MasterCard Sr. Engineer - Biz Ops in O'Fallon, Missouri

Who is Mastercard?

We are the global technology company behind the world’s fastest payments processing network. We are a vehicle for commerce, a connection to financial systems for the previously excluded, a technology innovation lab, and the home of Priceless at ®. We ensure every employee has the opportunity to be a part of something bigger and to change lives. We believe as our company grows, so should you. We believe in connecting everyone to endless, priceless possibilities.

Job Title

Sr. Engineer - Biz Ops


• The primary function of the Core Authorization Biz Ops Team is to ensure that Dual Message applications maintain 100% uptime and operational availability.

• The secondary function of this team is to implement core releases, Tier II / Tier III customer /system support, and emergency code corrections.

• Do you have the desire to be challenged in a very dynamic work environment?

• Do you want to be a part of a collaborative team environment?

• Are you motivated to stay on cutting edge of technology?


• Engage in and improve the whole lifecycle of services—from inception and design, through deployment, operation and refinement.

• Support services before they go live through activities such as system design consulting, developing software platforms and frameworks, 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.

• Practice sustainable incident response and blameless postmortems.

• Lead contact for customer inquiries and questions.

• Lead Implementation database maintenance and new customer set-up.

• Lead with configuration changes in multiple environments

Minimum Qualifications

• BS degree in Computer Science or related technical field involving coding (e.g., physics or mathematics), or equivalent practical experience.

• Experience with algorithms, data structures, complexity analysis and software design.

• Experience in one or more of the following: C, C++, Java, Python, Go, Perl or Ruby.

• An intermediate knowledge and understanding of computer technology and problem resolution.

• Internal and external customer support experience.

• Working knowledge of ITIL standards and specifically ticket management.

• Ability to multi task workload in a fast pace dynamic environment.

• Professionalism and a good work ethic are required.

• Able to perform on-call duties on a rotational basis.

• Occasional off hours work required.

Preferred Qualifications

• Interest in designing, analyzing and troubleshooting large-scale distributed systems.

• Systematic problem-solving approach, coupled with strong communication skills and a sense of ownership and drive.

• Ability to debug and optimize code and automate routine tasks.

Mastercard is an inclusive Equal Employment 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.​

If you require accommodations or assistance to complete the online application 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.

Everyone wants easier ways to pay;

we invent them.

Checkout lines are slow;

we speed them along.

Merchants want more sales;

we give them data and insights.

People need financial access;

we connect them.

Corporate purchasing is complicated;

we make it simple.

Commuters are busy;

we speed them on their way.

Governments need greater efficiencies;

we help create them.

Small businesses are virtual;

we give them access to a world of buyers.

Retailers want to fight fraud;

we provide the tools.

Requisition ID: R-74710