Mohsin Siddiqui

PTCL As a NOC Engineer on rotating 24/7 shifts, responsible for
continuous monitoring, fault detection, and escalation across the IP core and access network.
• Maintained 99.3% network uptime across a national broadband infrastructure serving 2M+
subscribers by proactively monitoring KPIs via SolarWinds NPM and Huawei NCE, reducing
mean time to detect (MTTD) by 30%.
• Led Tier 2/3 escalation support for 50+ complex incidents per month (latency, packet loss,
BGP flaps, fiber outages), consistently resolving P1 tickets within SLA thresholds of under 4
hours.
• Reduced mean time to repair (MTTR) by 25% by developing structured runbooks for
recurring fault patterns, adopted team-wide across the NOC shift rotation.
• Managed end-to-end incident lifecycle using IBM Maximo, Oracle Siebel, and Service
Manager — logging, categorizing, escalating, and formally closing 500+ tickets per quarter
with 98% SLA adherence.
• Monitored fiber network health and FAT (Fiber Access Terminal) fault detection using Nokia
Network Analyzer - Fiber (NA-F), identifying and coordinating resolution of 200+ outage
events annually.
• Performed remote SSH/CLI configuration and diagnostics on Cisco, Huawei, and Nokia
routers and switches, supporting live network changes with zero unplanned downtime over
3 consecutive years.
• Coordinated with 15+ ISP partners, field engineers, and hardware vendors to resolve cross
network faults, maintaining strict SLA adherence and preserving partner relationships. Generated and presented weekly network performance and fault analysis reports to senior
stakeholders, enabling data-driven decisions that reduced recurring fault categories by
18%. Maintained up-to-date network topology documentation, change logs, and post-incident
review (PIR) reports, ensuring audit-readiness for all NOC operations. Mentored 3 junior NOC analysts on troubleshooting methodology, ticket management
procedures, and CLI diagnostics, accelerating onboarding time by 40%.