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Tomorrow's health is... Defining a new possible.

Senior Manager, HR Technology Architecture (Workday & Other HR Technologies)

Mississauga, Canada Job ID JR0148642 Category AI Architecture Post Date Jul. 17, 2026
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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.

Position Summary

The Senior Manager, HR Technology Architecture (Workday & Other HR Technologies) will provide strategic architectural leadership across the HCM technology portfolio, including Workday, ADP Workforce Management, integrations, and other HR technology platforms. This role will establish the architectural vision, governance framework, design standards, reusable patterns, and assessment methodologies that enable scalable, secure, and maintainable solutions across the enterprise.

The successful candidate will combine deep technical architecture expertise with strong leadership and people management capabilities. They will lead architecture reviews, evaluate new technology and vendor solutions, establish technical standards, and build an architecture practice that supports current and future HCM initiatives.

Key Responsibilities

Enterprise & Solution Architecture Leadership

  • Define and maintain the HCM technology architecture strategy and roadmap.
  • Establish architecture governance processes, design standards, templates, and reusable patterns across the HCM portfolio.
  • Lead architectural assessments for new technologies, vendor solutions, and platform capabilities.
  • Evaluate enterprise architecture alignment, integration approaches, scalability requirements, and non-functional requirements for proposed solutions.
  • Ensure new technologies and services align with established enterprise architecture principles.
  • Provide oversight and guidance for architecture artifacts, solution designs, and integration strategies.  

Architecture Standards & Frameworks

  • Develop and maintain architecture frameworks, reference architectures, implementation standards, and design templates.
  • Create standardized assessment methodologies for evaluating new technologies and business requirements.
  • Establish a library of reusable architecture patterns and best practices.
  • Define architecture review processes and solution approval criteria.
  • Drive consistency in architecture documentation and technical decision-making.

HCM Technology Leadership

  • Provide technical leadership across Workday, ADP Workforce Management, integrations, and broader HR technology ecosystems.
  • Partner with delivery teams to ensure solution designs align with enterprise standards and business objectives.
  • Advise on integration patterns, data exchange mechanisms, security considerations, and system interoperability.
  • Support architectural due diligence for new vendor engagements and technology investments.  

People Leadership

  • Lead, mentor, and develop a team of architects and senior technical professionals.
  • Establish clear expectations, objectives, and development plans for team members.
  • Foster a culture of technical excellence, collaboration, innovation, and continuous improvement.
  • Build organizational architecture capabilities and architectural bench strength.
  • Support recruiting, onboarding, and development of architecture talent.

Governance, Metrics & Continuous Improvement

  • Define and implement architecture KPIs and success metrics.
  • Measure architecture effectiveness, solution quality, reuse, compliance, and technical debt reduction.
  • Lead architecture reviews and governance forums.
  • Identify opportunities to improve solution delivery processes and architectural maturity across the organization.

Required Qualifications

  • Bachelor's degree in Computer Science, Information Systems, Engineering, or related field.
  • 10+ years of experience in enterprise, solution, or application architecture.
  • 5+ years of leadership experience managing technical teams.
  • Deep expertise in HCM technology platforms, with strong preference for Workday architecture experience.
  • Experience designing enterprise integrations, APIs, middleware solutions, and data exchange architectures.
  • Strong understanding of enterprise architecture principles, governance frameworks, and technology evaluation methodologies.
  • Experience leading architecture reviews and establishing technical standards.
  • Strong communication and stakeholder management skills with the ability to influence leaders at all levels.
  • Experience evaluating vendor solutions and conducting technical due diligence.  

Preferred Qualifications

  • Extensive Workday architecture experience.
  • Experience with ADP Workforce Management or other workforce management platforms.
  • Experience supporting large-scale HR technology ecosystems and digital transformation initiatives.
  • Background in establishing architecture centers of excellence or architecture governance functions.
  • Experience building architecture frameworks, reusable patterns, and technology standards.
  • Familiarity with cloud-based platforms, SaaS integrations, and modern enterprise architecture practices.  

Working Conditions:

  • In office requirement, we are Flex and Connect with 2 days a week in office

We are proud to offer a competitive compensation package at McKesson as part of our Total Rewards. This is determined by several factors, including performance, experience and skills, equity, regular job market evaluations, and geographical markets. The pay range shown below is aligned with McKesson's pay philosophy, and pay will always be compliant with any applicable regulations. In addition to base pay, other compensation, such as an annual bonus or long-term incentive opportunities may be offered. For more information regarding benefits at McKesson, please click here.

Our Base Pay Range for this position

$102,500 - $136,700

McKesson has become aware of online recruiting-related scams in which individuals who are not affiliated with or authorized by McKesson are using McKesson’s (or affiliated entities, like CoverMyMeds or RxCrossroads) name in fraudulent emails, job postings or social media messages. In light of these scams, please bear the following in mind:

McKesson Talent Advisors will never solicit money or credit card information in connection with a McKesson job application.


McKesson Talent Advisors do not communicate with candidates via online chatrooms or using email accounts such as Gmail or Hotmail. Note that McKesson does rely on a virtual assistant (Gia) for certain recruiting-related communications with candidates.

McKesson job postings are posted on our career site: careers.mckesson.com.

McKesson is an Equal Opportunity Employer

McKesson provides equal employment opportunities to applicants and employees, without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, age, genetic information, or any other legally protected category. For additional information on McKesson’s full Equal Employment Opportunity policies, visit our Equal Employment Opportunity page.

McKesson is committed to being an Equal Employment Opportunity Employer and offers opportunities to all job seekers including job seekers with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, please contact us by sending an email to (United States) Disability_Accommodation@McKesson.com or (Canada) Accessibility@mckesson.ca. Resumes or CVs submitted to this email box will not be accepted.

Join us at McKesson!

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McKesson has become aware of online recruiting-related scams in which individuals who are not affiliated with or authorized by McKesson are using McKesson’s (or affiliated entities, like CoverMyMeds or RxCrossroads) name in fraudulent emails, job postings or social media messages. In light of these scams, please bear the following in mind:

  • McKesson Talent Advisors will never solicit money or credit card information in connection with a McKesson job application.
  • McKesson Talent Advisors do not communicate with candidates via online chatrooms or using email accounts such as Gmail or Hotmail. Note that McKesson does rely on a virtual assistant (Gia) for certain recruiting-related communications with candidates.
  • McKesson job postings are posted on our career site: careers.mckesson.com

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