Senior Reliability Engineer

Mastercard

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Location
O Fallon

Job Description

Job Overview

Mastercard is seeking a Senior Reliability Engineer to join their BizOps team. This role focuses on solving problems, building CI/CD pipelines, and leading DevOps automation and best practices. The ideal candidate will work across development, operations, and product teams to enhance production readiness and improve system reliability through proactive management and automation.

Technical Requirements

Required Skills
  • • problem-solving
  • • automation
  • • communication
  • • CI/CD pipeline management
Preferred Skills
  • • C
  • • C++
  • • Java
  • • Python
  • • Go
  • • Perl
  • • Ruby
Experience Level

Experience in software design, algorithms, and data structures; familiarity with CI/CD tools is preferred.

Responsibilities

  • • Engage in and improve the whole lifecycle of services from inception to deployment and operation.
  • • Analyze ITSM activities and provide feedback to development teams on operational gaps.
  • • Support services before they go live through system design consulting and capacity planning.
  • • Maintain services post-launch by monitoring availability, latency, and overall health.
  • • Scale systems sustainably through automation and advocate for reliability improvements.
  • • Support the application CI/CD pipeline and lead DevOps automation initiatives.
  • • Conduct sustainable incident responses and blameless postmortems.
  • • Collaborate with a global team across multiple geographies and time zones.
  • • Mentor junior resources and share knowledge.

Technical Environment

Languages
Tools & Technologies

Benefits & Perks

  • • Medical, dental, and vision insurance
  • • 401k with company match
  • • Paid parental leave
  • • Paid vacation and sick leave
  • • Tuition reimbursement
  • • Fitness reimbursement

Additional Information

Location
O'Fallon, Missouri
Type
Full-time
Compensation
$94,000 - $157,000 USD

Skills & Technologies