Lead Systems Platform Architect F/T

Posted:
4/17/2026, 6:14:53 AM

Location(s):
O’Fallon, Missouri, United States ⋅ Missouri, United States

Experience Level(s):
Senior

Field(s):
DevOps & Infrastructure ⋅ Software Engineering

Workplace Type:
On-site

Pay:
$122k–$207k/yr

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 Systems Platform Architect F/T

Overview
Generate requirements, together with other architects, engineers, application team(s) and user(s), to determine that all of the high-level requirements have been met.

Role
• Generate 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.
• Ensure 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.

About You
• Position requires a Bachelor's degree or foreign equivalent in Information Systems, Information Technology, Computer Science or Engineering, Electrical and Electronic Engineering, or related and five (5) years of experience in job offered or as an Infrastructure Engineer, Cloud Engineer, Middleware Engineer, System Administrator, Senior Analyst or related.
• Qualifying experience must include at least five (5) year with each of the following: Experience supporting large infrastructure deployments both on-prem and cloud; Networks; Storage; Cloud; Firewall technology; Visio; Technical Architecture Document; Networking; F5; GTM; DNS; VS Code; Git.
• Telecommuting and/or working from home may be permissible pursuant to company policies.
• To apply, please click the “Apply for job” link above, or send resume to recruiter Kevin Hetland, [email protected], 2200 Mastercard Blvd, O’Fallon, MO 63368. Reference MC5-2026.


Incentives offered through MasterCard’s Employee Referral Program Apply to this position. For more information, please visit our Employee Referral Site or see employee handbook.

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: $122,000 - $207,000 USD