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Site Reliability Engineer

Mastercard

Salary not specified
Aug 31, 2025
O'Fallon, MO, USA • White Plains, NY, USA
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Mastercard is seeking an experienced Cloud Engineer to manage and optimize large-scale AWS and Azure cloud platforms, ensuring robust, secure, and efficient operations. The role aims to automate daily activities, support deployment pipelines, and develop observability for the cloud platforms.

Requirements

  • Expert-level knowledge of cloud concepts (IaaS, PaaS, SaaS) and architectures.
  • Advanced DevOps skills, including automation, scripting (Python, Bash, PowerShell), and containerization (Docker, Kubernetes).
  • Deep understanding of cloud networking (VPCs, subnets, firewalls, DNS, load balancing).
  • Hands-on experience with Kubernetes troubleshooting, deployments, and cluster management.
  • Demonstrated expertise in building and managing CI/CD pipelines using Azure DevOps or similar tools.
  • Strong background in cloud security principles and tools, including IAM, encryption, and compliance frameworks.
  • Extensive experience with monitoring and observability tools like Splunk and Dynatrace.

Responsibilities

  • Design, deploy, and manage highly available, scalable, and secure AWS and Azure cloud environments.
  • Optimize cloud infrastructure for performance, cost, and reliability.
  • Implement and manage Infrastructure as Code (IaC) using AWS CloudFormation and Azure Resource Manager (ARM) templates.
  • Develop and maintain advanced CI/CD pipelines using Azure DevOps and other industry-standard tools.
  • Automate deployment, scaling, and management of containerized applications using Kubernetes.
  • Troubleshoot and resolve complex Kubernetes issues, ensuring high availability and performance.
  • Implement and enforce cloud security best practices, including identity and access management (IAM), encryption, and network security.

Other

  • Collaborate with cross-functional teams, including developers, security, and compliance, to align cloud operations with business goals.
  • Mentor junior engineers and provide technical guidance on cloud best practices.
  • Stay updated with emerging cloud technologies and recommend improvements to existing systems.
  • Excellent problem-solving and analytical skills.
  • Strong communication and collaboration abilities.