Network Security Architect

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 (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes.

TCS has been serving the Canadian marketplace for more than 35 years and today is the technology partner of choice for many of the country's leading organizations. As one of the largest IT services providers in Canada and globally, TCS is aiming to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence.

Rooted in the heritage and values of the Tata Group, TCS is focused on creating long-term value for its clients, investors, employees, and the communities it serves. With a highly skilled workforce supporting customers from coast to coast, TCS has consistently been recognized as a Top Employer by the Top Employers Institute, including a recent top ranking at the country level.

TCS also sponsors 14 of the world's most prestigious marathons and endurance events, including the TCS Toronto Waterfront Marathon, reflecting its commitment to health, sustainability, and community empowerment.

Job Description :-

Network Security Architect:

• Senior years of IT experience in 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, Micro-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, troubleshooting, 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.