Position Summary:
Global Connect Synergy is actively seeking an experienced, high-caliber, and technical Sr. NOC Engineer / Assistant Manager NOC to join our ISP core network engineering operations team in Shahrah-e-Faisal, Karachi, Pakistan on a full-time permanent on-site basis. In this critical core network infrastructure role, you will take full operational ownership of advanced fiber optic routing and switching environments, focusing heavily on Layer 1, Layer 2, and Layer 3 core network engineering operations rather than routine customer support. You will leverage your deep expertise in VLANs, trunking, STP, Ethernet switching, and interface diagnostics to ensure uncompromised network availability and resilience. This opportunity offers competitive compensation, executive technical leadership visibility, and exceptional career growth prospects within a premier regional telecommunications enterprise.
Detailed Job Description:
As a Sr. NOC Engineer / Assistant Manager NOC supporting ISP core infrastructure in Karachi via Global Connect Synergy, you will take full operational, tactical, and technical ownership of high-capacity fiber optic transport, switching fabrics, and routing protocols. Your day-to-day responsibilities include resolving complex Layer 2/3 incidents, troubleshooting STP loops and VLAN trunking misconfigurations, diagnosing interface errors and flaps, and resolving MAC learning anomalies. You will lead core engineering operations, collaborate with field transmission teams, and drive uptime across high-availability carrier networks. Furthermore, you will manage application requirements via direct email to Areeba Afzal at areeba.afzal@globalconnectsynergy.com with the exact subject line “Sr. NOC Engineer”, ensuring strict compliance with senior NOC engineering and fiber optic network standards.
Key Responsibilities:
- Lead core network engineering operations, traffic engineering, and high-availability routing across ISP fiber optic environments.
- Manage and troubleshoot complex Layer 1, Layer 2, and Layer 3 switching and routing infrastructure.
- Configure, monitor, and optimize Layer 2 technologies including VLANs, trunking, Spanning Tree Protocol (STP), and Ethernet switching.
- Diagnose and resolve interface errors, physical flaps, link degradation, and MAC table learning issues.
- Investigate and mitigate core network anomalies, routing loops, packet loss, and latency bottlenecks.
- Coordinate seamlessly with fiber optic transmission teams, field engineers, and upstream transit providers.
- Ensure strict adherence to carrier-grade service level agreements (SLAs), network uptime, and security baselines.
- Maintain meticulous technical documentation, network topologies, incident logs, and change management records.
Required Qualifications & Skills:
- Bachelor’s degree in Telecommunications Engineering, Computer Science, Electrical Engineering, or a related technical discipline.
- Minimum of 4+ years of progressive professional experience in an ISP core network environment or advanced Network Operations Center (NOC).
- Solid practical experience and deep technical expertise in Layer 1, Layer 2, and Layer 3 networking technologies.
- Advanced hands‑on proficiency with Layer 2 protocols and concepts: VLANs, trunking, STP, RSTP, MSTP, and Ethernet switching.
- Proven capability in troubleshooting interface errors, optical/physical flaps, and MAC address learning anomalies.
- Strong analytical, root-cause analysis (RCA), troubleshooting, and problem‑solving capabilities.
- Mandatory legal work eligibility in Pakistan with local residency and availability for on‑site operations at Shahrah-e-Faisal, Karachi.
- High professional accountability, leadership aptitude, and ability to manage core network engineering operations independently.
Nice-to-Have Skills:
- Professional vendor certifications (e.g., CCNP Enterprise, CCIE, JNCIA/JNCIS-ENT, Huawei HCIP/HCIE Datacom).
- Advanced knowledge of dynamic routing protocols (BGP, OSPF, IS-IS) and MPLS/VPN architectures in ISP backbones.
- Experience with network monitoring and automation tools (Grafana, Zabbix, Python scripting for network health checks).
- Prior professional working experience in tier‑1 Internet Service Providers (ISPs) or telecommunications carriers.
Application Information:
- Recruiter: Global Connect Synergy Human Resources Division
- Contact Name: Areeba Afzal (Manager Technical Recruitment & People Ops)
- Email: `areeba.afzal@globalconnectsynergy.com`
- Phone:
- Company Website: https://www.globalconnectsynergy.com
- Salary/Rate: Market Competitive / ISP Core Engineering Package
- Deadline: Open until filled (Urgent Karachi On-Site Opening)
- Notice Period: Immediate to 30 Days
- Contract Duration: Permanent / Full-Time On-Site (Shahrah-e-Faisal, Karachi, Pakistan)
Recruitment Pro Tip:
- When applying for this Sr. NOC Engineer / Assistant Manager NOC position at Global Connect Synergy, ensure your email subject line strictly reads “Sr. NOC Engineer”, and your resume explicitly emphasizes your Layer 2/3 core engineering and fiber optic ISP experience.