عبدالرحمن ع.

IT Specialist with 3+ years of experience in Networking, VoIP (Issabel on CentOS), and Systems Administration (Windows & Linux). Skilled at optimizing infrastructure, integrating communication platforms, and resolving complex technical issues. Seeking to contribute as an IT Consultant / Technical Support Engineer to drive

performance, security, and business continuity

• Networking (CCNA-level)

• Windows Server (AD, DHCP, DNS, GPO)

• Linux (Ubuntu, CentOS)

• VoIP (Issabel)

• Security (pfSense)

• Virtualization (Hyper-V) And (VmwareEsxi)

• Hardware/Software Maintenance

• Help Desk & Remote Support

• VoIP Troubleshooting

• SIP Trunk Integration

• Remote Technical Support

• Firewall & NAT Configuration