1. Network Infrastructure & Configuration

• Extensive experience in network configuration, including DHCP, VLANs, IP configuration, and subnetting • Proficient in network troubleshooting, connectivity optimization, and performance management

• Skilled in LAN/WAN management and network infrastructure design

2. VoIP Systems & Unified Communications

• Expert configuration of Yeastar P560 PBX systems for enterprise business communications

• Hands-on experience with VoIP protocols, call routing, and bandwidth management

• Proficient in deploying and maintaining VoIP infrastructure using Yealink and Grandstream devices

• Implementation of QoS policies to ensure reliable VoIP call quality

3. Network Security & Firewall Management

• In-depth knowledge of FortiGate firewall configuration and network security protocols

• Experienced in configuring firewall rules, managing network defense strategies, and threat prevention

• Implementation of security best practices and compliance standards

4. Server Administration

• Windows Server 2019 configuration, deployment, and management

• Proficient in Active Directory, Group Policy, DNS/DHCP services configuration

• Skilled in server maintenance, user management, and system troubleshooting

5. Email Systems & Infrastructure

• Expert setup of professional email systems using DNS records (MX, SPF, DKIM)

• Knowledgeable in email hosting solutions, security protocols, and infrastructure management

• Experience with email authentication and deliverability optimization

6. Physical Security & Access Control

• Configuration and deployment of access control systems using Fanvil i60 fingerprint scanners

• Integration of magnetic card systems and security management platforms

• Implementation of secure office entry solutions

7. IT Infrastructure & Device Management

• Expert setup and configuration of network printers and peripheral devices

• Seamless integration of office devices, ensuring optimal connectivity and operational efficiency

• Experience in maintaining multi-device environments across enterprise settings