alireza khanzadeh

Junior System Administrator

About

Motivated IT professional with hands-on experience in networking (CCNA-level) and Linux system administration. Experienced in configuring and troubleshooting Cisco routers and switches, managing VLANs, ACLs, NAT, STP, HSRP, and automating tasks with Python and Bash scripts.Completed multiple lab projects on systemd services, timers, SSH authentication, web servers, and DNS, demonstrating practical problem-solving skills and initiative in learning. Committed to continuous improvement and actively expanding expertise in IT and system administration.

Country

Oman

City

Muscat

Industry

Computer Software

Skill

Troubleshooting, Log Management, Nginx, Linux Server, systemd, Shell Scripting, Domain Name System (DNS), User Management, CLI, Log Analysis, Linux System Administration, Cisco Networking, VLAN, ACL, SSH, Network Security, Network Configuration, Network Services, Network Deployment, Network Computing, Virtualization, Network Design, Secure Shell (SSH), Embedded Systems

Experience

Junior System Administrator

2026-1 - Present · 9 mos

Muscat

Hands-on experience with Linux system administration through practical lab-based projects using Ubuntu and Fedora in virtualized environments. Implemented and managed custom systemd services and timers, configured SSH authentication, and applied basic system hardening techniques. Worked on service monitoring, failure handling, and log rotation to improve system reliability and maintainability. Configured Nginx name-based virtual hosting and DNS services, with a strong focus on understanding system behavior, troubleshooting, and secure service operation.

Network Engineer (Academic & Personal Projects)

Independent Network Projects

2025-9 - Present · 1 yr 1 mo

Muscat, Masqaţ, Oman

Designed and implemented multiple Cisco-based network simulations including VLANs, ACLs, NAT, HSRP, and STP in Packet Tracer. Configured DHCP services, Layer 2 security (DHCP Snooping, DAI), and EtherChannel. Focused on redundancy, network segmentation, and secure remote management (SSH).