Lead Site Reliability Engineer

Mastercard

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Quick summary

Work type: On-site
Location: O Fallon, MO
Salary: $122,000–$207,000 / yr
Posted: 1 day ago
Freshness: Confirmed live today
Nearby: 99+ roles within 25 mi

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $180k

This role $164k

$110k $238k

below market most similar roles pay here above market

This role pays less than 62% of similar roles. Most pay $144,375–$215,000 — the blue band above. At the midpoint, this role pays about $164k versus about $180k for comparable roles.

Based on 240 similar postings.

Employer

About Mastercard

Mastercard is a global technology company in the payments industry, processing transactions between financial institutions and merchants using its extensive network of credit, debit, and prepaid card products. Industry: Payments Technology & Financial Services

Mastercard currently has 150 open roles on FindRole.

Listed pay typically runs $122,000–$207,000 across 142 roles with salary data.

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View all roles at Mastercard

At a glance

TL;DR · Lead Site Reliability Engineer

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The Lead Site Reliability Engineer joins the Business Operations team to serve as a production readiness steward for Mastercard products. This role ensures platform stability and health by fostering developer run ownership and building resilient, scalable products. You will support developers during the application build phase by providing operational design, automation, capacity planning, and monitoring. Key responsibilities include performing root cause analysis, conducting blameless post-mortems, and managing risk mitigation across environments. You will utilize Java, Spring Framework, Python, and Go to support distributed systems and CI/CD pipelines. The position requires expertise in configuration management, observability, and ITSM practices to align product priorities with operational needs. You will mentor junior engineers while ensuring the reliability of essential services that power global operations.

Skills

Java Spring Framework Python Go Site Reliability Engineering DevOps CI/CD Distributed Systems Configuration Management Observability ITSM Root Cause Analysis Capacity Planning Automation

What you'll do

Ensure the reliability, scalability, and performance of Java and Spring Framework applications.
Design resilient infrastructure and automate alerts to maintain platform health.
Perform root cause analysis and conduct blameless post-mortems for production incidents.
Support developers during the application build phase with operational design and capacity planning.
Manage CI/CD pipelines and automation to reduce manual intervention in the service lifecycle.
Enforce operations standards and manage risk mitigation across all production environments.
Mentor and guide junior engineers in site reliability engineering best practices.
Provide continuous feedback to align product priorities with operational needs throughout the lifecycle.

What we're looking for

BS in Computer Science or related field.
Proficiency in Java, Spring Framework, Python, or Go.
Strong DevOps and configuration management skills.
Experience with distributed systems and automation.
Problem-solving, communication, and leadership abilities.
Passion for observability and continuous improvement.
Willingness to learn and collaborate across teams.

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