Anwar Yassin

Primary DevOps engineer for the Ontario Laboratory Information System (OLIS), a mission-critical provincial platform processing millions of lab results annually, permanently embedded on a team of 18+ engineers. Designed end-to-end CI/CD release automation through Azure DevOps, cutting deployment time from 4–6 hours to 15–30 minutes with automated approval gates, audit logging, and rollback — increased release frequency from monthly to weekly while reducing deployment incidents by 85% Built reusable Terraform modules for AWS and Azure (VPC, EC2, RDS, IAM, S3, CloudWatch, Lambda), reducing environment provisioning from weeks to hours Developed advanced PowerShell, Ansible, and Python automation for server configuration, deployment orchestration, patch management, and hardening across Windows and Linux Led 32-bit to 64-bit migration of 50+ OLIS components with zero production downtime, achieving 40% performance improvement Containerized microservices using Docker with multistage builds and Trivy vulnerability scanning, deployed to AWS ECS with centralized CloudWatch logging Migrated secrets management to AWS Secrets Manager and HashiCorp Vault, eliminating hardcoded credentials with automated rotation and full audit logging Reduced cloud infrastructure costs by 30% through rightsizing, Reserved Instances, S3 tiering, and resource tagging Maintained strict PHIPA and PCI DSS compliance across all infrastructure, automation, and CI/CD workflows Mentored 18+ engineers on Git workflows, Azure DevOps pipelines, IaC practices, and systematic troubleshooting

Served as DevOps and cloud infrastructure engineer for the Ontario Laboratory Information System (OLIS) during the organization’s transition from eHealth Ontario to Ontario Health. Led cloud migration of OLIS components to AWS and Azure, maintaining Canadian data residency and PHIPA compliance throughout Built PowerShell and Ansible automation for server configuration, deployment orchestration, and environment standardization across Windows and Linux servers Introduced Infrastructure as Code practices using Terraform for AWS and Azure provisioning, replacing manual environment builds Configured secure hybrid connectivity between on-premises and cloud environments using VPN and Direct Connect Assessed existing infrastructure, identified migration risks, and implemented mitigation strategies across all project phases. Standardized deployment processes and implemented best practices for AWS and Azure environments. Provided expert technical guidance and troubleshooting across cloud and on-premises infrastructure daily Maintained comprehensive migration documentation and runbooks for knowledge transfer across the team

Designed and implemented cost-effective virtualized test environments. Managed middleware platforms and supported Java applications. Enabled scalable deployments using IBM MQ and integration frameworks. Automated processes through scripting and tools knowledge. Supported customer onboarding with wireless device provisioning.