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.

Tata Consultancy Services (BSE: 532540, NSE: TCS) is the technology partner of choice for industry-leading organizations worldwide. Since its inception in 1968, TCS has upheld the highest standards of innovation, engineering excellence and customer service.

It has set an aspiration 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 of the Tata Group, TCS is focused on creating long term value for its clients, its investors, its employees, and the community at large. With a highly skilled workforce spread across 56 countries and 194 service delivery centers across the world, the company has been recognized as a top employer in six continents. With the ability to rapidly apply and scale recent technologies, the company has built long term partnerships with its clients.

Many of these relationships have endured into decades and navigated every technology cycle, from mainframes in the 1970s to artificial intelligence today.

Network Engineer

Key Responsibilities

- Design and implement cloud network architectures across Azure (VNet,



ExpressRoute, VPN Gateway), AWS (VPC, TGW, Direct Connect), and OCI (VCN, DRG, FastConnect).
- Configure and manage BGP routing across ExpressRoute CloudLink circuits and on-premise peering.
- Troubleshoot network connectivity issues across hybrid and multi-cloud environments including asymmetric routing, firewall drops, and DNS resolution failures.
- Manage Fortinet NGFW (FortiGate) NVA configurations on Azure and OCI for north-south and east-west traffic inspection.
- Configure NSGs, UDRs, Security Lists, NACLs, and route propagation across cloud platforms.
- Support ExpressRoute gateway SKU upgrades and circuit bandwidth changes.
- Manage DNS architecture: Azure Private DNS Zones, Route 53 Private Hosted Zones, OCI DNS, and custom resolvers.
- Collaborate with CGI and third-party network providers on change management and incident resolution.
- Investigate VPC Flow Log data and Azure Network Watcher logs for connectivity diagnostics.
- Produce and maintain network architecture diagrams, runbooks, and change documentation.

Required Qualifications

- Networking experience with Cloud network engineering.
- Deep expertise in Azure Networking: VNet, ExpressRoute, VPN Gateway, Azure Firewall, Azure DNS.
- Strong knowledge of AWS Networking: VPC,



TGW, Direct Connect, Route 53, ALB/NLB, PrivateLink.
- Hands-on experience with OCI Networking: VCN, DRG, FastConnect, Security Lists.
- Experience with BGP routing, route summarization, and AS-PATH manipulation.
- Proficiency with Fortinet FortiGate NVA configuration (policies, routing, HA failover).
- Understanding of DNS resolution across hybrid environments (conditional forwarders, Private DNS Zones).
- Microsoft Certified: Azure Network Engineer Associate (AZ-700) preferred.
- AWS Advanced Networking Specialty.

Nice to Have

- Experience working alongside MSP/carrier-managed ExpressRoute environments.
- Knowledge of SASE, SD-WAN, or Zscaler Private Access (ZPA) architectures.

Salary Range - CA$ 90,000 - CA$ 110,000 Per Year

TCS does not use artificial intelligence tools for candidate screening or evaluation. This post is for a current vacancy. The hiring process includes an initial screening, followed by a technical evaluation and managerial discussion.

Tata Consultancy Services Canada Inc. is committed to meeting the accessibility needs of all individuals in accordance with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code (OHRC). Should you require accommodation during the recruitment and selection process, please inform Human Resources.

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.

📌 Network Engineer (Toronto)
🏢 TATA Consultancy Services
📍 Toronto