Arisman Arisman

I'm a Senior Network Engineer with 6+ years of experience designing, deploying, and troubleshooting enterprise-grade networks across multi-site environments. I've helped businesses reduce downtime by up to 90% and cut infrastructure costs through smart architecture decisions. My expertise covers the full network stack:

✦ Routing & Switching Routing & Switching Routing & Switching — Cisco IOS/IOS-XE, Mikrotik RouterOS, BGP, OSPF, STP, VLAN Design

✦ Security & Firewall Security & Firewall Security & Firewall Security & Firewall — Fortinet FortiGate, Palo Alto, IPsec/SSL VPN, Zero Trust implementation

✦ Network Monitoring Network Monitoring Network Monitoring — Zabbix, Grafana/Prometheus, Uptime Kuma

I deliver clean documentation, network diagrams, and post-deployment testing reports with every project. I'm available for project-based work, hourly consulting, and ongoing retainer support.

Let's discuss your network challenges, drop me a message and I'll respond within 24 hours.