Provided GIS application and operational support for fibre network planning projects, handled data issues and validations, performed geospatial data checks and reconciliation on 500+ network designs, supported L1/L2 troubleshooting by analysing data inconsistencies and coordinating fixes, executed manual testing identifying ~20% defects, prepared technical reports, BOQs, and design summaries, and worked in SLA-driven environments meeting turnaround times.