Ali Khalilabadi
San Jose,CA
Summary
Network & Systems Administrator with 5+ years of experience in LAN/WAN design, Windows Server, Active Directory, VMware, and end-user support. Proven ability to significantly reduce downtime and security incidents while managing IT infrastructure for 60+ users. Currently pursuing an M.S. in Computer Science, focusing on network and systems administration.
Overview
6
6
years of professional experience
Work History
Network Administrator
Pardis Sanat Sayareh Sabz Co.
Tehran, Iran
03.2018 - 09.2023
- Designed and optimized MikroTik-based LAN/WAN (VLANs, DHCP, DNS, NAT) and Kerio firewalls, improving network throughput by 18% and reducing security incidents by 30%.
- Managed daily IT support for 60+ users, troubleshooting network connectivity, switch/router issues, and Windows OS errors to ensure continuous business operations.
- Monitored network performance, documented configurations, and contributed to capacity planning to maintain system stability.
IT Manager (Part-Time)
Ayandeh Sazan Sayareh Sabz Co.
Tehran, Iran
03.2020 - 03.2022
- Solely managed the entire IT infrastructure for a 3-floor office, administering Windows Server 2012 R2, Group Policy (GPO), and DNS/DHCP services.
- Managed VMware ESXi/vSphere environment (provisioning, backups), maintaining 99.95% uptime for core services.
- Implemented firewall rules and defined internal IT policies (access control, password standards) to strengthen security.
IT Technician & Systems Administrator (Contract)
Beta Saramad Industrial Group
Tehran, Iran
03.2019 - 07.2019
- Re-engineered a struggling network environment by consolidating 3 conflicting Active Directory domains into a unified structure and deploying managed MikroTik switching.
- Built a dedicated Finance Server from scratch and executed a critical hardware refresh (8+ workstations) to replace obsolete equipment, resolving performance bottlenecks for users.
Education
M.S. - Computer Science
San Francisco Bay University
Fremont, CA05-2026
B.Sc. - Computer Science
Islamic Azad University
Tehran, Iran01-2023
Skills
- Networking:
- TCP/IP
- DHCP
- DNS
- VLANs
- NAT
- VPN
- LAN/WAN
- QoS (Quality of Service)
- Wireless Networking (80211ac)
- Routing Protocols (OSPF, BGP)
- MikroTik (RouterOS)
- Cisco Routing and Switching
- Kerio Control Firewalls
- Firewall Configuration & Security
- Network systems installation
- Network monitoring
- Systems & Virtualization:
- Windows Server (2012 R2/2016/2019)
- Windows 10/11
- Active Directory
- Group Policy (GPO)
- VMware ESXi
- VSphere
- Cloud & Platforms:
- AWS (EC2, IAM)
- Microsoft Azure (Active Directory, VMs)
- Docker / Containers
- Google Workspace Administration
- Hardware & Security:
- Server Administration
- RAID Configurations
- Data Recovery
- Tools & Databases:
- Jira (Ticketing)
- IT support services
- SQL
- MySQL
- Microsoft Office Suite
- Remote Support Tools (TeamViewer, AnyDesk, ConnectWise Control)
- VoIP systems
- NVR/DVR & IP Camera Systems
Projects
- Gaming Center Network, Designed a secure domain-based network for 30+ devices (20 PCs, 10 consoles), managing routers, VLANs, and centralized user management to achieve 0% peak-hour downtime.
- Office Network Relocation, Planned and executed the relocation of server racks, 20+ PCs, and Active Directory configuration, completing the project 2 weeks ahead of schedule with no data loss.
Training
- Cisco CCNA, 2022
- Network Security Fundamentals, 2021
Languages
- English, Fluent
- Persian, Native
Timeline
IT Manager (Part-Time)
Ayandeh Sazan Sayareh Sabz Co.
03.2020 - 03.2022
IT Technician & Systems Administrator (Contract)
Beta Saramad Industrial Group
03.2019 - 07.2019
Network Administrator
Pardis Sanat Sayareh Sabz Co.
03.2018 - 09.2023
M.S. - Computer Science
San Francisco Bay University
B.Sc. - Computer Science
Islamic Azad University