Platform Architect: Secure, Scalable Infrastructure Leader

Mastercard; O’Fallon (MO); On-site; USD 96,000 - 163,000; Full time

Job summary

Mastercard in O'Fallon, Missouri is seeking a Senior Platform Architect to lead the design and evolution of secure, scalable enterprise infrastructure across on-prem, hybrid, and cloud environments.

You will partner with Engineering, Security, and Product teams to deliver resilient platforms, drive modernization through IaC and automation, and mentor engineers while upholding strict security and availability standards.

Qualifications

• Deep expertise in enterprise infrastructure architecture across data center, hybrid cloud, and distributed computing environments.
• Advanced knowledge of enterprise networking, application delivery, and infrastructure security, including Zero Trust principles and modern network architectures.
• Experience designing and supporting enterprise platforms utilizing VMware, cloud technologies (AWS, Azure, GCP), load balancing, web application firewalls, API gateways, and distributed infrastructure.
• Strong expertise in infrastructure automation, Infrastructure-as-Code (Terraform, Ansible), CI/CD integration, and configuration management using tools such as Git, Bitbucket, and Jenkins.
• Demonstrated ability to architect and deliver highly available, resilient, and secure infrastructure solutions while collaborating effectively across cross-functional engineering and business teams.
• Excellent communication and presentation skills with the ability to influence technical and executive stakeholders.

Responsibilities

• Lead the architecture, design, and delivery of highly available, scalable, and secure enterprise infrastructure solutions across on-premises, hybrid, and cloud environments.
• Partner with Engineering, Network, Security, Cloud, Database, Middleware, Product, and Program Management teams to develop infrastructure solutions that support business and technology strategies.
• Drive infrastructure solution delivery from initial business engagement through architecture reviews, financial approvals, procurement, implementation, operational readiness, and production deployment.
• Design resilient networking, application delivery, and security architectures utilizing enterprise technologies including load balancing, web application firewalls, API gateways, and distributed infrastructure platforms.
• Lead infrastructure modernization initiatives focused on automation, Infrastructure-as-Code (IaC), platform standardization, performance optimization, resiliency, and operational excellence.
• Develop enterprise architecture standards, technical roadmaps, and infrastructure documentation while mentoring engineering teams and promoting engineering best practices.
• Ensure infrastructure solutions meet stringent requirements for security, compliance, availability, scalability, disaster recovery, and performance across mission-critical platforms.

Skills

Enterprise architecture

Cloud platforms

Infrastructure automation

Zero Trust security

Cross-functional leadership

Security architecture

Networking fundamentals

Communication

Tools

VMware

AWS

Azure

GCP

Terraform

Ansible

CI/CD tooling

Job description

Mastercard in O'Fallon, Missouri is seeking a Senior Platform Architect to lead the design and evolution of secure, scalable enterprise infrastructure across on-prem, hybrid, and cloud environments.

You will partner with Engineering, Security, and Product teams to deliver resilient platforms, drive modernization through IaC and automation, and mentor engineers while upholding strict security and availability standards.