Ibad Ur Rahman

• Operate, maintain, and troubleshoot advanced cargo inspection systems including Rapiscan Gantry Systems, Smiths Detection HCVM Mobile Scanners (V2 & V3), and Nuctech Mobile Scanners.

• Provide L1/L2 technical support for X-ray imaging systems, resolving detector faults, image quality issues, communication failures, and system alarms.

• Troubleshoot and maintain OCR, LPR, CCTV, TCU, server, application, and data backup systems to ensure continuous operations.

• Support SICK sensors, proximity sensors, detector boards, mobile boom systems, and associated industrial control components.

• Diagnose and resolve network connectivity issues involving Cisco switches, servers, operator workstations, and inspection equipment.

• Coordinate with OEM vendors including Rapiscan, Smiths Detection, Nuctech, and SICK for escalation handling, remote diagnostics, and corrective actions.

• Perform daily and monthly Preventive Maintenance Inspections (PMI) to maximize system availability and operational performance.

• Maintain technical reports, maintenance records, incident logs, and root cause analysis documentation to support operational excellence and compliance.

• Supported operation and maintenance of large-scale telecom networks delivering 2G, 3G, and 4G services.

• Participated in network migration activities involving MSC, BSC, IP routing infrastructure, and core network services, ensuring minimal service disruption.

• Monitored network alarms, KPIs, logs, and service performance using Huawei Network Management Systems (NMS).

• Performed troubleshooting and fault isolation for network incidents affecting service availability and customer experience.

• Supported routing and switching environments utilizing BGP, OSPF, EIGRP, HSRP, MPLS, DMVPN, NHRP, and GETVPN technologies.

• Conducted service validation, health checks, and post-migration testing to ensure network stability and service continuity.

• Analyzed routing paths, network topology, and traffic flows to identify and resolve operational issues.

• Coordinated with NOC teams, field engineers, and Huawei technical specialists during implementation, migration, and incident resolution activities.

• Managed incident escalation, root cause analysis, and corrective actions in accordance with SLA and change management procedures.

• Prepared technical reports, implementation documentation, rollback plans, and operational records for network activities.

• Provided first-line technical support for broadband and GPON customers, diagnosing and resolving internet connectivity and network performance issues.

• Troubleshot LAN/WAN connectivity problems, Wi-Fi issues, DNS, DHCP, IP addressing, and customer premise equipment (CPE) configuration.

• Monitored network health, alarms, and service availability using Network Management Systems (NMS) to identify outages and performance degradation.

• Created, managed, and escalated incidents through the OTRS ticketing system while ensuring compliance with Service Level Agreements (SLAs).

• Performed remote troubleshooting and fault isolation to restore customer services with minimal downtime.

• Coordinated with NOC teams, field engineers, and third-party vendors for incident resolution and service restoration.

• Assisted customers with modem/router configuration, account provisioning, and service activation.
• Investigated billing, authentication, and account-related issues using CRM and billing management systems.

• Documented troubleshooting activities, incident resolutions, and customer interactions to maintain accurate service records.

• Delivered high-quality customer support while maintaining service performance targets and customer satisfaction.