Senior Network Security Architect - Zero-Trust Firewalls

Tata Consultancy Services; Montreal (administrative region); On-site; CAD 100,000 - 150,000; Full time

Job summary

Tata Consultancy Services is seeking a Senior Network Security Architect to design and deliver enterprise security solutions across the organization. The role emphasizes architecture leadership for firewall platforms, VPN networks, and zero-trust initiatives, with strong emphasis on governance and cross-functional collaboration.

Candidates should bring extensive IT security experience, hands-on firewall deployment, and expertise in NAC and observability tooling.

Qualifications

• Senior years of IT experience designing and delivering enterprise Network Security solutions.
• Strong expertise in Palo Alto and Fortinet FortiGate firewalls, including architecture deployments migrations and policy governance.
• Deep knowledge of Firewall Technologies, VPN Solutions, Network Segmentation and Zero Trust architectures.
• Strong understanding of enterprise networking including Routing, Switching, TCP/IP, DNS, BGP, OSPF, WAN, Load Balancing and High Availability.
• Hands-on experience with NAC solutions (Cisco ISE) and Observability Platforms for monitoring and performance analysis.
• Experience with security technologies such as IDS/IPS, Secure Web Gateways, Proxy Solutions, DDoS Protection, Email Security and Firewall Governance tools (Algo Sec).
• Proven experience leading security architecture reviews, Firewall & VPN remediations, threat assessments, firewall migrations, network transformations and security design validation activities.

Responsibilities

• Design and deliver enterprise Network Security solutions aligned to business goals.
• Lead security architecture reviews and remediation projects for firewall and VPN infrastructures.
• Perform threat assessments and drive network transformations with governance and best practices.
• Collaborate with cross-functional teams to implement Zero Trust and segmentation strategies.
• Mentor junior engineers and ensure adherence to security standards and policies.

Skills

Palo Alto Firewalls

Fortinet FortiGate Firewalls

Enterprise Networking

Zero Trust Architectures

Network Security Architecture

VPN Solutions

Tools

Palo Alto

Fortinet FortiGate

Cisco ISE

Observability Platforms

IDS/IPS

Secure Web Gateways

Proxy Solutions

DDoS Protection

Firewall Governance tools (Algo Sec)

Job description

Tata Consultancy Services is seeking a Senior Network Security Architect to design and deliver enterprise security solutions across the organization. The role emphasizes architecture leadership for firewall platforms, VPN networks, and zero-trust initiatives, with strong emphasis on governance and cross-functional collaboration.

Candidates should bring extensive IT security experience, hands-on firewall deployment, and expertise in NAC and observability tooling.