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Mastercard Logo Mastercard · IT - Software Development

Principal Software Engineer

United Kingdom, London · Job Posted May 29, 2026
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Job Description

Join Mastercard's Operations Automation Program as a Principal Engineer for our DevOps team that powers infrastructure automation across on-prem data centers and the cloud using Terraform, Chef, Ansible and other exciting tools.

Job Responsibility

  • Automate, provision and manage public and on-prem cloud infrastructure, including containerized and virtualized systems
  • Plan, 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 in cross-functional teams to automate deployments, troubleshoot complex issues, and support new product initiatives
  • Champion Infrastructure as Code principles using tools like Terraform Enterprise, Ansible and Chef
  • 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
  • Hands-on coding of automation efforts in Go Lang
  • Partner with stakeholders to align DevOps initiatives with business objectives, including uptime, deployment velocity, and cost efficiency

Requirements

  • 10+ 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 cloud environments either AWS, Azure or GCP
  • Proven experience with container orchestration and tooling (Kubernetes, Helm, Docker Compose)
  • Hands-on experience with Terraform Enterprise, Ansbile and Chef
  • Strong understanding of CI/CD pipelines (GitHub Actions, Jenkins etc.)
  • Proficient in scripting and programming (Bash, GoLang Python, Ruby )
  • Experience with monitoring and observability platforms (Prometheus, Grafana, Splunk, Dynatrace)
  • Excellent communication skills and the ability to work effectively with Product, Developers and Operations teams
  • Demonstrated ownership mindset, prioritization skills, and ability to thrive in a fast-paced, multi-tasking environment
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