Lead SRE: Automation, Reliability & Scale

Mastercard; Tallaght; On-site; EUR 90,000 - 120,000; Full time

Job summary

Mastercard is seeking a Lead Site Reliability Engineer in Ireland to ensure reliability, scalability, and performance of core applications. You will drive automation, implement high-availability systems, and mentor junior engineers within the Business Operations team.

As a production readiness steward, you will partner with product and infra teams to design resilient services, lead incident response, and enforce operational standards across the lifecycle.

Qualifications

• Observability and monitoring across services with dashboards and logs.
• Ability to write and maintain automation scripts for operational tasks.
• Experience with cloud platforms and scalable architectures.

Responsibilities

• Implement and maintain high-availability system solutions.
• Lead automation and scripting to streamline operations.
• Troubleshoot and resolve complex system issues.
• Mentor junior engineers and share best practices.
• Contribute to documentation and incident post-mortems.
• Collaborate with product and engineering teams to improve reliability.

Skills

Observability

Programming & Scripting

Systems administration

Cloud computing

Reliability & scalability

DevOps practices

Troubleshooting

Capacity planning

IT service management

SRE applications

Tools

Python

Go

Bash

AWS

Azure

GCP

Job description

Mastercard is seeking a Lead Site Reliability Engineer in Ireland to ensure reliability, scalability, and performance of core applications. You will drive automation, implement high-availability systems, and mentor junior engineers within the Business Operations team.

As a production readiness steward, you will partner with product and infra teams to design resilient services, lead incident response, and enforce operational standards across the lifecycle.