fees linked to payment volumes and processed transactions, along with fees for its services and solutions. Founded by a group of banks in 1966, Mastercard is headquartered in Purchase, within Harrison, New York.

Company size
10,001+
Company stage
IPO
Headquarters
Town of Harrison, New York
Founded
1966

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