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Reliability Engineer II

Job in O'Fallon, Missouri, 63366, USA
Listing for: MasterCard
Full Time position
Listed on 2026-01-14
Job specializations:
  • IT/Tech
    Systems Engineer, Cloud Computing, IT Project Manager, SRE/Site Reliability
Job Description & How to Apply Below
Location: O'Fallon

Reliability Engineer II page is loaded## Reliability Engineer II locations:
O'Fallon, Missouri time type:
Full time posted on:
Posted 30+ Days Agojob requisition :
R-248294
** Our Purpose
*** Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
*** Title and Summary**### Reliability Engineer II### The Biz Ops team is looking for a Site Reliability Engineer who can help us solve problems, build our CI/CD pipeline and lead Mastercard in Dev Ops automation and best practices.
Business Operations is leading the Dev Ops transformation at Mastercard through our tooling and by being an advocate for change & standards throughout the development, quality, release, and product organizations. We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must.  

Role  The role of business operations is to be the production readiness steward for the platform. This is accomplished by closely partnering with developers to design, build, implement, and support technology services. A business operations engineer will ensure operational criteria like system availability, capacity, performance, monitoring, self-healing, and deployment automation are implemented throughout the delivery process. Business Operations plays a key role in leading the Dev Ops transformation at Mastercard through our tooling and by being an advocate for change and standards throughout the development, quality, release, and product organizations.
We accomplish this transformation through supporting daily operations with a hyper focus on triage and then root cause by understanding the business impact of our products. The goal of every biz ops team is to shift left to be more proactive and upfront in the development process, and to proactively manage production and change activities to maximize customer experience, and increase the overall value of supported applications.

Biz Ops teams also focus on risk management by tying all our activities together with an overarching responsibility for compliance and risk mitigation across all our environments. A biz ops focus is also on streamlining and standardizing traditional application specific support activities and centralizing points of interaction for both internal and external partners by communicating effectively with all key stakeholders.
Ultimately, the role of biz ops is to align Product and Customer Focused priorities with Operational needs. We regularly review our run state not only from an internal perspective, but also understanding and providing the feedback loop to our development partners on how we can improve the customer experience of our applications.  All About You  
• Engage in and improve the whole lifecycle of services—from inception and design, through deployment, operation and refinement.  
• Analyze ITSM activities of the platform and provide feedback loop to development teams on operational gaps or resiliency concerns  
• Support services before they go live through activities such as system design consulting, capacity planning and launch reviews.  
• Maintain services once they are live by measuring and monitoring availability, latency and overall system health.  
• Scale systems sustainably through mechanisms like automation, and evolve systems by pushing for changes that improve reliability and velocity.  
• Support the application CI/CD pipeline for promoting software into higher environments through validation and operational gating, and lead Mastercard in Dev Ops automation and best practices.

• Practice sustainable incident response and blameless postmortems.  
• Take a…
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