Oliver Bühler

Projects

DTAG Group-Wide AWS Landing Zone

T-Systems2022–2024

Enterprise-scale AWS platform managing ~2,000 accounts across 40 AWS Organizations for Deutsche Telekom Group.

  • AWS Control Tower
  • AWS Organizations
  • AWS IAM Identity Center
  • AWS Config
  • AWS CloudTrail
  • AWS Security Hub
  • Amazon GuardDuty
  • AWS Service Catalog
  • Account Factory for Terraform
Cloud Architect

MagentaGaming Cloud Gaming Platform

T-Systems2020–2021

Cloud gaming platform for Deutsche Telekom's MagentaGaming service — MVP delivered in 5 months for Gamescom launch.

  • Amazon EC2
  • Amazon GameLift
  • Amazon CloudFront
  • AWS Lambda
  • Amazon DynamoDB
  • Amazon ElastiCache
  • Amazon S3
  • AWS Auto Scaling
Cloud Architect

AWS Security & Compliance Programme

Tallence AG2024–present

Enterprise AWS security programme implementing CIS, ISO 27001, and BSI C5 frameworks across Tallence AG's cloud infrastructure.

  • AWS Security Hub
  • Amazon GuardDuty
  • AWS Config
  • AWS CloudTrail
  • AWS IAM
  • Amazon Inspector
  • AWS KMS
  • AWS Macie
Senior Cloud Architect