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Principal Platform Architect

Mastercard -
Dublin, County Dublin

Apply Now

Job details

Full-time

Qualifications

CI/CD
Azure
Kubernetes
Ansible
Encryption
AWS
Terraform
GitHub
AI
Leadership
Communication skills

Full 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

Principal Platform Architect

Overview
Infrastructure Design Services is a team of Technology Architects and Engineers responsible for defining and governing the enterprise infrastructure architecture to meet application, platform, and system needs in alignment with Mastercard’s operational standards and principles.
As a Lead Platform Architect, you will provide thought leadership and set the strategic direction for infrastructure architecture across multiple domains. You will engage early in the analysis and design phases, partnering with application teams and other critical stakeholders to ensure that infrastructure and application architectures adhere to Mastercard’s security, scalability, and availability standards.
The primary deliverable is the Technical Architecture Document (TAD), which articulates the end-to-end infrastructure design for complex applications, platforms, or systems.
This role demands deep expertise in internet fundamentals, including web servers, application servers, internet security, and emerging technologies. You will lead the design and delivery of enterprise-grade infrastructure solutions that meet global business, product, and service requirements.

Role

As a Principal Architect within IDE, you will:

Lead architecture for enterprise-wide initiatives spanning multiple platforms, programs, and services.
Define target-state architectures, reference patterns, and modernization roadmaps for Hybrid and Cloud infrastructure.
Architect enterprise AI platforms, including Claude Code, Amazon Bedrock, and developer AI enablement patterns.
Drive architecture reviews, design approvals, and governance across CTO, Security, SRE, and Engineering.
Establish security guardrails, resiliency standards, and cost/performance frameworks for AI and Cloud workloads.
Act as the technical escalation point for complex infrastructure and AI/Cloud decisions.
Mentor architects and engineers, publish enterprise patterns, and influence engineering strategy at scale.
Key Responsibilities

Enterprise & AI Platform Architecture

Define and govern architecture for AI-enabled developer platforms including Claude Code + Bedrock integration, IDE plugins, and secure enterprise access patterns.
Architect guardrails, observability, and governance for enterprise AI consumption, including token usage, cost attribution, and model policy enforcement.
Lead Bedrock account strategy, model evaluation patterns, and onboarding experience for enterprise-ready AI code assistants.
Cloud & Hybrid Infrastructure

Design cloud-native, hybrid, and multi-region architectures across AWS, Azure, Kubernetes, and Private Cloud.
Lead workload placement, resiliency, and modernization strategy across programs.
Drive platform simplification, regional builds, and sustainability-driven footprint reduction.
Security, Compliance & Governance

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.
Technical Leadership & Influence

Mentor senior engineers and architects across the IDE community.
Publish white papers, architectural patterns, and reference designs.
Represent IDE in Guilds, executive forums, and public technical engagements.
Influence VP/SVP-level decisions on technology strategy and modernization investments.
Required Skills & Experience

Cloud & Infrastructure

Deep expertise in AWS, Azure, Kubernetes, Hybrid Cloud, Networking, Compute, Storage.
Proven experience designing large-scale, resilient, secure enterprise platforms.
Strong background in Infrastructure as Code (Terraform, Ansible) and CI/CD automation.
AI & GenAI Platforms

Hands-on experience with Amazon Bedrock, Claude Code, Anthropic Claude models, GitHub Copilot, Azure OpenAI.
Working knowledge of MCP (Model Context Protocol), RAG architectures, agentic workflows, prompt engineering.
Understanding of AI governance, observability, guardrails, and responsible AI frameworks.
Architecture & Leadership

12–15+ years of experience in enterprise infrastructure and cloud architecture.
Demonstrated experience leading enterprise architecture reviews, TADs, and multi-program design efforts.
Strong executive communication and stakeholder management skills.
Track record of influencing enterprise-wide technology strategy without direct authority.

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.

Apply Now

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