Large-Scale Server OS Upgrade & Migration
Role: Architect / Primary
Company: HHAeXchange
Duration: 2022-08-01 – Present
Project Overview
Architected and executed the migration of 250+ production server instances
across AWS and GCP from CentOS 7 (end-of-life) to Rocky Linux 8.
Defined migration standards, automated validation workflows, and rollback
strategies to ensure minimal disruption across multi-tenant, regulated
healthcare environments. Coordinated phased rollouts and post-migration
hardening with engineering and operations teams.