Ensure reliability scalability and performance of Mastercard applications by implementing observability automation CI/CD and cloud infrastructure best practices. Support production readiness triage incidents perform root-cause analysis and blameless post-mortems mentor developers and drive operational standards capacity planning and risk/compliance activities to maximize service availability and customer experience.

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
Site Reliability Engineer II
Site Reliability Engineer II
Who is Mastercard?
At Mastercard technology we work to connect and power an inclusive digital economy that benefits everyone everywhere by making transactions safe simple smart and accessible. Using secure data and networks partnerships and passion our innovations and solutions help individuals financial institutions governments and businesses realize their greatest potential. Our decency quotient or DQ drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths views and experiences. We believe that our differences enable us to be a better team - one that makes better decisions drives innovation and delivers better business results.
About the Role
The Payment Network Business Operations team is seeking a highly motivated and experienced Site Reliability Engineer II (SRE) to join our team. You will play a critical role in ensuring the reliability scalability and performance of our applications supporting essential services that power Mastercard's global operations. As a thought leader in your field you will bring technical expertise a passion for automation and the ability to mentor.
The role of the Business Operations Site Reliability Engineer is to be the production readiness steward for Mastercard products. As Business Operations SRE we are responsible for ensuring that our platform is stable and healthy. We break down barriers to running our products by fostering developer run ownership and empowering developers to build resilient products. We support our developers during the application build phase in software run principles that include operational design automation capacity planning and monitoring that leads to fault-tolerant scalable products. We see the big picture and help create and enforce operations standards while facilitating an agile and learning culture.
We support daily operations with a hyper focus on triage root cause by understanding the business impact of our products and subsequently performing blameless post-mortems. The goal of every Business Operations team is to engage early in the development lifecycle 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.
Business Operations 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. Ultimately the role of Business Operations is to align Product and Customer Focused priorities with Operational needs by providing continuous feedback throughout the lifecycle.
As part of the Business Operations team you will:
Work independently on elements of projects/processes within the Site Reliability Engineering area by applying intermediate/practical knowledge and area best practices to meet organizational standards of quality and excellence.
Support the implementation and maintenance of high-availability systems to ensure operational stability.
Assist in evaluating operational needs and developing technical solutions under guidance.
Contribute to automation and scripting projects to streamline routine operational tasks.
Troubleshoot and resolve basic to moderate system issues escalating more complex problems as needed.
Document operational procedures and shares knowledge with team members.
Participate in quality checks and reviews to ensure system stability and reliability.
Utilize experience and a comprehensive understanding of area processes and tools to make minor adjustments or enhancements to resolve identifiable issues. May manage smaller project/initiatives as an experienced individual contributor with specialized knowledge within the Site Reliability Engineering area.
Role qualifications:
The ideal candidate will apply the following skills independently in routine and moderately complex situations requiring occasional guidance typically only in unfamiliar or highly complex scenarios. They will demonstrate growing consistency and reliability in applying the skills.
Observability - Ability to use scripting and tooling to implement observability solutions enabling the collection analysis and visualization of metrics logs and traces to support incident detection diagnosis and continuous service improvement.
Programming and Scripting - Ability to write and maintain code and scripts to automate tasks build operational tools and support monitoring deployment and incident response using languages such as Python Go Bash or similar.
Systems and Network Administration - Ability to configure operate and troubleshoot Linux/Unix systems and network components applying knowledge of networking concepts protocols security and system reliability.
Cloud Computing and Infrastructure - Ability to design deploy and manage applications and infrastructure on cloud platforms (e.g. AWS Azure GCP) ensuring scalability security availability and operational efficiency.
Reliability and Scalability - Ability to design and operate systems for high availability fault tolerance and disaster recovery while ensuring systems can scale to meet current and future demand
DevOps Practices - Ability to apply DevOps principles and practices including CI/CD pipelines containerization and orchestration to enable faster more reliable software delivery and operations.
Troubleshooting - Capability to systematically identify diagnose and resolve technical issues across systems applications and networks using analytical methods and tools to restore functionality minimize disruption and ensure stable operations.
Capacity Planning and Performance Optimization - Ability to monitor resource utilization forecast future capacity needs and optimize system performance to support growth scalability and efficient infrastructure usage.
IT Service Management - Ability to apply IT service management principles to incident problem and change management ensuring reliable service delivery effective incident response and continuous service improvement aligned to business needs.
Proactive Monitoring and Improvement (SRE Applications) - The ability to use application reliability signals to anticipate issues identify risks and drive preventative improvements that enhance application performance and availability.
Specific Tool / Systems:
Strong knowledge of ITSM practices observability and monitoring using tools such as Splunk and Dynatrace
Experience operating and supporting applications on PCF and AWS platforms
Proven ability to implement CI/CD pipelines using Jenkins Bitbucket and XLR for automated build and release management
Mastercard is a merit-based inclusive equal opportunity employer that considers applicants without regard to gender gender identity sexual orientation race ethnicity disabled or veteran status or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada if you require accommodations or assistance to complete the online application process or during the recruitment process please contact [email protected] and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.
Corporate Security Responsibility
All activities involving access to Mastercard assets information and networks comes with an inherent risk to the organization and therefore it is expected that every person working for or on behalf of Mastercard is responsible for information security and must:

• Abide by Mastercard's security policies and practices;
• Ensure the confidentiality and integrity of the information being accessed;
• Report any suspected information security violation or breach and
• Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors including but not limited to location job-related knowledge skills and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical prescription drug dental vision disability life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time 25 days of vacation time and 5 personal days pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.
Pay Ranges
O'Fallon Missouri: $76000 - $127000 USD