Shape McKesson’s Zero Trust network architecture across cloud, data center, and hybrid environments through secure design and segmentation. Work remotely or hybrid according to business needs.
As a senior network systems engineering qualified, you will evolve enterprise security architecture and governance. Your focus includes micro-segmentation, secure network design, identity-based access, and infrastructure modernization. You will communicate technical recommendations and influence security decisions across teams.
Key Responsibilities: Lead Zero Trust network architecture design and implementation
Develop segmentation strategies to reduce attack surface
Perform architecture reviews for modernization initiatives
Design secure remote access using ZTNA, VPN, and NAC




Partner with cloud and platform engineering teams
Requirements: Seven-plus years in network security, cybersecurity, or infrastructure engineering
Degree or equivalent combination of education and experience
Hands-on enterprise security architecture experience
Experience with Zero Trust and network segmentation
Ability to communicate technical concepts across multiple teams
Bring senior architecture leadership to McKesson’s Zero Trust, segmentation, secure access, and compliant hybrid network services.

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📌 Senior Zero Trust Network Architect (Ontario)
🏢 McKesson
📍 Ontario