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Senior Site Reliability Engineer
Mastercard
O'Fallon, MissouriPosted Oct 22, 2026 · 5h ago$96K – $163K
Full-time$96K – $163KSenior levelFintech
About this role
Mastercard is seeking a Senior Site Reliability Engineer to drive DevOps transformation and automation. You will be instrumental in solving complex problems, building robust CI/CD pipelines, and ensuring the reliability and performance of our critical transaction systems. If you are passionate about automation and have a knack for improving system resilience, this role offers a unique opportunity to shape the future of our operations.
What we are looking for
6- Design, build, and maintain CI/CD pipelines and automation tools
- Ensure system availability, capacity, performance, and monitoring
- Partner with development teams to improve service reliability and velocity
- Lead DevOps automation and best practices across the organization
- Troubleshoot and resolve production issues with a focus on root cause analysis
- Experience with Chef, Jenkins, and Git for automation and pipeline management
Skills mentioned
4PythonC++JavaCI/CD
