Lead Site Reliability Engineer (AI/ML)

MasterCard · Bray, County Wicklow

Lead Site Reliability Engineer (AI/ML) at MasterCard, based in Bray, County Wicklow. This is a permanent role.

Salary
Competitive
Location
Bray, County Wicklow
Contract
Permanent
Posted
6 hours ago
Closes
2 Nov 2026
Sector
DevOps Engineer

Reference 2997736773-2

About the role

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

Lead Site Reliability Engineer (AI/ML) As a Lead Site Reliability Engineer at Mastercard, you'll play a pivotal role focusing on the seamless deployment, operationalization, and continuous improvement of our AI/ML solutions. You'll be instrumental in translating AI models from development to production, ensuring they deliver tangible business value, operate efficiently, and meet key performance indicators.

Key Responsibilities
Lead the E2E deployment and operationalization of AI/ML models and solutions, ensuring they are scalable, reliable, and integrated seamlessly into existing business processes
Establish and maintain robust monitoring frameworks for deployed AI solutions. Proactively identify performance bottlenecks, data drifts, and other issues, and drive their resolution to ensure optimal business outcomes
Work closely with business stakeholders, AI Engineers, and product teams to understand business requirements, define success metrics for AI solutions, and ensure deployed models are directly contributing to key business objectives
Implement and champion MLOps best practices, automation strategies, and efficient workflows to streamline the deployment lifecycle of AI models, from experimentation to production
Collaborate with risk, compliance, and governance teams to ensure all AI deployments adhere to internal policies, regulatory requirements, and ethical AI principles
Lead the response to operational incidents related to deployed AI models, conducting root cause analysis and implementing preventative measures
Qualifications
Education: Bachelor's degree in Computer Science, Engineering, Data Science, Business, or a related field
Experience: Minimum of 8+ years of experience in AI/ML operations, MLOps, DevOps, or a related role with a strong focus on deploying and managing AI/ML solutions in production environments.
Technical Skills:
o Solid understanding of the AI/ML lifecycle, from data preparation and model training to deployment and monitoring.
o Experience with one of the cloud platforms and their AI/ML services
o Proficiency in Scripting and
o Familiarity with containerization technologies
o Knowledge of CI/CD pipelines for machine learning models.
o Experience with monitoring tools for AI/ML solutions
o Understanding of data governance, data quality, and data security principles relevant to AI/ML
Strong ability to understand business needs, translate them into technical requirements for AI solutions, and articulate the business value of AI deployments
Excellent communication, interpersonal, and stakeholder management skills
Ability to effectively bridge the gap between technical and business teams
Demonstrated ability to lead initiatives, drive cross-functional projects, and influence outcomes without direct authority
Strong understanding of operational processes and a passion for optimizing them

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.

Reference: 2997736773-2 · Posted 6 hours ago · Closes 2 Nov 2026 · Listed via MasterCard

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