Ons Chamekh

– Resolved L1/L2 technical incidents for international clients while ensuring strict SLA compliance. – Diagnosed issues, performed root-cause analysis, and escalated complex cases efficiently. – Managed and tracked incidents using Jira Service Management, improving resolution efficiency. – Contributed to knowledge-base documentation, reducing recurrence of common incidents.

– Designed a geospatial BI system for school transportation, reducing data processing time by 70%. – Built PostgreSQL/PostGIS databases integrating 15,000+ OpenStreetMap records. – Developed REST APIs (Go) and automated spatial data workflows. – Created interactive analytical dashboards enabling real-time decision-making.

– Delivered an HR decision-support platform with consolidated workforce and training insights. – Implemented ETL workflows integrating multiple data sources. – Developed 9 interactive Power BI dashboards aligned with business needs. – Built descriptive and predictive analytics models supporting strategic decisions.

– Built an executive training management dashboard covering headcount, annual training costs, and completion rates. – Delivered a consolidated view enabling trend analysis and cost optimization for decision-makers. – Implemented ETL workflows to integrate data from source systems into analytical models. – Designed interactive Power BI dashboards using DAX, SQL, and Excel.