Senior NOC Engineer - Core ISP Networking (L1-L3)

Global Connect Synergy

Karachi Division

On-site

PKR 1,800,000 - 3,200,000

Full time

3 days ago

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Job summary

Global Connect Synergy is seeking a Sr. NOC Engineer / Assistant Manager NOC to own ISP core network operations in Karachi. You will lead high-availability fiber optic transport, switching fabrics, and routing protocols, resolving complex L2/L3 incidents and MTTR improvements.

This on-site role requires a strong background in VLANs, trunking, STP, and Ethernet switching, with collaboration across field teams and providers. On-site at Shahrah-e-Faisal, Karachi.

Qualifications

Bachelor’s degree in a technical discipline such as telecommunications, computer science, or electrical engineering.
Minimum 4+ years of progressive ISP core network experience.
Strong hands-on experience with Layer 1/2/3 technologies and Ethernet switching.

Responsibilities

Lead core network engineering operations and high-availability routing.
Troubleshoot Layer 2/3 incidents and VLAN trunking issues.
Diagnose STP loops, interface errors, and MAC learning anomalies.
Coordinate with transmission teams and upstream providers.
Ensure SLA adherence, uptime, and security baselines.
Maintain network documentation and change records.

Skills

VLANs

Trunking

STP

Ethernet switching

Interface diagnostics

L1/L2/L3 networking

Education

Bachelor's degree in Telecommunications Engineering

Bachelor's degree in Computer Science

Bachelor's degree in Electrical Engineering

Tools

Grafana

Zabbix

Python scripting

Job description

This on-site role requires a strong background in VLANs, trunking, STP, and Ethernet switching, with collaboration across field teams and providers. On-site at Shahrah-e-Faisal, Karachi.

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