Lead Site Reliability Engineer - Production Readiness

Mastercard; Howth; On-site; EUR 120,000 - 170,000; Full time

Job summary

Mastercard is seeking a Lead Site Reliability Engineer to join the Business Operations team in Ireland. You will ensure reliability, scalability, and performance of critical applications, mentor teammates, and drive automation across platforms.

You will be instrumental in shaping production readiness, implementing high-availability designs, and fostering a culture of proactive improvement through observability and robust incident management.

Qualifications

• Experience as a Site Reliability Engineer in scale-out environments.
• Strong automation, scripting, and incident response skills.
• Proficiency with cloud platforms (AWS, Azure, GCP).
• Ability to mentor and lead others.
• Observability and monitoring expertise.

Responsibilities

• Be a developing subject matter expert in the Site Reliability Engineering area, influencing stakeholders and applying advanced knowledge to drive area goals.
• Implement and maintain high-availability system solutions, ensuring stability, performance and continuity.
• Evaluate operational requirements to develop effective technical solutions within existing frameworks.
• Lead automation and scripting efforts to streamline operations and incident response workflows.
• Troubleshoot and resolve complex system issues and address risks proactively.
• Contribute to documentation and best practices to improve team procedures.
• Guide and mentor junior team members to grow expertise in the discipline.

Skills

Observability

Programming and Scripting

Systems and Network Administration

Cloud Computing

Reliability and Scalability

DevOps Practices

Troubleshooting

Capacity Planning

IT Service Management

Proactive Monitoring

Job description

Mastercard is seeking a Lead Site Reliability Engineer to join the Business Operations team in Ireland. You will ensure reliability, scalability, and performance of critical applications, mentor teammates, and drive automation across platforms.

You will be instrumental in shaping production readiness, implementing high-availability designs, and fostering a culture of proactive improvement through observability and robust incident management.