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Hi, I'm Alexander Castillo 👋

Electromechanical Engineer · Industry 4.0 · OT/IT Integration

Engineer with hands-on experience in industrial automation, railway systems maintenance, and water treatment infrastructure across central America. Now bridging operational technology (OT) and data science to build smarter industrial systems.

Currently completing a Master's in Industry 4.0, Digitalization and Applied AI at Universitat Politècnica de Catalunya (UPC)


🔧 What I Build

  • Predictive Maintenance Systems → ML pipelines on IIoT sensor data, deployed to Azure ML
  • Industrial PLC Automation → Control logic for manufacturing processes using CODESYS and IEC 61131-3
  • Process Simulation → Discrete event models for operational analysis using FlexSim

🏆 Featured Projects

Project Stack Description
Autonomous Bottling Line — PLC Control CODESYS · IEC 61131-3 Sequential control logic for an industrial bottling line. Ladder diagram and structured text programming per OEM standards.
Bus Queue Simulation FlexSim Discrete event simulation of urban transit stop dynamics. Models passenger arrival, service intervals, and queue behaviour under variable demand.
Smart Manufacturing — Predictive Maintenance Python · scikit-learn · Azure ML ML model predicting equipment failure from IIoT sensor data (vibration, temperature, acoustic signals). End-to-end: EDA → training → cloud deployment.
ROS Mobile Robot ROS · Python · Linux Autonomous navigation fundamentals: node architecture, topic communication, and basic motion control. (In progress)

🛠 Tech Stack

Industrial OT

CODESYS PLC SCADA FlexSim ROS

Data & AI

Python Azure ML scikit-learn Pandas SQL

Tools

Git Linux AutoCAD


🎓 Education & Certifications

Master's in Industry 4.0, Digitalization and Applied AI Universitat Politècnica de Catalunya (UPC) · 2025 – Present → Data analytics · Digital twins · IoT systems · Applied AI

Bachelor's in Electromechanical Engineering Universidad Tecnológica de Panamá · 2015 – 2021

Microsoft AI-300 — MLOps Engineer Associate (In progress)


💼 Industry Background

Before moving into Industry 4.0, I spent 4 years working in demanding industrial environments:

  • Rolling Stock Technician — Alstom (Metro de Panamá): Overhaul and maintenance of a 26-vehicle railway fleet. Bogies, wheelsets, braking systems, traction, and HVAC. NDT inspections. 99% fleet availability target.

  • Application Engineer — Barriles S.A. / Xylem Inc.: Automation, electrical design, and field support for industrial water treatment systems across 30+ client sites in Panama and Costa Rica.


📫 Let's Connect

LinkedIn Email


🌍 Panama · Open to EU opportunities
🎯 Targeting: Industry 4.0 Engineer · Industrial Data Analyst · OT/IT Integration Specialist

Pinned Loading

  1. DES-FlexSim-EstaciondelNord DES-FlexSim-EstaciondelNord Public

    Discrete Event Simulation of passenger queuing and bus frequency optimization at Barcelona's Estació del Nord · FlexSim · Industry 4.0 · UPC

  2. PLC-CODESYS-BottlingLine PLC-CODESYS-BottlingLine Public

    Modular automated bottling line simulation in CODESYS using Structured Text and Ladder Logic · CODESYS · PLC · Industry 4.0