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Letting Data Speak, AI Act!
Case Study
AWS Control Tower and Foundational Infrastructure Setup
About the Client
A fast-growing EdTech SaaS company providing a fundraising platform for colleges, universities, and K–12 schools. As a cloud-native organization planning a full migration from a third-party PaaS to AWS, they required a robust, enterprise-grade cloud foundation before migration could begin.
Challenge
The client lacked the foundational AWS infrastructure required to proceed with migration safely:
No AWS Organizations structure or multi-account strategy
No AWS Control Tower Landing Zone, guardrails, or account baselines
Google Workspaces not integrated with AWS Identity Center—no centralized SSO
No Transit Gateway or dedicated Networking account for cross-account connectivity
GuardDuty and Security Hub not configured—no threat detection or security monitoring
No Terraform IaC—no repeatable, auditable, or version-controlled provisioning
Key Results
Delivered a complete 7-account AWS multi-account foundation in 2 weeks, accelerating migration readiness by 80%
Reduced manual provisioning effort by 60% through a fully modular Terraform IaC framework with S3 remote state
Achieved centralized identity federation across all accounts via Google Workspaces SAML and AWS Identity Center
Reduced mean time to detect (MTTD) threats by 40% through GuardDuty and Security Hub across all accounts and regions
Solution
Delivered over a two-week engagement in five structured phases:
Analysis & Foundation: Configured AWS Organizations with a 7-account hierarchy (Management, Networking, Production, Development, Audit, Log Archive). Deployed Control Tower Landing Zone with guardrails, account baselines, and Account Factory. Set up Terraform with S3 remote state.
Identity & Security: Integrated Google Workspaces with AWS Identity Center via SAML for cross-account SSO. Configured least-privilege permission sets, CloudTrail, Config, GuardDuty (all accounts/regions), and Security Hub with multi-account aggregation.
Network Infrastructure: Established a dedicated Networking account with a VPC and Transit Gateway, segmented route tables, and cross-account routing controls.
Account Integration: Deployed Production and Development VPCs with multi-AZ subnets, attached to the Transit Gateway with environment-specific route tables, security groups, and NACLs. Validated end-to-end connectivity and identity integration.
Documentation & Handover: Delivered architecture diagrams, multi-account and security strategy docs, and Terraform module documentation. Conducted a formal knowledge transfer session.
Technologies Used
AWS Control Tower & AWS Organizations
AWS Identity Center (SSO) & Google Workspaces (SAML)
AWS Transit Gateway
AWS GuardDuty & Security Hub
AWS CloudTrail & AWS Config
Terraform (IaC)
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