Brayam johan Martinez Perez

Led AMI (Advanced Metering Infrastructure) analytics for utility projects covering SEAL and ELPU networks, managing 3,516 smart meters with KPI sustained above 97%. Key achievements: • Built from scratch a Python-based diagnostic suite: anomaly detection (Isolation Forest + EWMA, Z-MAD, Shannon Entropy, Herfindahl Index) and a Digital Twin model processing LP1, LP2, and LP3 records. • Developed a real-time Topological Network Monitor classifying concentrators • Built a Unified KPI Dashboard

Supported maintenance management across national logistics operations, coordinating preventive and corrective maintenance for all operational sites. Key achievements: • Designed and implemented a real-time inspection data flow using Power Apps + Power Automate, automatically notifying site managers upon field updates. • Created 2 new fleet-tracking KPIs monitoring vehicle usage and component wear across sites.

Supported smart metering operations for ENEL (now Enel Distribución Perú), managing telemetry verification and field coordination for large-scale meter networks. Responsibilities: • Registered and normalized customer data in Starbeat (ENEL platform). • Verified telemetry of Elster and EMH meters for free-market clients, regulated mass clients, maximeters and totalizers. • Coordinated field crews to ensure metering telemetry continuity. • Executed meter reading transmission via telemetry for billing process

Supervised low-voltage emergency and maintenance operations for ENEL's metropolitan network in Lima, managing field crews across multiple simultaneous incidents. Key achievements: • Controlled emergency response times to under 4 hours across all incidents. • Implemented a Google-based mobile fuel management app for fleet vehicles, achieving 100% driver adoption. Certifications coordinated: Low-voltage splicing (Empalme BT), work at height, excavation, defensive driving.

Officially recognized in Germany via ZAB Statement of Comparability (Zeugnisbewertung).