---
title: AWS Cloud Architecture & Automation Modernization
description: Eliassen modernized a complex AWS multi-account environment with IaC, cost governance, and automation to boost resilience, security, and scalability.
---

[Case Studies ](https://www.eliassen.com/case-studies)

# [AWS Cloud Architecture & Automation Modernization](https://www.eliassen.com/case-studies/aws-cloud-architecture-automation-modernization)

 Written by [Admin](https://www.eliassen.com/case-studies/author/admin) | Apr 30, 2026 6:47:45 PM

## ***The* Challenge: 

A communications provider needed to modernize a complex AWS environment spanning multiple organizations and two operational towers.

The existing setup relied heavily on manual processes, limiting scalability and increasing operational risk. The client also faced challenges in cost visibility, identity management across 90+ AWS accounts, and ensuring strong disaster recovery (DR) and high availability (HA) capabilities.

To support growth and improve efficiency, the organization needed to automate infrastructure, strengthen governance, enhance resilience, and gain better control over cloud spend—without disrupting ongoing operations.

 

## *The* Solution: 

Eliassen delivered a comprehensive cloud modernization strategy, combining architecture optimization, automation, and cost governance:

 

## *The* Result: 

 

## *Key *Takeaway: 

By modernizing cloud architecture and embedding automation at scale, Eliassen helped the client transform a complex, manual AWS environment into a resilient, efficient, and highly governed cloud platform—positioned for long-term growth.

[View full post](https://www.eliassen.com/case-studies/aws-cloud-architecture-automation-modernization)

```json
{
  "@context" : "http://schema.org",
  "@type" : "BlogPosting",
  "author" : {
    "@type" : "Person",
    "name" : "Admin"
  },
  "dateModified" : "2026-04-30T18:59:50.366Z",
  "datePublished" : "2026-04-30T18:47:45Z",
  "headline" : "AWS Cloud Architecture & Automation Modernization",
  "image" : {
    "@type" : "ImageObject",
    "height" : 600,
    "url" : "https://www.eliassen.com/hubfs/aws-cloud-architecture.png",
    "width" : 1200
  },
  "mainEntityOfPage" : "https://www.eliassen.com/case-studies/aws-cloud-architecture-automation-modernization",
  "publisher" : {
    "@type" : "Organization",
    "logo" : {
      "@type" : "ImageObject",
      "height" : 60,
      "url" : "/hs/hsstatic/content_shared_assets/static-1.4092/img/default-amp-logo.png",
      "width" : 60
    },
    "name" : "Case Studies"
  }
}
```