Software Engineer II - SRE/DevOps

Our Purpose
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, 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
Software Engineer II - SRE/DevOps
Job Title: Software Engineer II - SRE / DevOps
Location: Dublin, Ireland
Department: Engineering
Reports To: Engineering Manager
About Mastercard
Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Through secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.
With operations in over 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.
Role Overview
We are seeking a Software Engineer II with a strong background in Site Reliability Engineering (SRE) or DevOps to join our high-performing team. This role bridges infrastructure and development, with a focus on system reliability, scalability, performance, and cost-efficiency.
You will lead and contribute to initiatives that enhance observability, automation, incident management, and FinOps practices. This is a hands-on engineering role with opportunities to influence infrastructure design, CI/CD pipeline development, and operational excellence.
Key Responsibilities
Design, implement, and maintain CI/CD pipelines and cloud infrastructure (AWS, EKS, EC2, PCF) using tools like Jenkins, GitHub Actions, and Terraform.
Build and maintain observability systems including monitoring, logging, tracing, and alerting.
Collaborate with engineering teams to improve operational health and accountability.
Manage build dependencies and generate artifacts using JFrog Artifactory, Chef Cookbooks, and Habitat.
Ensure operational readiness of new features and services through close collaboration with development teams.
Participate in incident management and postmortems to drive continuous reliability improvements.
Automate infrastructure provisioning and deployment workflows using Infrastructure-as-Code (IaC) tools.
Troubleshoot complex systems and contribute to internal tool development and integration.
Support the evolution of platform scalability, performance, and security.
Required Qualifications
1-3 years of experience in SRE, DevOps, or Production Engineering roles.
2+ years of experience in any programming language (e.g., Python, Go, Java).
Proficiency in cloud platforms (AWS, Azure, or GCP).
Experience with tracing tools (e.g., Dynatrace, Datadog).
Strong scripting and Linux administration skills.
Hands-on experience with CI/CD tools (GitHub Actions, Jenkins).
Familiarity with configuration management tools (Ansible, Chef, Puppet).
Experience with automated testing and security scanning pipelines.
Proven experience in incident response and root cause analysis.
Excellent communication and collaboration skills.
Ownership mindset with a proactive approach to problem-solving.
What We Offer
A collaborative and inclusive culture driven by Mastercard's Decency Quotient (DQ).
Opportunities to work on mission-critical infrastructure across global markets.
Continuous learning and development through guilds and special interest groups.
Competitive compensation and benefits aligned with your experience and impact.
Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• 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.