Technical Expertise

Demonstrated proficiency in network engineering, systems administration, and robust monitoring architectures built for high availability environments.

router

Routing & Switching

Cisco IOS 95%

MikroTik RouterOS 90%

BGP / OSPF 85%

VLANs & STP 100%

terminal

Systems Administration

Linux (RHEL/Ubuntu)Bash ScriptingAnsibleDockerVMware ESXiNginx / Apache

monitor_heart

Monitoring & Observability

ZAB

Zabbix

Expert

NAG

Nagios

Advanced

PRTG

Advanced

GFN

Grafana

Intermediate

Key Implementations

Enterprise Core Network Migration

Architected and executed the seamless migration of legacy core switching infrastructure to Cisco Nexus 9k series across two primary datacenters, achieving zero unplanned downtime.

Cisco NexusvPCOSPF

Unified Observability Platform

Deployed a comprehensive monitoring stack utilizing Zabbix and Grafana to consolidate disparate alerting systems, reducing mean time to resolution (MTTR) by 35%.

ZabbixGrafanaSNMP v3

Recent Automation Artifact

#!/bin/bash
# automated_backup.sh - Router config backup routine

TARGET_DIR="/mnt/backups/network/$(date +%Y%m%d)"
mkdir -p "$TARGET_DIR"

while read -r ROUTER_IP; do
    echo "[$(date +'%H:%M:%S')] Initiating backup for $ROUTER_IP"
    ssh -o StrictHostKeyChecking=no admin@"$ROUTER_IP" 'show run' > "$TARGET_DIR/$ROUTER_IP.cfg"
    if [ $? -eq 0 ]; then
        echo "[$(date +'%H:%M:%S')] Backup successful: $ROUTER_IP"
    else
        echo "[$(date +'%H:%M:%S')] ERROR: Backup failed for $ROUTER_IP" >&2
    fi
done < router_list.txt