Network Engineer

Tata Consultancy Services Limited; Toronto; On-site; CAD 90,000 - 120,000; Full time

Job summary

Tata Consultancy Services Canada Inc. is seeking a Cloud Network Engineer to design and implement complex cloud network architectures across Azure, AWS, and OCI.

The role focuses on secure, scalable connectivity, multi‑cloud integrations, and ongoing operational excellence. You will configure BGP routing, manage Fortinet FortiGate NVAs, and ensure robust DNS and network policy implementations across hybrid environments.

Qualifications

• Networking experience in cloud networking
• Strong knowledge of AWS networking components
• Hands-on experience with OCI networking components
• Experience with BGP routing and AS-PATH manipulation
• Proficiency with Fortinet FortiGate NVA configurations
• Understanding DNS resolution across hybrid environments

Responsibilities

• Design and implement cloud network architectures across Azure, AWS, and OCI.
• Configure and manage BGP routing across ExpressRoute and on‑prem peering.
• Troubleshoot network connectivity in hybrid/multi‑cloud environments.
• Manage Fortinet FortiGate NVA configurations for traffic inspection in cloud environments.
• Configure NSGs, UDRs, security lists, and route propagation across clouds.
• Collaborate with MSPs and providers on changes and incident resolution.
• Analyze VPC Flow Logs and Network Watcher data for diagnostics.
• Produce network diagrams, runbooks, and change documentation.

Skills

Cloud networking

AWS networking

OCI networking

BGP routing

Fortinet FortiGate NVA

DNS resolution

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.

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 new 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.

Job Description

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 in cloud network engineering.
• 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).

Nice to Have

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

Salary Range - CA$ 90,000 - CA$ 120,000 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.