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Johannesburg: Network Technician

Johannesburg: Network Technician

Posted on 2025-08-25 00:00:00

Employer Unspecified
Category IT / Computing / Software
Location Gauteng  / Johannesburg

Job Summary

Key Responsibilities · Install, configure, and maintain network hardware: routers, switches, firewalls, access points. · Provide onsite and remote support for ISP services: Fibre, Microwave, SD-WAN, MPLS, and mobile internet. · Implement and support voice systems: SIP trunking, IP-PBX (3CX, Microsoft Teams telephony). · Enforce security through firewall setup and coordination with managed cybersecurity tools. · Integrate cloud connectivity (Azure, AWS, Private Cloud) into hybrid network environments. · Monitor and resolve network issues using NOC and monitoring tools. · Perform preventative maintenance, firmware upgrades, and patching. · Provide customer support, configuration documentation, and escalate incidents per SLA. · Assist with the design and implementation of network infrastructure projects. · Travel to client sites to support physical installations and troubleshooting. Requirements · 3 years in network support or field engineering roles. · Strong technical knowledge of: – Cisco/Aruba/HPE switches & routers – Next-gen firewalls (e.g., Sophos, Trend Micro, SentinelOne) – MPLS, SD-WAN, VPNs – Wi-Fi access point deployment and configuration – SIP trunking solutions and IP-PBX systems (3CX, MS Teams telephony). · Familiarity with cloud networking (Azure/VPN, AWS VPC). · Proficient in NOC ticketing systems, network monitoring, and diagnostic tools. · Strong troubleshooting, problem-resolution, and customer communication skills. · Valid drivers license for client-site deployments. Preferred Qualifications · Certifications: CCNA or equivalent, NFPA, 3CX Engineer, Azure Networking, Sophos/Trend Micro/SentinelOne. · Experience with managed services for mid-sized to large clients. · Knowledge of telecom ISP operations and resilience best practices (failover, redundancy).

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