23/04/2025
Job Title: Field Network and Voice Helpdesk Technician
Bryanston, Johannesburg
Job Purpose:
To provide onsite and remote support for network infrastructure and voice systems across business locations. The role involves a blend of field-based troubleshooting, installations, and helpdesk support to ensure the uptime and efficiency of critical communications and connectivity systems.
Key Responsibilities:
Respond to and resolve network and voice incidents both remotely and onsite at user locations.
Perform field-based troubleshooting and hands-on support of LAN/WAN networks, Wi-Fi access points, switches, routers, and VoIP systems.
Install, configure, and maintain IP phones, softphones, and other voice endpoints.
Work with central IT teams to support infrastructure rollouts, upgrades, and scheduled maintenance.
Diagnose and resolve connectivity issues related to network cables, patch panels, wireless access, VPN, and VoIP.
Maintain network and voice hardware in network rooms and wiring closets, ensuring neat cabling and accurate labeling.
Handle incident tickets, service requests, and user escalations using ITSM platforms (e.g., ServiceNow).
Liaise with third-party vendors or service providers for on-site installations, escalations, and telco line issues.
Maintain documentation related to site visits, network diagrams, and voice infrastructure.
Support disaster recovery testing and business continuity for communications systems.
Ensure all work complies with safety standards and IT security policies.
Qualifications and Experience:
Education: Diploma or Degree in IT, Computer Networking, Telecommunications, or similar.
Certifications:
Preferred: CompTIA Network+, Cisco CCNA, Microsoft Teams Voice Certification.
Desirable: ITIL Foundation, low-voltage cabling or structured cabling training.
Experience:
2â4 years in a combined field support and helpdesk environment.
Hands-on experience with network cabling, patching, and basic switch configuration.
Experience working with VoIP systems such as Cisco, Avaya, 3CX, Microsoft Teams Phone and Hosted PABX environments.
Exposure to enterprise network environments with routers, switches, Wi-Fi, and VPNs.
Technical Skills:
Proficient in basic IP networking: TCP/IP, DNS, DHCP, VLANs, routing, and NAT.
Understanding of VoIP protocols (SIP, RTP) and voice call flows.
Skilled in using test tools and software for diagnostics (e.g., Fluke testers, Wireshark).
Comfortable with remote access tools and ITSM platforms.
Able to trace and resolve issues across physical network layers (cabling, patch panels, wall ports).
Soft Skills:
Strong interpersonal and communication skills for working with users onsite.
Self-motivated and able to work independently with minimal supervision.
Calm under pressure and skilled at multitasking in dynamic environments.
Strong attention to detail and documentation.