AWS Cloud Architect: Landing Zones, Migrations & EKS

Tata Consultancy Services Limited; Irvine (CA); On-site; USD 120,000 - 140,000; Full time

Job summary

Tata Consultancy Services seeks an AWS Cloud Architect to lead large-scale cloud modernization in Irvine. The role focuses on multi-account Landing Zones, secure networking, and migration of data-center workloads to AWS with EKS and automation tooling.

You will design secure, scalable cloud architectures, partner with application, DB, security, and infra teams, and produce runbooks, standards, and migration documents for successful cloud exit programs.

Qualifications

• Strong architectural expertise in AWS infra design including multi-account Landing Zones.

Responsibilities

• 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.
• Strong analytical skills to identify cloud readiness blockers and performance gaps.
• Ability to collaborate cross-functionally with app, DB, security, and infra teams.
• 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.

Skills

AWS infra design

Landing Zones

AWS migration

EC2

VPC

TGW

Route 53

ALB/NLB

EBS/EFS/FSx

S3

IAM

KMS

Secrets Manager

SCPs

GuardDuty

Config

CloudTrail

Direct Connect/VPN

hybrid connectivity

Tools

Terraform

CloudFormation

Ansible

Job description

Tata Consultancy Services seeks an AWS Cloud Architect to lead large-scale cloud modernization in Irvine. The role focuses on multi-account Landing Zones, secure networking, and migration of data-center workloads to AWS with EKS and automation tooling.

You will design secure, scalable cloud architectures, partner with application, DB, security, and infra teams, and produce runbooks, standards, and migration documents for successful cloud exit programs.