Pierre Rouwens
Principal Cloud Architect - Lza Santé Québec @Levio
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WORK HISTORY
Principal Cloud Architect - Lza Santé Québec @Levio
QC, CA
Lead the AWS cloud architecture strategy for a major Quebec healthcare agency operating across 100+ AWS accounts. Serve as the principal technical authority on all AWS cloud decisions, combining hands-on architecture, team leadership, and executive-level advisory.Key accomplishments:→ Designed and executed the consolidation of 3 separate AWS Landing Zones into a single unified LZA — reducing operational complexity, eliminating infrastructure duplication, and driving significant cost optimization across the organization→ Led the migration of on-premises workloads to AWS as well as inter-LZA workload migrations, ensuring zero-downtime transitions and compliance with healthcare-sector security requirements→ Defined and implemented the cloud governance framework: security controls (Security Hub, GuardDuty, SCPs, IAM Identity Center), networking architecture (Transit Gateway, Direct Connect), and observability strategy (CloudWatch, CloudTrail, Systems Manager)→ Built and led a team Cloud Architects — mentoring, reviewing architecture decisions, and establishing standards for IaC (Terraform), CI/CD pipelines, and operational runbooks→ Authored executive-level deliverables: architecture decision records, roadmaps, cost optimization reports, and governance documentation for C-suite and ministry stakeholdersTech: AWS (LZA, Organizations, Control Tower, Security Hub, GuardDuty, Config, IAM Identity Center, Transit Gateway, Direct Connect, CloudFront, Global Accelerator, CloudWatch, CloudTrail, Systems Manager), Terraform, Keycloak
SKILLS
ABOUT PIERRE ROUWENS
I design and deliver enterprise-scale cloud infrastructure on AWS — from landing zone architecture to security operations, for some of Canada\'s most demanding environments.My path through cloud has been hands-on from day one: I\'ve been a Cloud Architect, a CICD Architect, a CloudOps Lead, and spent 3 years inside Amazon Web Services as a Senior Technical Account Manager, working directly with enterprise customers on their most critical AWS workloads. That combination of building infrastructure and advising at scale gives me a perspective that\'s hard to replicate.Today I serve as Principal Cloud Architect at Levio, leading the AWS Landing Zone implementation for a major Quebec healthcare agency. I operate at the intersection of deep technical work (Terraform, CloudFront, Keycloak, AWS Global Accelerator, IAM, Security Hub) and strategic decision-making — translating business needs into resilient, secure cloud architectures.Where I make the biggest impact:→ AWS Solutions Architecture — landing zones, multi-account strategies, Well-Architected reviews→ Site Reliability Engineering — observability, incident response, infrastructure-as-code at scale→ Cloud team leadership — building and mentoring high-performing CloudOps teams→ Enterprise sectors — government, healthcare, financial services (Desjardins, Industrielle Alliance, LZA Santé Québec)I\'m always open to conversations about complex cloud challenges, architecture leadership roles, or opportunities to build and lead cloud teams. Let\'s talk → message me or connect.
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