Behdad Tajeddin
SENIOR NETWORK & INFRASTRUCTURE ADMINISTRATOR
CiscoFortiGateVMwareWindows ServerNetwork SecurityHybrid Infrastructure
Tehran, Iran

Reliable Infrastructure, Secure Networks, Precise Monitoring

I design, deploy, and maintain virtualization, networking, and storage infrastructure — keeping systems secure, available, and easy to monitor.

Behdad Tajeddin

Hands-on systems & network administrator

01

Plan

Assess infrastructure needs, design resilient topologies, and plan rollouts with minimal downtime.

02

Deploy

Configure and deploy networking, virtualization, and storage systems following best practices.

03

Monitor

Continuously monitor health, logs, and performance to catch issues before they impact users.

What I work with

Networking & Security

FortiGate / Fortinet VPN NAT Firewall Hardening Network Operations Server Setup Network Troubleshooting

Virtualization & Storage

VMware vSphere / vCenter TrueNAS iSCSI Storage / HDD Planning

Monitoring & Systems

Linux Logging & Monitoring Infrastructure Monitoring

Web Development & AI

Web Design Programming Artificial Intelligence AI Training IT Infrastructure Setup

Projects & Work Samples

IT Team Session

IT Team Session

Team coordination for infrastructure & security improvements.

FortiGate / Fortinet

FortiGate / Fortinet

Firewall deployment, policies, NAT, VPN + hardening.

TrueNAS Dashboard

NAS/iSCSI setup, monitoring resources and services. Watch the backup solution demo above.

Virtualization / VMware vSphere

Running VMware vSphere on an HPE ProLiant DL380 G10 server for enterprise virtualization and workload consolidation.

At Work

At Work

Hands-on infrastructure work in the field.

Firewall rollout & network hardening with FortiGate

A complete rollout covering policy design, VPN access, NAT rules, and hardening to reduce attack surface while keeping operations smooth.

View Projects

Enterprise Security AI Agent

This diagram illustrates a practical blueprint for building an Enterprise Security AI Agent that connects infrastructure operations with security monitoring and automated response — turning raw signals from network devices, the FortiGate firewall, and web applications into prioritized, actionable outcomes, with an LLM layer that produces human-readable incident summaries.

Enterprise Security AI Agent architecture diagram
Architecture: telemetry, SIEM correlation, LLM analysis, automated response
Python network agent - ping and traceroute with OpenAI
The agent running: ping sweep, automatic traceroute on down hosts, timestamped report
Read the Full Write-up

Services

I design, deploy, secure, and support network and infrastructure environments for businesses and individuals. Services include:

Network Design & Implementation

Active network setup: switching, routing, VLANs, OSPF/static routing, and Wi-Fi — designed for reliability and growth.

Structured & Passive Cabling

Passive network infrastructure: structured cabling, racks, patch panels, and labeling done to standard.

Firewall & Security Hardening

FortiGate/Fortinet deployment: policies, NAT, VPN (IPsec/SSL), UTM, and hardening against common threats.

Virtualization & Storage

VMware vSphere/vCenter setup, TrueNAS/iSCSI storage, backup and capacity planning.

Windows Server & Active Directory

Windows Server deployment, Active Directory, DNS/DHCP, and Group Policy administration.

CCTV & Camera Installation

IP camera installation, NVR setup, network integration, and remote viewing configuration.

Monitoring & Logging

Infrastructure and security monitoring, centralized logging, and alerting so issues are caught early.

Ongoing Support & Maintenance

Scheduled maintenance, troubleshooting, and remote or on-site support for existing environments.

Ready to start? Get in touch:

Looking for network or infrastructure services?

I provide network setup, virtualization, storage, and infrastructure monitoring services for businesses and individuals.

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