Hero Background
AmirHossein Jalalian Profile Picture
Available for Work

AmirHossein Jalalian

I'm a System Administrator

Get to Know Me

I am Amirhossein Jalalian, a Network and IT Infrastructure Specialist with extensive experience in designing, managing, and optimizing enterprise systems. My mission is to deliver reliable, secure, and scalable solutions that enhance organizational efficiency while minimizing risks.

Empowering Businesses with Reliable & Secure IT Infrastructures IT Professional

Passionate about developing innovative and sustainable network solutions that elevate organizational performance and efficiency.

Personal Info

Birthday 19 July 1999
Location Tehran, Iran
Degree Bachelor of IT Engineering

Contact Info

Status Available for Collaboration

About Me

I have extensive experience in Windows Server, Cisco and MikroTik technologies, virtualization, and other IT infrastructure solutions. My approach is always results-driven, carrying out each project with accountability, precision, and strong teamwork. I focus on delivering secure, reliable, and optimized solutions that enhance organizational growth and efficiency.

My Philosophy

I value honesty, discipline, patience, and accountability as core principles. I believe that respect for the profession and adherence to fundamental values form the foundation for achieving long-term and sustainable success in the field of Information Technology.

"Success is born of sustained effort, continuous learning, and faith in the journey."

Satisfied customers

Successful projects

Support hours provided

Expert team

Skills

My core technical and professional skills in computer networks and IT infrastructure.

Network Design (Cisco, MikroTik) 100%
Firewall & Security Rules (MikroTik, Cisco) 92%
Linux Administration (Ubuntu, CentOS) 90%
Microsoft Services (AD, DNS, DFS, WDS, WSUS, NTP) 88%
Virtualization (VMware vSphere, KVM) 77%
SQL Server (Clustering, HA, Monitoring) 66%
Backup Systems (Veeam Backup & NAS) 98%
Monitoring Tools (Zabbix, Cacti, Redgate) 94%
VPN & Tunnel Configuration 96%
Cloud Platforms (AWS, Azure) 66%
Technical Documentation 88%
Diagram & Network Mapping 80%
System Analysis & Troubleshooting 95%
Project Planning & IT Management 88%
Team Collaboration & Communication 85%
Problem Solving Under Pressure 92%
Security Awareness 90%
Adaptability & Continuous Learning 100%
Leadership & Mentoring 75%
Client Communication & Reporting 80%

Resume

My academic background and professional work experience in computer networks and IT infrastructure.

Professional Experience

DevOps & Network Infrastructure Specialist

Sep 2018 – Present

Newsha Drinks Co.

  • Designed and implemented virtualization infrastructure for all enterprise servers
  • Deployed SQL Server cluster with High Availability and Redgate monitoring
  • Implemented core Windows infrastructure services: Active Directory, DNS, NTP, DFS, WDS, WSUS
  • Deployed Nginx Proxy Manager for advanced HTTP/HTTPS traffic management and load balancing
  • Redesigned LAN structure with segmented VLANs and removed direct static IPs
  • Configured advanced Cisco switching (STP, VTP, VLAN, Port-Channel, Port Security)
  • Implemented secure Site-to-Site VPN tunnels between Tehran offices
  • Optimized Internet performance with MikroTik firewall and security rules
  • Installed Kaspersky Endpoint Security with centralized management console
  • Upgraded Jira from version 6 to 8 with full documentation
  • Upgraded HQ infrastructure with fiber backbone and improved datacenter
  • Integrated CCTV surveillance system with stable infrastructure
  • Enhanced VoIP infrastructure for reliable internal telephony
  • Implemented Zabbix with Telegram API alerts
  • Integrated Zabbix with Grafana for real-time dashboards
  • Deployed Cacti for graphical network traffic monitoring
  • Implemented NAS and automated backups with Veeam Backup
  • Created technical diagrams, documentation, and asset inventory
  • Configured CDN for improved website performance and security
  • Configured ArvanCloud with CDN, caching, and access security policies
  • Deployed MongoDB for internal NoSQL services
  • Implemented ABS NG for user behavior analytics and reporting
  • Configured Xray for traffic control, tunneling, and bypassing restrictions
  • Deployed Docker for isolated environments and faster service delivery
  • Configured Apache Maven for Java project build automation
  • Installed n8n for workflow automation
  • Developed Bash scripts for automation and server management
  • Migrated Windows web servers to Linux for performance and cost optimization
  • Configured load balancing across 5 Internet connections for stability

Network Administrator

Jul 2017 – Aug 2018

University of Applied Science & Technology – Culture & Arts Unit 48

  • Installed, configured, and maintained network equipment (switches, routers, servers)
  • Performed passive networking tasks including cabling, termination, and rack installation
  • Troubleshot LAN/WAN/Internet connectivity issues
  • Installed software and hardware for end-users
  • Implemented CCTV surveillance systems
  • Applied security policies and kept systems updated

Services

Professional IT services including network design, system administration, infrastructure management, and technical consulting.

Network Design & Implementation

Complete network infrastructure design, implementation, and optimization using Cisco and MikroTik equipment for enterprise environments.

System Administration

Windows Server management, Active Directory, DNS, and Linux server administration for optimal system performance and security.

DevOps & Automation

Docker containerization, CI/CD pipeline setup, and automation scripts to streamline deployment and infrastructure management.

Monitoring & Security

Comprehensive monitoring solutions with Zabbix, security implementation, and backup strategies to ensure system reliability.

Virtualization Solutions

VMware vSphere deployment, KVM virtualization, and cloud migration services for scalable and efficient infrastructure.

Technical Consulting

Expert consultation on IT infrastructure planning, technology selection, and implementation strategies for business growth.

Articles

A collection of my technical articles and insights on network infrastructure, system administration, and DevOps solutions.

  • All Articles
  • Microsoft
  • Linux Articles
  • MikroTik
  • Vmware
  • Other Articles
Nginx Installation & Configuration Ubuntu

نصب و پیکربندی Nginx در اوبونتو

راهنمای کامل راه‌اندازی وب‌سرور Nginx

Windows CMD Network Commands

Windows CMD Network Commands

Professional network commands for system administrators

Website Blocking on MikroTik

Website Blocking on MikroTik

Complete guide to blocking websites and domains

پیکربندی حرفه‌ای Load Balancing نامتقارن با Failover در میکروتیک | Professional Configuration of Asymmetric Load Balancing with Failover in MikroTik

پیکربندی حرفه‌ای Load Balancing نامتقارن با Failover در میکروتیک

آموزش کامل پیکربندی Load Balancing نامتقارن با Failover خودکار در میکروتیک به روش ECMP

راهنمای جامع فعال‌سازی و پیکربندی SSH در لینوکس | Complete Guide to Enabling and Configuring SSH in Linux

راهنمای جامع فعال‌سازی و پیکربندی SSH در لینوکس

آموزش کامل نصب، فعال‌سازی، پیکربندی و ایمن‌سازی SSH در لینوکس

SQL Server Clustering

SQL Server Clustering

High availability database setup

microsoft vSphere Deployment

VMware vSphere Deployment

Virtualization infrastructure design

Monitoring with Zabbix

Monitoring with Zabbix

Network and system monitoring setup

Docker Containerization

Docker Containerization

Application deployment and management

Backup & Recovery System

Backup & Recovery System

Veeam backup implementation

Load Balancing Configuration

Load Balancing Configuration

Multi-connection internet optimization

VMware vSphere Management

VMware vSphere Management

Virtualization platform administration

Network Monitoring Setup

Network Monitoring Setup

Advanced monitoring and alerting system

Database Clustering

Database Clustering

High availability database configuration

Cloud Infrastructure

Cloud Infrastructure

Multi-cloud deployment and management

OpenVPN MikroTik Setup

راه‌اندازی OpenVPN میکروتیک

راهنمای کامل راه‌اندازی OpenVPN در RouterOS v7

Automation Solutions

Automation Solutions

Workflow automation and scripting

Windows Server Management

Windows Server Management

Active Directory and enterprise services

Router Configuration

Router Configuration

Advanced routing and traffic management

Virtualization Infrastructure

Virtualization Infrastructure

Enterprise virtualization solutions

Linux Administration

Linux Administration

Server management and optimization

Enterprise Services

Enterprise Services

DNS, DFS, WSUS and enterprise solutions

Network Optimization

Network Optimization

Performance tuning and traffic shaping

System Integration

System Integration

Enterprise system integration and migration

Testimonials

What clients and colleagues say about my work and professional approach.

Amir's expertise in network infrastructure and system administration has been invaluable to our organization. His attention to detail and problem-solving skills are exceptional.

IT Director

IT Director

Newsha Drinks Co.

Working with Amir on our virtualization project was a great experience. His technical knowledge and ability to explain complex concepts clearly made the implementation smooth and successful.

Project Manager

Project Manager

Technology Solutions

Amir's monitoring and security implementations have significantly improved our system reliability. His proactive approach to IT infrastructure management is commendable.

System Administrator

System Administrator

Enterprise Client

The network optimization and load balancing solutions implemented by Amir have greatly enhanced our internet connectivity and overall system performance.

Network Engineer

Network Engineer

Infrastructure Team

Amir's expertise in DevOps and automation has streamlined our deployment processes. His technical documentation and knowledge transfer are excellent.

DevOps Lead

DevOps Lead

Development Team

Contact

Get in touch for professional IT services, network solutions, or technical consulting.

Address

Tehran, Iran

WhatsApp

+98 9197276219

Telegram

@Aj_mercury

Loading
Your message has been sent. Thank you!