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Inclusion without Exception:

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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’s stories across our workforce and implemented through equitable workplace policies and processes.

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About TCS:

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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.

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The company generated consolidated revenues of US $ 30 billion in the fiscal year ended March 31, 2025, 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 a place in leading sustainability indices such as the MSCI Global Sustainability Index and the FTSE4Good Emerging Index.

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Required Skills

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- Strong architectural expertise in AWS infra design including multi-account Landing Zones.
- Deep understanding of AWS migration methodologies for large DC exit programs.
- Hands-on proficiency with EC2, VPC, TGW, Route 53,



ALB/NLB, EBS/EFS/FSx, and S3.
- Strong knowledge of AWS IAM, KMS, Secrets Manager, SCPs, GuardDuty, Config, CloudTrail.
- Solid understanding of AWS networking, routing, Direct Connect/VPN, and hybrid connectivity.
- Experience architecting EKS clusters including networking, scaling, and workload placement.
- Familiar with automation using Terraform, CloudFormation, and Ansible.
- Understanding of Windows 2016–2025 and RHEL 7–9 infra dependencies.
- Solid analytical skills to identify cloud readiness blockers and performance gaps.
- Ability to collaborate cross-functionally with app, DB, security, and infra teams.

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Responsibilities and Duties

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- Lead AWS infra architecture for the Data Center Exit initiative ensuring secure, scalable hosting.
- Design AWS Landing Zones including account structure, SCPs, IAM guardrails, and governance.
- Architect VPC layouts, subnetting, routing, Direct Connect/VPN, and TGW connectivity.
- Define cloud security architecture including identity, encryption, monitoring, and compliance.
- Oversee EC2 compute migration, right-sizing, HA patterns, AMI mgmt, and patching workflows.
- Provide EKS architecture guidance for cluster design, networking, and workload deployment.
- Ensure app/DB teams have reliable connectivity to Oracle Exadata on AWS and SQL workloads.




- Develop Terraform/CloudFormation automation pipelines for provisioning cloud infra.
- Produce HLD/LLDs, design standards, migration documentation, and operational runbooks.
- Support migration waves by validating infra readiness and resolving cloud infra issues.
- Cloud Experience Needed
- Deep hands-on experience in AWS EC2 design, scaling, placement, and HA architecture.
- Experience creating enterprise Landing Zones and implementing cloud governance.
- Hands-on exposure to AWS migration tools (MGN, DMS, SCT) and hybrid connectivity.
- Strong EKS architecture experience covering CNI networking, node groups, and ingress design.
- Ability to implement observability frameworks using CloudWatch, CloudTrail, X-Ray, and logging pipelines.

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Salary Range - CA$ 100,000 - CA$ 120,000 Per Year

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Note:

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- TCS does not use artificial intelligence tools for candidate screening or evaluation.
- This posting is for a current vacancy
- The hiring process includes an initial screening by the TCS Hiring Team, followed by a technical evaluation and managerial discussion conducted by the Business Team, and concluding with the final HR evaluation.

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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.

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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 t

Apply on Kit Job: kitjob.ca/job/2eudor

📌 AWS Infra Architect (Calgary)
🏢 TATA Consultancy Services
📍 Calgary