Lead Platform Architect

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

Lead Platform ArchitectOverview
Infrastructure Design Services is a team of Technology Architects and Engineers responsible for the analysis and design of the infrastructure framework to fit the application, platform or system needs in-line with MasterCard's operational standards and principles.
Infrastructure Design Services is engaged from the beginning of the analysis and design phase to work with the application team(s) and other critical teams within Mastercard to ensure that the completed infrastructure and application architecture aligns with MasterCard’s security, scalability and availability standards.

Infrastructure Design Services' primary deliverable is the TAD (Technical Architecture Document) which details the infrastructure design for the application, platform or system.

This job requires experience in internet fundamentals related to web servers, application servers, internet security and other internet technologies.
This job actively performs designing and delivering internet infrastructure solutions that satisfy member, product, service and backbone requirements.
Have you ever worked with Microsoft Visio to design middleware infrastructure from the ground up?

Can you interface with the user(s), application team(s), etc., and all other stakeholders in order to determine their (evolving) needs and requirements?
Can you generate the highest level of system requirements, based on the given requirements and other constraints?
Can you ensure that this set of high level requirements is consistent, complete, correct, and operationally defined?

Role
• Generating requirements, together with other architects, engineers, application team(s) and user(s), to determine that all of the high level requirements have been met.
• Generating products such as TADs, technical documents, logical flows, and models to keep the user(s), architects and the engineers constantly up to date and in agreement on the application, system or platform to be provided as it is evolving.
• Ensuring that all architectural products and products with architectural input are maintained in the most current state and never allowed to become obsolete.
• Resolve internet architectural and operational problems impacting infrastructure and product availability and performance globally.
• Research and evaluate new technology for possible deployment in MasterCard’s internet infrastructure.
• May assume lead and total accountability for ongoing regional projects as assigned; including responsibility for planning; time and cost control; resource utilization and implementation.
• Implement, manage and support internet infrastructure components while leveraging current standards and best practices.
• Perform problem diagnosis; performance tuning; capacity planning and configuration management for MasterCard internet components.
• Assure system stability and future compatibility by monitoring production execution of all relevant systems.
• Design and deliver secure, scalable cloud and hybrid-cloud platform architecture solutions that align with enterprise security, availability, resiliency, and operational standards.
• Evaluate cloud services, infrastructure patterns, and platform capabilities to support application, product, service, and business requirements.
• Design and support container-based platform and orchestration solutions that enable scalable, portable, and reliable application deployment.
• Partner with application, engineering, security, and infrastructure teams to identify, analyze, and document security requirements throughout the architecture lifecycle.
• Apply service-oriented architecture principles to support loosely coupled services, reusable platform capabilities, and interoperability across applications and systems.
• Define architecture patterns for distributed systems, including scalability, reliability, observability, performance, and fault tolerance.
• Perform root cause analysis and troubleshooting across cloud, infrastructure, application, middleware, network, and platform layers.
• Architect enterprise AI platforms, including Claude Code, Amazon Bedrock, and developer AI enablement patterns.
• Design cloud-native, hybrid, and multi-region architectures across AWS, Azure, Kubernetes, and Private Cloud.
• Lead workload placement, resiliency, and modernization strategy across programs.
• Architect secure AI and Cloud solutions aligned to enterprise security frameworks.
• Ensure compliance with identity, encryption, private connectivity, and auditability standards.
• Partner with Security, Risk, and Compliance leaders on enterprise approvals for AI and Cloud adoption.

All About You
• Thorough knowledge and understanding of network, operating system principles and web middleware.
• Thorough knowledge in one or more core functions related to internet infrastructure design and/or web administration.
• Must be high-energy, proactive, detail-oriented and able to function under pressure in an independent environment.
• Must have a high degree of initiative and self-motivation and demonstrate the ability to drive results.
• Strong communication skills both verbal and written and strong relationship and collaborative skills and organizational skills with the ability to work as a member of matrix based diverse and geographically distributed project team.
• Willingness and ability to learn and take on challenging opportunities is critical.
• Experience designing cloud or hybrid-cloud platform architecture solutions.
• Understanding of cloud security principles, cloud service models, and security control implementation.
• Experience with container platforms and orchestration environments.
• Ability to translate business, application, infrastructure, and security requirements into architecture designs and technical documentation.
• Knowledge of distributed systems, service-oriented architecture, middleware, integration patterns, and platform reliability practices.
• Demonstrated ability to work independently in complex architecture scenarios and informally coach or guide engineers, architects, and application teams.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.

THIS POSTING RELECTS ONE OR MORE CURRENT VACANCIES ON OUR TEAM, AND MASTERCARD INTENDS TO FILL THIS POSITION BY 11/12/2026. If the fill date has passed, Mastercard intends to fill this position as soon as possible.



Pay Ranges

O'Fallon, Missouri: $122,000 - $207,000 USD