Network Security Architect

Montréal, QC
On-site
Posted Oct 9, 2026
1 position

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Employment type: Full-time
Experience level: Lead · 10+ years
Posting language: English
Working hours: 40 hours per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Design and deliver enterprise network security solutions, including firewall and VPN architecture, deployments, migrations, and policy governance. Lead security architecture reviews, threat assessments, remediations, network transformations, and security design validation.

Job details

Inclusion without Exception 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. Thank you for your interest in TCS. Candidates that meet the qualifications for this position will be contacted within a 2-week period. We invite you to continue to apply for other opportunities that match your profile.

What you’ll do

Requirements

Requires extensive IT experience designing and delivering enterprise network security solutions, with strong expertise in Palo Alto and Fortinet FortiGate firewalls. Candidates should have deep knowledge of firewall and VPN technologies, segmentation and Zero Trust, enterprise networking, Cisco ISE, observability, and related security technologies.