Site Reliability Engineer II: Build Scalable Systems

Mastercard Inc.; O’Fallon (MO); On-site; USD 76,000 - 127,000; Full time

Benefits offered by this job

Insurance

401k match

Vacation time

HSA

Tuition reimbursement

Fitness facilities

Paid holidays

Bereavement leave

Personal days

Job summary

Mastercard is seeking a Site Reliability Engineer II to join the Business Operations team. You will ensure the reliability, scalability, and performance of our applications while mentoring teammates and driving operational excellence.

The role emphasizes production readiness, automation, capacity planning, monitoring, and blameless post‑mortems to improve customer experience across Mastercard's global services.

Qualifications

• Observability skills and ability to implement monitoring solutions.
• Experience with cloud platforms (AWS, Azure, GCP).
• Automation and scripting proficiency.

Responsibilities

• Maintain high-availability systems and operational stability.
• Automate and streamline routine operational tasks.
• Provide incident response and blameless post-mortems.

Skills

Observability

Scripting

System Admin

Cloud Computing

Reliability

DevOps

Troubleshooting

Capacity Planning

IT Service Mgmt

SRE Monitoring

Tools

Linux/Unix

Job description

Mastercard is seeking a Site Reliability Engineer II to join the Business Operations team. You will ensure the reliability, scalability, and performance of our applications while mentoring teammates and driving operational excellence.

The role emphasizes production readiness, automation, capacity planning, monitoring, and blameless post‑mortems to improve customer experience across Mastercard's global services.