Manager, Site Reliability Engineering

  • Mastercard
  • O Fallon, Missouri
  • 08/22/2026
Full time Information Technology Telecommunications Python Software Engineer

Job Description

Mastercard seeks a Manager, Site Reliability Engineering to lead a team ensuring secure, scalable, and highly available platforms. You will design and implement SRE best practices, build automation for deployment and operations, and drive observability across complex cloud-native systems. Partner with development and security teams to improve reliability, performance, and incident response. You'll mentor engineers, champion continuous improvement, and help shape a culture of innovation, collaboration, and learning while working with cutting-edge technologies in a global environment.

Responsibilities

  • Lead and mentor an SRE team supporting mission-critical platforms
  • Define and implement SRE best practices for reliability, scalability, and security
  • Design automation for deployments, configuration, and operations
  • Establish and improve monitoring, logging, and alerting for cloud-native systems
  • Drive incident management, root-cause analysis, and post-incident reviews
  • Collaborate with software engineering and security teams to improve system design
  • Optimize performance and capacity planning across services
  • Promote continuous improvement and a learning culture within the team

Required Skills

  • Site Reliability Engineering (SRE)
  • Cloud platforms (AWS/Azure/GCP)
  • Kubernetes & container orchestration
  • Linux systems administration
  • CI/CD pipelines
  • Infrastructure as Code (Terraform/Cloud
  • Formation)
  • Monitoring & observability (Prometheus/Grafana/New Relic)
  • Incident management & on-call operations
  • Performance tuning & capacity planning
  • Scripting (Python/Bash)