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Hi, I'm Leonard Esere 👋

Principal Cloud Architect • DevOps Strategist • Builder of PolicyCortex

I turn cloud chaos into governed systems with code, math, and ruthless automation.

  • 11+ years in tech6+ years on Azure & AWS
  • I design secure, scalable, cost‑efficient platforms and compress complexity with IaC + DevOps.
  • Currently building PolicyCortex — an AI‑driven, multi‑cloud governance control plane.

🔭 Building Now — PolicyCortex

PolicyCortex is a unified, AI‑powered governance platform for AWS • Azure • GCP that:

  • Predicts compliance & security drift before incidents (30–90 day look‑ahead).
  • Correlates identity, config, runtime & cost signals into a single governance graph.
  • Automates safe remediation with approval‑gated workflows.
  • Conversational control plane — ask questions in plain English, get actions + evidence.

Tech I’m using across the stack Rust (Axum)PythonGraphQL FederationKubernetes/Istio
PostgreSQL (RLS)ClickHouseRedis/DragonflyEvent Sourcing/CQRS
TerraformGitHub ActionsAzure DevOps

Repos & Links


🚀 What I Do

  • Cloud Architecture – Enterprise patterns on Azure/AWS aligned to the Well‑Architected Framework
  • Infrastructure as CodeTerraform, Bicep, Python tooling; idempotent, testable, reviewable
  • DevOps & CI/CD – GitHub Actions, Azure DevOps; containers & AKS
  • Security & Compliance – CMMC, NIST 800‑171, FedRAMP; Zero‑Trust & policy‑as‑code
  • AI/ML Systems – Predictive models & agents integrated into operations

🧰 Tech Stack

Cloud: Azure (Expert) • AWS (Proficient) • GCP (Familiar)
IaC: Terraform • Bicep • ARM • Python • PowerShell
DevOps: Azure DevOps • GitHub Actions • Docker • Kubernetes (AKS)
Security: Microsoft Defender • Sentinel • Azure Policy (EPAC) • Zero Trust


🏆 Certifications

  • Azure Solutions Architect Expert (AZ‑305)
  • Azure DevOps Engineer Expert (AZ‑400)
  • Azure Security Engineer Associate (AZ‑500)
  • Azure Administrator Associate (AZ‑104)
  • AWS Solutions Architect Associate
  • CompTIA Security+ • Linux+

🧪 Operating Principles

  • Single Source of Truth – Everything as code (infra, policy, pipelines, docs).
  • Deterministic Delivery – Reproducible builds, drift detection, automated remediation.
  • Evidence by Default – Audit trails & metrics embedded in every workflow.
  • Human‑in‑the‑Loop – Safety gates & approvals on all automations that matter.

🔨 Featured Projects

Project Description
PolicyCortex AI‑driven multi‑cloud governance platform (predictive compliance • correlation graph • auto‑remediation).
Azure Network Pipeline Enterprise landing zone pipeline with Terraform/Bicep.
Azure IaC Terraform Reusable, composable Terraform modules for Azure.
Cloud Architecture Portfolio Reference architectures & design patterns.
Aztrol Framework Azure governance framework using Policy/Blueprints.

📊 Stats

GitHub Streak


📫 Connect

LinkedIn Email Website GitHub


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