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zimlama/README.md

Leonardo Mejía

Senior Cybersecurity & SD-WAN Architect · 15+ years

Building Zero Trust networks at LATAM enterprise scale

🛡️ What I build

  • Zero Trust architectures for regulated enterprises (financial, insurance, telco)
  • Enterprise SD-WAN — 100+ Fortinet projects · 500+ edges each (Claro Colombia)
  • NDR platforms — 500+ Darktrace vSensors · 60K+ endpoints (Bancolombia)
  • AWS multi-account security — Landing zones · SCPs · guardrails · Security Hub
  • Network automation — Python + Django + vManage REST API · 8,500 vEdges pre-staged for Aldi / Telefónica International

🧰 Stack

Cloud Security — AWS (GuardDuty · Security Hub · KMS · WAF · Macie · IAM Identity Center) · Terraform · AWS CDK

Network — Fortinet (FortiGate · FortiManager · FortiAnalyzer · FortiSandbox) · Cisco Viptela · Aruba ClearPass NAC

Detection & Response — Darktrace NDR · LogRhythm SIEM · Elastic Stack · MITRE ATT&CK

Languages — Python (Django · Pandas · REST) · JavaScript · Bash

Compliance — NIST 800-53 · ISO 27001 · PCI-DSS · SOC 2 · SFC Circular 007/2018

📍 Now

  • Cyber Security Specialist · Tigo Colombia / Bancolombia
  • AWS Security Specialty (In Progress)
  • Open to 100% remote senior IC roles across the Americas

📫 Reach me

⚡ Fun fact: Mountain Bike enthusiast

Pinned Loading

  1. fortigate-ha-aws-cdk fortigate-ha-aws-cdk Public

    FortiGate Active/Passive HA on AWS via CDK TypeScript — hexagonal failover validator + TDD

    TypeScript

  2. AWSSecurityBaselineWorkshop AWSSecurityBaselineWorkshop Public

    AWS Security baseline — multi-account guardrails, SCPs, and Security Hub via Terraform

    HCL

  3. aristos aristos Public

    Terraform infrastructure modules — IaC patterns for AWS

    HCL

  4. ecs_terraform ecs_terraform Public

    AWS ECS deployment via Terraform — containerized workloads with IaC

    HCL

  5. lab-k8s-autoscaling lab-k8s-autoscaling Public

    Kubernetes lab — HPA, cluster autoscaling, and resource limits

  6. jsontoexcel jsontoexcel Public

    AWS Lambda function — JSON to Excel conversion in Python