Werner Coetzee

Infrastructure Engineer

Contact Details

Core Technologies

Education & Certifications

Profile Summary

Highly technical Systems and Infrastructure Engineer with nearly two decades of experience spanning enterprise networking, virtualization, and Linux/Windows administration. Specializes in infrastructure deployment automation, advanced routing environments, and building custom operational dashboards to streamline operations.

Professional Experience

Senior IT Support Engineer

Mindspring Computing | 04-2023 - Present

  • Serve as tier-3 escalation point for complex network routing, system failures, and critical infrastructure issues.
  • Deploy and manage client infrastructure using MikroTik routers and Sophos enterprise firewalls.
  • Architect and administer M365 tenants, hybrid email migrations, and mail relay routing environments.
  • Manage public DNS records and high-availability zones across enterprise accounts.
  • Develop cross-platform automation tools and custom system environments using Ansible.
Windows Systems Administrator

The Foschini Group | 09-2021 - 03-2022

  • Executed automated VMware virtual machine deployments across enterprise datacenter clusters.
  • Programmed specialized management scripts to automate storage volume allocation, creation, and system formatting.
  • Maintained day-to-day core directory infrastructure, including active directory management, DNS routing, and DHCP scopes.
Senior Systems Administrator

Prescient Holdings | 06-2018 - 05-2021

  • Managed, monitored, and maintained multiple internal enterprise-grade VMware infrastructure clusters.
  • Planned, architected, and executed zero-downtime virtualized system modernization paths.
  • Administered international multi-zone Active Directory topologies, completely resolving deep-seated synchronization errors.
  • Formulated, tested, and maintained quarterly corporate Disaster Recovery (DR) readiness plans.
Network, Security & Infrastructure Engineer

Korbicom | 03-2015 - 05-2018

  • Administered dual Linux (Ubuntu, CentOS) and Windows production server infrastructure achieving maximum operational uptime.
  • Designed and executed infrastructure upgrade strategies and compiled comprehensive systems documentation.
  • Migrated historical on-premises Exchange deployments to Hybrid Microsoft 365 cloud architecture.
  • Configured local WDS engine images to drastically optimize bare-metal machine provisioning times.

Key Infrastructure Projects

Virtualize various systems from 3 server Cabinets

**Tools:** Windows Server 2008R2, VmWare ESXi
**Result:** **Migrated physical systems to virtual environment** Ensure HA cluster is configured properly on 3 esxi servers, migrated all systems over to virtualized environment, shutting down physical servers. Saving power and more.

Resolve 3 year old Existing International Active Directory Sync

**Tools:** Windows Server 2016, Replmon/powershell
**Result:** **Resolved long-standing replication issue** Swapped some fsmo roles around, ensured appropriate domain controllers has the necessary transport rules and prioroties, and added zabbix monitoring to keep an eye on domain replication.

Exchange to O365 Hybrid Migration

**Tools:** Exchange 2013/2016, Azure AD Connect, O365 Services
**Result:** **Migrated international company** mail infrastructure to a hybrid O365 environment, enabling **secure identity synchronization** and cloud collaboration.

Virtualized Infrastructure Upgrade & Modernization

**Role:** Lead Planner & Implementer
**Focus:** **Upgraded three distinct company infrastructures** running from separate cabinets on new VMware hardware.
**Result:** Achieved **100% successful migration** across all three tenants with **zero downtime** impact on business operations.

Take ownership of Multinational IT Infrastructure

**Tools:** Windows Server, CentOS, VmWare ESXi, Synology
**Result:** **Ensure 24/7 connectivity** Took sole responsibility for the IT infrastructure of a multinational, multi-branch company, ensuring online connectivity, security and various other services.

Custom E-Waste Logistics & Compliance Platform

**Architecture:** Custom PHP Backend, MySQL, Debian Linux Environment, Automated Logistics APIs
**Result:** Engineered an independent, secure digital tracking platform for electronic waste management and collection workflows. Developed full asset ledger functionality, automated tracking, and legal compliance workflows for regional collection systems.