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Principal Software Engineer

Software Engineer • Principal • On-site • Full-time United Kingdom London, United Kingdom

Job Title:

Principal Software Engineer

Overview:

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.
Role
In this role you will enable automation, deployment and management of critical high-volume infrastructure 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 enterprise tools and technologies.
This is a unique opportunity to shape the future of Mastercard’s infrastructure automation —advancing innovative, high‑performance solutions and driving engineering and operational excellence across the organization.
• 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.
All About You
• 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.

To find US Salary Ranges, visit People Place. Under the Compensation tab, select "Salary Structures." Within the text of "Salary Structures," click on the link "salary structures 2025," through which you will be able to access the salary ranges for each Mastercard job family. For more information regarding US benefits, visit People Place and review the Benefits tab and the Time Off & Leave tab.

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