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Senior Platform Engineer - Linux

Mastercard

Dublin, Ireland permanent

Posted: May 12, 2026

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Quick Summary

We're looking for a Senior Platform Engineer with expertise in Linux systems administration to join our Dublin team.

Job Description

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

Senior Platform Engineer - Linux

Overview:

Linux Systems Administrator, Platform Support to provide support of technical hardware and software expertise in support of MasterCard Linux Operating systems and platforms. This is a senior-level IT support position, with the expectation that the candidate has the advance Linux skills and knowledge with the ability to learn proprietary systems fast. Assist peer Linux architects & operational resources with day-to-day IT support functions and maintenance activities.

Role:

• Support and maintain operating system(s), such as Oracle Linux along with VMware to service customers.
• Complete status reports, implementations, troubleshooting of systems
• Use configuration management and infrastructure automation for repeatable tasks
• Design and implementation of OS build processes and automation providing the right level of control and validation
• Assist users with Operating Systems or hardware problems.

All About You:

Education:
• Bachelor’s or relevant associate degree with emphasis on information technologies or the equivalent job-related experience.

Knowledge / Experience:
• 5+ year of experience in systems administration
• Knowledge of operating systems, infrastructure software, communications, computer hardware and peripherals.
• Good knowledge and understanding of computer technology, incident management and problem resolution procedures is preferred.
• An understanding of project management principles is preferred.

Skills/ Abilities:
• Professionalism skills and good work ethics are required.
• Linux troubleshooting knowledge (RHEL).
• Basic network troubleshooting required.

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.

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