Advance Zero Trust access and threat detection at McKesson across enterprise networks, using segmentation, secure access, and security analytics. Work spans hybrid-cloud and on-premises environments.
This senior individual-contributor position designs secure network infrastructure and resilient connectivity services. You will create workforce and device access solutions with ZTNA, VPN, NAC, and identity-aware controls. You will also strengthen detection through traffic analysis, IDS/IPS, monitoring, telemetry, and analytics.
Key Responsibilities: Design Zero Trust and micro-segmented network environments
Architect workforce and device access solutions
Strengthen detection using traffic analysis and IDS/IPS
Conduct incident root cause analysis and corrective actions




Partner with security and infrastructure operations teams
Requirements: Seven or more years of qualified network engineering experience
Secure enterprise network implementation across hybrid environments
Experience with routing, switching, TCP/IP, BGP, or OSPF
Experience with ZTNA, VPN, NAC, or web proxies
Experience documenting architectures and security review findings
Apply network engineering, secure access, threat detection, and incident investigation skills to McKesson’s security architecture work.

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📌 Zero Trust Network Security Specialist (Ontario)
🏢 McKesson
📍 Ontario