Position Summary (Purpose of job): The Lead Solution/IT Architect ensures the establishment of enterprisegrade technical architecture that delivers sustained business value across systemwide, missioncritical programs.

The role owns architectural components and alignment to the futurestate vision; directs fitgap analysis; and defines and validates migration plans that evolve current platforms toward target architectures.

It oversees evaluation of technology options, platforms, and architectural patterns for enterprise solutions and ensures designs meet rigorous security, performance, reliability, compliance, and operability expectations.

Operating with the highest autonomy, the Lead Architect consults across multiple domains to harmonize initiatives with enterprise architecture, sets and enforces standards, and provides clear technical recommendations to nontechnical stakeholders.

The role delivers reference implementations, guides implementation and modification activities, and leads risk assessment and mitigation planning.

As a technical leader and internal consultant, the architect elevates engineering practices, simplifies the IT landscape, and advances measurable outcomes aligned with McKessons strategic objectives.

Key Responsibilities: Set architecture strategy and roadmaps.

Lead enterprisedirection discussions, environmental analysis, value cases, and innovation portfolio recommendations; align roadmaps across IT domains.

Prioritize nearterm needs.

Aggregate architectural demands, establish priorities, and define action plans to improve capabilities, processes, and technology.

Design endtoend solutions.

Translate concepts into logical architectures; set documentation standards for complex integrations; validate and approve designs for highimpact initiatives.

Direct implementation.

Coordinate architecture implementation and modifications; lead troubleshooting; ensure compatibility with existing platforms, services, and strategic requirements.

Lead governance.

Define and enforce principles, standards, and guidelines; manage enterpriselevel exceptions; run portfolio/enterprise quality reviews; ensure security and compliance.

Institutionalize wellarchitected practices.

Ensure KPIs/OKRs reflect security, reliability, performance, cost, and operations pillars; track and recommend adjustments to accelerate value.

Drive innovation and improvement.





Direct research on emerging technologies and trends; identify weaknesses; lead teams to develop improvements and postimplementation optimizations.

Influence and coach.

Champion modern approaches (Dev

Ops, cloud), mentor architects, and guide roadmap communication and adoption across the enterprise.

Guide enterprise integration.

Approve integration strategies and ensure solution decisions align with futurestate architecture and portfolio plans.

Oversee M&A; architecture.

Lead due diligence, planning, and integration, mentoring teams and aligning senior stakeholders to the technology vision.

Minimum Requirements: Degree or equivalent and typically requires 10+ years of relevant experience.

Less years required if has relevant Masters or Doctorate qualifications.

Critical Skills(Knowledge, Skills, & Abilities): Enterprise architecture mastery (TOGAF concepts/ADM, governance) to set standards, decision frameworks, and targetstate roadmaps for complex portfolios.

Architecture visualization proficiency using C4 model (context, container, component) to communicate structure and tradeoffs across executives, product, and engineering.

Well

Architected fluency across security, reliability, performance efficiency, cost optimization, and operations; ability to embed KPIs/OKRs into designs. IT service management alignment (ITIL 4 SVS/practices) ensuring supportability, governance linkages, and operational excellence.

Securebydesign leadership with demonstrable application of OWASP Top 10 mitigations in platform and integration patterns.

Multicloud depth (e.g., AWS Solutions Architect Professional, Azure Solutions Architect Expert, GCP Qualified Cloud Architect) to guide modernization and multiaccount strategies.

Integration and data architecture expertise across APIs, eventing, data platforms, and identity/zerotrust patterns to meet scale, latency, resilience, and regulatory needs.

Executive storytelling and decision rigorframing options, risks, and tradeoffs with implementable guidance for nontechnical audiences.

Operability at scalegovernance for CI/CD, IaC, observability, backup/DR, and HA patterns across portfolios.

Competency proficiency forL5(Lead Architect): Adaptability,



Architecture & Master Planning, Collaboration & Partnership, Communication & Internal Marketing, Design Thinking, Digital Acumen, Problem Solving, Strategic Decision Making, Business Function Knowledge, Customer & Business Driven, and Leadership all at Leading proficiency.

Additional Qualifications: Bachelors degree or equivalent experience;typically10+ years across architecture/engineering with sustained leadership of enterprisescale, crossplatform programs.

Less experience is accepted with relevant Master''s or Doctorate qualifications.

Proven record of enterprise standards and governance ownership, including exception management and portfolio/enterprise architecture quality reviews.

Demonstrated leadership of IT systemwide initiativesfrom capability strategy and roadmap through implementation and steadystate optimization in regulated or complex environments.

Experience aligning product, engineering, security, and operations to operationalize target architectures and achieve measurable outcomes across multiple domains.

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 Our Base Pay Range for this position $122,100 - $162,800 McKesson has become aware of online recruiting-related scams in which individuals who are not affiliated with or authorized by McKesson are using McKessons (or affiliated entities, like Cover

MyMeds 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: .

📌 Lead, Infrastructure Architect (Mississauga)
🏢 MCD McKesson Canada Corporation / La Corporation McKesson Canada
📍 Mississauga