Reliability Engineer I

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 I

Who is Mastercard?
Mastercard is a global technology company in the payments industry. Our mission is 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. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.
About the Role
As a Site Reliability Engineer at Mastercard, you will be part of the BizOps team responsible for ensuring the reliability, scalability, and performance of critical applications and infrastructure. You will engage in the full lifecycle of services-from design and launch to ongoing operations-while driving automation and operational excellence.

Key Responsibilities
Production Readiness & Operational Excellence
oConduct capacity planning and readiness reviews for new services.
oEnsure availability, latency, and performance of live systems.
oDrive incident response and lead blameless postmortems.
Automation & Continuous Improvement
oBuild and maintain CI/CD pipelines.
oAutomate operational tasks to reduce manual work and improve efficiency.
Monitoring & Risk Management
oImplement and manage observability tools for proactive monitoring.
oOversee change management and compliance processes.
Collaboration
oPartner with development, operations, and product teams to align reliability goals with business priorities.
oAdvocate for DevOps best practices across teams.

Required Skills & Qualifications
Strong problem-solving and analytical skills.
Experience with scripting and automation (e.g., Python, Shell).
Familiarity with CI/CD tools and cloud platforms.
Knowledge of monitoring, alerting, and incident management systems.
Ability to work in a fast-paced, collaborative environment.

Preferred Qualifications
Experience in Site Reliability Engineering or similar roles.
Understanding of operational resilience and compliance frameworks.
Certifications in DevOps or cloud technologies (AWS, Azure, Google Cloud Platform).

Mindset
Passion for automation and operational excellence.
Commitment to continuous learning and improvement.
Ability to influence and drive change across teams.

Corporate Security Responsibility
Every person working for, or on behalf of, Mastercard is responsible for information security. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and therefore, it is expected that the successful candidate for this position 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.

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 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: $61,000 - $102,000 USD