Technical Support Engineer

About the role

We are looking for a customer‑focused Technical Support Engineer to join JazzWorld’s Corporate Helpdesk in Karachi. The role involves ensuring reliable fixed‑network services, rapid issue resolution and high user satisfaction across enterprise environments.

Key responsibilities

• Monitor and maintain fixed network infrastructure (fiber, radio, microwave, leased lines) to guarantee high availability.
• Troubleshoot connectivity issues, link degradation, outages and configuration faults across access and core networks.
• Test, commission and configure routers, switches, ONTs, OLTs and transmission equipment.
• Coordinate with field teams, NOC and vendors for fault isolation, restoration and preventive maintenance.
• Track incidents, perform root‑cause analysis and implement permanent fixes to meet SLA targets.
• Support service provisioning, bandwidth upgrades and network migrations for enterprise and corporate customers.
• Maintain technical documentation, network diagrams and incident reports.
• Follow security, change‑management and operational procedures to ensure stable and secure services.

Required profile

• Bachelor’s degree in Computer Engineering, Telecommunications, Electronics or related field.
• 1‑4 years of hands‑on experience in fixed‑network operations, ISP or telecom environment.
• Strong knowledge of fiber networks, GPON, OLT/ONT, leased lines, routing and switching concepts.
• Ability to work in shifts, on‑call rotations and high‑pressure operational settings.
• Effective communication and coordination with NOC, field teams, vendors and customers.

Required skills

• Fiber network technologies (GPON, OLT, ONT)
• Leased‑line connectivity
• Routing and switching (configuration of routers, switches, access devices)
• Network troubleshooting tools and monitoring systems
• IP networking fundamentals (TCP/IP, VLANs, routing protocols)
• Network security, change‑management and incident‑management processes
• CCNP certification (preferred)