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Platform Architect

Mastercard US

On-site
Dublin, Ireland
Full-time
Mid Level
1+ yrs
Salary not listedPosted 2h ago

Real job — pulled straight from Mastercard US’s careers page · Verified October 15, 2026 · No reposts.

Job description

Mastercard US is hiring a Platform Architect — a full-time, based in Dublin, Ireland role. Apply directly on Mastercard US's careers page below.

Platform Architect 2

Location: Dublin, Ireland

Time Type: Full time

Job Description

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

Platform Architect 2

Overview
Infrastructure Design Engineering 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 Engineering 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 Engineering 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 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 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.

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
• Advanced knowledge of load balancers and web application firewalls
• Working knowledge of Database technologies.
• Working knowledge of cloud technologies
• 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.
• Knowledge of Zero Trust Architecture principles and Network Micro-segmentation.
• Experience working with YAML based deployments

Skills/Abilities:
• Displays leadership and initiative.
• Detailed oriented and customer obsessed.
• Strong verbal and written communication skills
• Ability to multi-task and prioritize efforts.
• Ability to pick up new technologies at a quick pace and learn on-the-go
• Ability to work with team members located in multiple geographies
• Displays excellent collaborative skills with cross-functional teams.
• Provide positive customer service to internal business partners.
Key Skills:
• 1 - 3 years experiences for Senior role
• Infrastructure Architecture & Solution Design
• Networking fundamentals, Protocols & Application routing
• Understanding of Public and Private Cloud
• Knowledge of Middleware technologies (Load Balancers (F5), Microservices, DNS, Application Servers)
• Troubleshooting (Networking)
• Good communication skills (Representing designs during reviews)
• Requirements Gathering (Application requirements, Non-functional requirements (NFR))
Nice to have skills:
• Application Architecture
• Knowledge of Application Security
• Knowledge of Zero Trust Principles
• Participation in Security Reviews, Architecture Reviews (ARB), Peer Reviews

Tooling:
• Visio or DrawIO

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.




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Frequently asked questions

What skills are required for Platform Architect at Mastercard US?

The required skills for Platform Architect at Mastercard US include: Networking, Cloud Computing, Microservices, DNS, Visio.

What is the seniority level for Platform Architect at Mastercard US?

Platform Architect at Mastercard US is a Mid Level level position.

How do I apply for Platform Architect at Mastercard US?

You can view the full description and apply for Platform Architect at Mastercard US on EchoJobs: https://echojobs.io/job/mastercard-us-platform-architect-2-mdphp.