Lead Technical Architect, EDI/B2B integration

McKesson•Irving, TX

About The Position

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve – we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patients, our communities, and our people. If you want to be part of tomorrow’s health today, we want to hear from you. Job Summary We are seeking an experienced and hands-on Technical Architect to help design, modernize, and evolve enterprise B2B/EDI integration platforms. The role shapes scalable, secure, and resilient integration solutions that support mission-critical business processes across Order-to-Cash (O2C) and Procure-to-Pay (P2P) workflows. The role combines architecture and modernization work with day-to-day accountability for the health of existing platforms. Working closely with the Principal Architect and engineering leadership, this individual helps ensure current EDI environments meet business KPIs for availability, performance, transaction integrity, and partner experience, while advancing more scalable, automated, and AI-enabled designs. The ideal candidate brings strong technical depth in EDI and integration ecosystems, translates business objectives into practical designs, and communicates effectively with engineering, product, and business stakeholders.

Requirements

8-12+ years of experience in software engineering and architecture, with a strong focus on enterprise integration and EDI/B2B ecosystems.
Hands-on experience across the EDI lifecycle, including partner onboarding, data transformation, connectivity protocols, and transaction orchestration.
Experience designing and supporting large-scale distributed systems that process high-volume, mission-critical transactions.
Working knowledge of modernization patterns, including cloud adoption, API-led, and event-driven integration.
Solid grounding in operational excellence, covering system reliability, observability, performance optimization, and incident management.
Exposure to automation and emerging AI capabilities that improve platform efficiency and scalability.
Ability to influence technical direction and architectural decisions across cross-functional teams without direct authority.
Strong communication skills, with the ability to translate complex technical concepts into clear business messaging.
Hands-on mindset with the ability to dive deep into system behavior and drive resolution in high-pressure scenarios.
Experience mentoring engineers and supporting consistent technical practices across teams.
Experience in healthcare, pharmaceutical, or supply chain environments

Responsibilities

Design and evolve integration architecture for enterprise EDI/B2B platforms, balancing current-state stability with modernization and scalability.
Translate business requirements into secure, resilient, high-performing designs across connectivity, transformation, and orchestration layers.
Provide technical oversight for platform operations so systems consistently meet KPIs for availability, throughput, transaction integrity, and partner experience.
Lead root cause analysis and resolution of complex issues across high-volume, mission-critical transaction flows.
Contribute to modernization initiatives that reduce technical debt and enable API-led and event-driven integration patterns.
Act as a hands-on subject matter expert for complex EDI/B2B scenarios, including partner onboarding, data exchange, and transaction lifecycle management.
Apply architectural standards, design patterns, and best practices, and participate in architecture and design reviews.
Identify and implement automation and AI-led improvements that strengthen observability, efficiency, and decision-making across the platform.
Partner with engineering, product, and business stakeholders to align designs with customer experience and growth goals, and mentor engineers on technical discipline and consistency.