Engineer secure enterprise connectivity for McKesson with Palo Alto Networks, Zscaler, and HPE Aruba EdgeConnect expertise. Work across hybrid-cloud and on-premises environments.

This Senior Network Security Specialist role focuses on firewall, perimeter, and workforce access capabilities supporting a Fortune 10 healthcare company. You will optimize secure internet gateways, web proxies, VPN technologies, and Network Access Control. You will also strengthen resilience and connectivity services through practical security designs.

Key Responsibilities:

- Architect and optimize firewall and perimeter security capabilities
- Design secure workforce and device access solutions
- Apply ZTNA, VPN, NAC, and identity-aware security controls
- Evaluate vendor solutions, proofs of concept, and emerging technologies




- Improve resilience, regulatory alignment, and business continuity

Requirements:

- Seven or more years of qualified network engineering experience
- Secure enterprise network implementation across hybrid-cloud environments
- Hands-on enterprise firewall technology experience
- Routing, switching, TCP/IP, BGP, OSPF, MPLS, or SD-WAN experience
- Experience with Palo Alto Networks, Zscaler, or HPE Aruba EdgeConnect

Bring enterprise firewall, secure access, and network engineering expertise to McKesson’s scalable security infrastructure.

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📌 Senior Enterprise Network Security Engineer (Mississauga)
🏢 McKesson
📍 Mississauga