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.

About TCS :

TCS is an IT services, consulting, and business solutions organization that has been partnering with many of the world's largest businesses in their transformation journeys for over 55 years. Its consulting-led, cognitive-powered portfolio of business, technology, and engineering services and solutions is delivered through its unique Location Independent Agile delivery model, recognized as a benchmark of excellence in software development. A part of the Tata group, India's largest multinational business group, TCS operates in 55 countries and employs over 607,000 highly skilled individuals, including more than 10,000 in Canada. The company generated consolidated revenues of US $ 30 billion in the fiscal year ended March 31, 2025, BS1 and is listed on the BSE and the NSE in India. TCS' proactive stance on climate change and award-winning work with communities across the world have earned it a place in leading sustainability indices such as the MSCI Global Sustainability Index and the FTSE4Good Emerging Index.

Required Skills:

• Good years of experience in cloud infrastructure, with good years focused on AWS networking.

• Expert-level knowledge of AWS networking services (VPC, Direct Connect, Transit Gateway, Private Link, VPN, etc.).

• Strong understanding of TCP/IP, DNS, BGP, routing, subnetting, and NAT.

• Hands-on experience with network performance monitoring and logging tools.

• Proficiency with Terraform, CloudFormation, or other IaC tools.

• Familiarity with DevOps tooling: Git, CI/CD pipelines, AWS Code Pipeline, etc.

• AWS certification preferred (e.g., AWS Advanced Networking Specialty, Solutions Architect).

• Experience with multi-account AWS architectures using AWS Organizations and Control Tower.

• Hands-on knowledge of service mesh technologies (App Mesh, Istio, etc.).

• Experience integrating on-prem and AWS networks in enterprise environments.

• Familiarity with container networking (ECS, EKS) and load balancing (ALB, NLB).

Roles and responsibilities:

• Design and deploy scalable AWS infrastructure using Infrastructure-as-Code (IaC) tools such as Terraform or AWS CloudFormation.

• Architect and implement hybrid cloud network connectivity solutions, including AWS Direct Connect, VPN, and Transit Gateways.

• Define and build secure, high-performance, resilient, and cost-effective cloud network architectures. Network Engineering

• Plan and implement AWS Virtual Private Cloud (VPC) environments, including subnetting, route tables, NAT gateways, and peering.

• Configure and maintain network security mechanisms such as NACLs, security groups, AWS Network Firewall, and WAF.

• Monitor, troubleshoot, and optimize network performance and latency across AWS regions and availability zones.

• Implement high-availability networking solutions across multiple AWS regions and accounts.

• Design and implement DNS solutions using Route 53 and hybrid DNS architectures. Operations & Monitoring

• Use tools like AWS CloudWatch, VPC Flow Logs, and third-party monitoring platforms to proactively manage and monitor network performance and security.

• Conduct regular performance testing, network assessments, and vulnerability scans. Security & Compliance

• Collaborate with the security team to enforce best practices in network security and compliance (e.g., NIST, CIS Benchmarks, PCI-DSS).

• Implement traffic inspection, segmentation, and logging policies for audit readiness and incident response. Collaboration & Documentation

• Work with cross-functional teams including DevOps, security, and developers to align infrastructure design with application needs.

• Maintain detailed and up-to-date documentation of network architecture, changes, and operational procedures.

• Provide knowledge transfer and mentoring to junior engineers and support staff.

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 accommodations 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.