SITHEMBILE DHLAKAMA MASONA

• Provide Tier 3 technical support for enterprise and business clients.
• Configure and troubleshoot Cisco switches and routers for optimized network performance.
• Assist clients with business communication solutions, including VoIP, network infrastructure, and site checks.
• Helpdesk internet support
• Perform network diagnostics, analyze connectivity issues, and implement solutions to ensure service reliability.
• Manage and deploy VLANs, QoS, and traffic shaping for business network environments.
• Oversee troubleshooting of fiber networks, ONT ZHONE devices, and core networking issues.
• Conduct business impact analysis for network changes and infrastructure upgrades.

• Conducted and calibrated tests of components and systems to evaluate performance and identify concerns.
• Completed all job reports and logs immediately following service calls..
• Managed to grow clientel from South Africa to Zimbabwe- resulting to register branch in Zimbabwe aswell.

• Installed and configured CCTV Systems ( Hikivision IP Cameras, NVR, Cat5 cabling, and crimping/termination).
• Installed and configured new devices and system components.
• Installed, configured, and maintained Alarm Systems.
• Installed, configured, and maintained onsite Access Control Systems.
• Planned layouts and ran cable into buildings and through walls, attics, and crawl spaces.
• Read blueprints and schematics to correctly place equipment.

• Configured routers and firewalls using Cisco Packet Tracer for data networking.
• Monitored entire NRZ internet network and specific IP addresses and servers.
• Installed network points (crimping Cat 5 cables: straight-through and crossover).
• Network sharing: printers and device sharing.
• Installation using OPTIC FIBRE (splicing).
• Proficient in all Microsoft Packages (Word, Excel, Publisher, and PowerPoint).
• Experience in Switching and Routing.
• Changing IP Addresses and subnet masks.
• Worked closely with network administrators and server engineers to ensure quality service.
• Set up networks and computers for business and residential customers.
• Advocated for aggressive testing and problem analysis for server, desktop, and IT infrastructure work.
• Developed and implemented complex Internet and Intranet applications on multiple platforms.

Exchange (HICOM 300):

• Testing phones from MDF to HICOM 300.
• Knowledge of indoor and outdoor cables for installations.
• Understanding that exchange is powered by -48V.
• General understanding of how telephone works.
• Configuring PABX via COMTES software for new users and locating zero facilities.

Radio Workshop:

• Introduction to workshop safety, rules, precautions, and equipment.
• Identification of different types of ANTENNAS and COAXIAL cables used (RG213, half-inch).
• Programming of portable and base radios.
• Proficient use of MARCONI INSTRUMENTS to check power, frequency generation, frequency counter, and modulation meter.
• Installation of Global Position System in Locomotives.
• Installation of cabinets and racks.

Radio Electronics Workshop:

• Repairing fax and photocopying machines.
• Installation of CCTV systems.
• Knowledge and understanding of electronic circuits.
• Repairing HICOM GRAPHICS CARDS.

• Installed, maintained, and troubleshot telecommunication equipment and systems.
• Provided value-added services and support.
• Introduced, installed, and supported Broadcom Plug-and-Go internet routers for small office and home office clientele.