Lead Site Reliability Engineer: Automate & Scale

Mastercard; Malahide; On-site; EUR 110,000 - 160,000; Full time

Job summary

Mastercard is seeking a Lead Site Reliability Engineer to ensure the reliability, scalability, and performance of our applications that power Mastercard's global operations. You will play a critical role in production readiness and mentor teammates to improve operational excellence.

You will lead automation, capacity planning, and monitoring, partnering with engineering teams to build resilient, scalable services across environments.

Qualifications

• Strong experience in site reliability engineering and production readiness stewardship.
• Proficient in automation, monitoring, and incident response.
• Experience with cloud platforms (AWS/Azure/GCP) and CI/CD pipelines.

Responsibilities

• Be a developing subject matter expert in the SRE area influencing stakeholders.
• Implement and maintain high-availability system solutions ensuring stability and performance.
• Lead automation and scripting to streamline operations and incident response workflows.
• Troubleshoot and resolve complex system issues and drive proactive risk mitigation.
• Contribute to documentation and best practices to improve team processes.
• Guide and mentor junior teammates to grow expertise in reliability engineering.
• Perform reviews to uphold operational standards and support continuous improvement.

Skills

Observability

SRE

Programming

Systems admin

Cloud computing

DevOps

Troubleshooting

Capacity planning

ITSM

Monitoring

Job description

Mastercard is seeking a Lead Site Reliability Engineer to ensure the reliability, scalability, and performance of our applications that power Mastercard's global operations. You will play a critical role in production readiness and mentor teammates to improve operational excellence.

You will lead automation, capacity planning, and monitoring, partnering with engineering teams to build resilient, scalable services across environments.