Key Career Achievements

Showcasing impactful projects and technical milestones from 20+ years in IT infrastructure.
Conceptual Unified Monitoring Architecture

Unified Infrastructure Monitoring

Deployed a comprehensive monitoring platform for on-premise and cloud systems across 35+ national locations. Managed ~1,000 hosts using SNMP, Zabbix agents, and JMX, leveraging Discovery Rules to automate host creation and manage auto-scaling instances.

Conceptual ELK Stack Centralized Logging

Centralized Log Management

Implemented a centralized, immutable logging system for ISO 27001 audit compliance. Architected a 4-node ELK cluster ingesting logs from Windows workstations, Linux servers, and FortiGate firewalls, utilizing Logstash for processing and Kibana for analysis.

Conceptual Ansible Automation Blueprint

Configuration & Deployment Automation

As Senior Systems Administrator, streamlined software releases and Linux server configurations to enforce standardization. Leveraged Ansible (YAML roles and playbooks) to centrally manage security updates and application deployments for critical production webmail, chat, and DNS platforms, cutting deployment times by 50%.

Conceptual Proxmox Virtualization Migration

Virtualization Infrastructure Migration

Orchestrated a critical migration from standard ESXi to a multi-node Proxmox cluster environment. Enhanced cost-efficiency by utilizing heterogeneous hardware, enabling efficient VM/container management, network separation, live migrations during maintenance, and enhanced data security via Proxmox Backup Server.

Conceptual DigitalOcean Cloud Deployment

Cloud Infrastructure Deployment

As a volunteer for a non-profit foundation, built a restricted-budget IT platform from scratch. Leveraged DigitalOcean (IaaS, networking, and firewalling) to deploy Ubuntu instances. Managed Python dev environments via Git and GitLab, and implemented automated certificate management using Certbot/Let's Encrypt and service monitoring via Monit.

Conceptual Slackware Linux Workstation Deployment

Large-Scale Linux Workstation Deployment

As Junior Systems Administrator, implemented a customized deployment of 150+ Slackware Linux workstations, migrating users from Windows. Enhanced security and stability, managing specialized application software packages (Firefox, Thunderbird, OpenOffice) and ensuring compatibility with necessary legacy tools via CrossOver/Wine.