Senior DevOps Engineer – Real-Time Decision Platform

Mastercard; Donabate; On-site; EUR 120,000 - 170,000; Full time

Job summary

Mastercard’s Services Technology organization seeks a Principal DevOps Engineer for the Decision Management Platform (DMP), a real-time decisioning system powering fraud prevention, risk scoring, and identity verification across the payments network. You will design scalable, high-volume, low-latency infrastructure for public and private clouds, guiding global teams and advancing operational excellence.

Responsibilities include building robust CI/CD pipelines, embracing Infrastructure as Code,

Qualifications

• 8+ years of software engineering and DevOps experience.
• 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).
• Proficient in scripting and programming (Bash, Python, Java).
• Experience with monitoring and observability platforms (Prometheus, Grafana, Druid, Splunk, Loki).
• Excellent communication skills and cross-functional collaboration.
• Experience with FinOps or cost optimization in cloud environments.

Responsibilities

• 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.

Skills

Linux administration

AWS

CI/CD

Scripting

Observability

Leadership

Communication

FinOps

Tools

Kubernetes

Helm

Docker Compose

Prometheus

Grafana

Splunk

Loki

Terraform

CloudFormation

GitHub Actions

Jenkins

XLR

Job description

Mastercard’s Services Technology organization seeks a Principal DevOps Engineer for the Decision Management Platform (DMP), a real-time decisioning system powering fraud prevention, risk scoring, and identity verification across the payments network. You will design scalable, high-volume, low-latency infrastructure for public and private clouds, guiding global teams and advancing operational excellence.

Responsibilities include building robust CI/CD pipelines, embracing Infrastructure as Code,