Sign in
Post Jobs

Principal DevOps Engineer – Decision Management Platform

  • Ashbourne
  • Competitive salary GBP / Year
  • Salary: Competitive salary

Appcast Enterprise

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

Principal DevOps Engineer – Decision Management Platform Overview

Join Mastercard’s Services Technology organization as a DevOps Principal Engineer for the Decision Management Program (DMP)—a patented, real-time decisioning platform that powers fraud prevention, risk scoring, and identity verification across the global payments network. The platform processes billions of transactions each month, consistently delivering results in milliseconds to support mission critical business solutions.

Role

In this role you will design systems to enable deployment and management of critical high-volume, low-latency financial systems into public and private cloud environments. You will work with global engineering teams to drive DevOps initiatives across the platform utilizing a highly scalable architecture leveraging In-Memory data grids and real time processing technologies.

This is a unique opportunity to shape the future of Mastercard’s decisioning ecosystem—advancing innovative, high-performance solutions and driving engineering and operational excellence across a critical real-time platform

• Architect, provision, and manage public and on-prem cloud infrastructure, including containerized and virtualized systems
• Design, build, and optimize CI/CD pipelines to enable fast, safe, and repeatable delivery of complex distributed systems across a global network of data centres.
• Collaborate cross-functionally with R&D teams to design scalable systems, troubleshoot complex issues, and support new product initiatives.
• Champion Infrastructure as Code principles using tools like Terraform and CloudFormation.
• Drive observability and reliability through monitoring, logging, and alerting systems (Prometheus, Grafana, Druid, Splunk etc.).
• Foster innovation and continuous improvement, adopting new tools and practices to increase efficiency, scalability, and cost optimization.
• Contribute to hands-on coding and automation efforts when needed — lead by example.
• Partner with stakeholders to align DevOps initiatives with business objectives, including uptime, deployment velocity, and cost efficiency.

All About You

• 8+ years of experience in Software Engineering and DevOps roles, including at least 2 years in a technical leadership capacity.
• Strong Linux systems administration background
• Deep familiarity with AWS cloud environments.
• Proven experience with container orchestration and tooling (Kubernetes, Helm, Docker Compose).
• Hands-on experience with infrastructure-as-code (Terraform, CloudFormation).
• Strong understanding of CI/CD pipelines (GitHub Actions, Jenkins, XLR etc.).
• Proficient in scripting and programming (Bash, Python, Java).
• Experience with monitoring and observability platforms (Prometheus, Grafana, Druid, Splunk, Loki).
• Excellent communication skills and the ability to work effectively with Developers, QE, Operations and support teams.
• Experience with FinOps or cost optimization in cloud environments
• Demonstrated ownership mindset, prioritization skills, and ability to thrive in a fast-paced, multi-tasking environment.

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.

To apply for this job please visit www.reed.co.uk.

TavaJobs Application Help

Make this application stronger

Use these quick checks before applying so your CV, interview preparation and job search are better matched to this vacancy.

Before you apply

Check the key details and make sure the role matches what you are looking for.

  • Review the job title, company, location, salary and working pattern if provided.
  • Check the skills, experience or qualifications requested by the employer.
  • Make sure the commute, hours and contract type are realistic for you.
CV

Tailor your CV

For IT Jobs, highlight the most relevant skills, experience and achievements linked to this type of work. Keep it honest, clear and focused on what the employer is asking for.

Use the CV Builder or browse Career Advice.

?

Prepare for interview

If your application is successful, prepare simple examples that show your motivation, strengths and suitability.

🔔

Keep searching smarter

Do not rely on one application. Keep searching similar roles and set up alerts so new vacancies reach you faster.

Set up job alerts or search more jobs.

Important vacancy note: Some vacancies on TavaJobs are supplied by third-party job sources. When you apply, you may be redirected to the employer, recruiter or original job board website. Always check the final job details, salary, location and application instructions before applying.
Share on
Print

Similar & Nearby Jobs

Other roles in a similar category or nearby area.

Still looking? Search all live jobs and filter by keyword, location, category or salary.

Search All Jobs