Production Engineer with postgraduate specializations in Industrial Automation and Occupational Safety Engineering.

My experience combines industrial automation, IT/OT infrastructure, industrial networking, systems integration, server administration, technical troubleshooting, and cybersecurity practices for operational environments.

Current technical focus:

• IT/OT infrastructure and industrial network architecture;
• industrial automation and process supervision;
• PLC, SCADA, sensor, and field-device integration;
• Modbus RTU/TCP, CAN, MQTT, and OPC UA;
• Cisco switching, VLANs, STP, industrial Ethernet, and network diagnostics;
• Linux, Windows Server, LXD, Docker, and self-hosted services;
• industrial cybersecurity, segmentation, secure remote access, and monitoring;
• Python, PowerShell, JavaScript, and browser-based technical tools;
• lightweight, offline-ready, and edge-oriented solutions.

• PLC programming and troubleshooting;
• Ladder Logic and industrial control systems;
• WEG, Phoenix Contact, Delta, and Schneider Electric platforms;
• Siemens and Allen-Bradley concepts and integration environments;
• process supervision, alarms, events, and operational dashboards;
• Elipse SCADA and Rapid SCADA;
• PLC, sensor, actuator, and field-device integration.

• Modbus RTU and Modbus TCP;
• CAN networks;
• MQTT;
• OPC UA;
• serial and Ethernet-based industrial communication;
• protocol analysis, simulation, data acquisition, and troubleshooting.

• industrial network segmentation;
• Cisco switching and industrial Ethernet troubleshooting;
• VLAN, trunk, EtherChannel, STP, MAC, ARP, ACL, and interface analysis;
• firewall rules and access-control policies;
• secure remote access;
• network and service visibility;
• SIEM and IDS concepts;
• vulnerability awareness and security baselines;
• server, endpoint, and container monitoring;
• practical cybersecurity controls for industrial environments.

Security and network projects in this profile are intended only for systems and networks that the operator owns or is explicitly authorized to test.

Linux Administration       Windows Server             LXD
Docker                     Portainer                  HomeLab
Network Services           DNS and VPN                Firewalls
Monitoring                 Troubleshooting            Automation
Self-hosted Services       Edge Systems               Virtualization

My infrastructure projects prioritize:

• practical troubleshooting;
• low resource consumption;
• simple deployment;
• transparent configuration;
• responsive interfaces;
• operation in restricted or offline networks;
• useful logs and diagnostics;
• clear technical documentation.

Additional technologies and tools:

Cisco IOS / IOS-XE      Modbus TCP / RTU          MQTT
OPC UA                  CAN                       SCADA
HTML / CSS              SQL                       Bash
Flask                   Google Sheets             REST APIs
AutoCAD                 SAP S/4HANA               Data visualization

A time-bounded, read-only PowerShell collector for Cisco Catalyst 9200 and IOS-XE investigations in OT networks.

Key capabilities:

• multi-switch collection through PuTTY Plink;
• uptime, hardware, stack, CPU, memory, environment, and software data;
• interface state, traffic, counters, errors, optics, and err-disable analysis;
• VLAN, trunk, EtherChannel, STP, MAC, ARP, CDP, and LLDP collection;
• port security, authentication, ACL, DHCP Snooping, DAI, IP Source Guard, and storm-control visibility;
• optional focused VLAN and MAC investigations;
• hard timeout per switch with partial-output preservation;
• one consolidated timestamped TXT report.

Technologies: PowerShell · Cisco IOS-XE · Catalyst 9200 · Plink · SSH · OT Networking

A Windows PowerShell Modbus TCP server simulator with a responsive real-time monitoring GUI.

Key capabilities:

• multiple concurrent Modbus TCP clients;
• real-time RX and TX frame visualization;
• packet and byte counters per client;
• active-client monitoring;
• address and value-change tracking;
• persistent holding-register and coil values;
• complete session logs and separate value-change logs;
• support for FC01, FC02, FC03, FC04, FC05, FC06, FC15, and FC16.

Technologies: PowerShell · Windows Forms · C# · Modbus TCP · Industrial Automation

An experimental TCP service-checking toolkit for authorized HomeLab and local-network environments.

Key capabilities:

• checks one or multiple IPv4 targets;
• presets for common, web, remote-access, Windows, database, and industrial/IoT ports;
• clear per-target results and connection timing;
• PHP server-side TCP checks;
• local Windows inspection mode for listening ports, processes, PIDs, and exposure scope;
• copy-ready reports.

Technologies: PowerShell · PHP · HTML · CSS · JavaScript · TCP/IP

A comprehensive PowerShell inventory and diagnostic report generator for Windows 10 and Windows 11.

Coverage includes:

• hardware, firmware, storage, memory, GPU, USB, and PnP devices;
• IP, DNS, routes, Wi-Fi, interfaces, listeners, and active connections;
• software, services, processes, startup entries, and scheduled tasks;
• Defender, firewall, Secure Boot, TPM, BitLocker, and security policies;
• users, groups, sessions, shares, printers, updates, virtualization, and event diagnostics;
• one timestamped UTF-8 TXT report.

Technologies: PowerShell · Windows · WMI/CIM · Networking · Security Diagnostics

A high-throughput, OpenAI-compatible REST API gateway and real-time observability dashboard for Google's Antigravity CLI (agy) with multi-account round-robin load balancing.

Key capabilities:

• full drop-in compatibility with OpenAI /v1/chat/completions (with SSE streaming) and /v1/models;
• multi-account round-robin pool routing across isolated Google accounts to multiply rate limits;
• pinpoint model-prefix routing (p1/, p2/, p3/) or automatic load balancing;
• responsive web dashboard on port 80 with real-time token telemetry and OAuth expiration tracking;
• dynamic profile enabling/disabling from the UI without restarting daemons;
• per-profile semaphore concurrency control to avoid CLI subprocess contention;
• production-ready systemd background service units with Gunicorn multi-worker orchestration;
• drop-in integration with LibreChat, OpenWebUI, LiteLLM, Cursor, and LangChain.

Technologies: Python · Flask · Gunicorn · Antigravity CLI · Shell · Systemd · REST APIs · SSE Streaming

A responsive monitoring and service-management dashboard for Ubuntu, LXD, Docker, and Portainer.

Key capabilities:

• host CPU, memory, swap, storage, and network monitoring;
• LXD instance inventory and resource visibility;
• Docker container and health-status monitoring;
• process and systemd service visibility;
• editable service catalog;
• weather and exchange-rate information;
• responsive mobile interface and multiple themes.

Technologies: Python · Flask · Linux · LXD · Docker · JavaScript · CSS

A responsive, offline-ready browser toolkit with utilities for developers, engineers, scientists, analysts, and IT/OT professionals.

The toolkit covers:

• text conversions and encodings;
• JSON and formatting utilities;
• hashes and developer tools;
• mathematics and finance;
• engineering and unit conversion;
• chemistry and science;
• cybersecurity helpers;
• networking, IoT, and industrial calculations;
• blockchain-related conversions.

Technologies: HTML · CSS · JavaScript · PWA · Offline-First Web

A dependency-free browser application for text conversions, encoding and decoding, hash generation, formatting, and offline developer workflows.

Technologies: HTML · CSS · JavaScript · PWA

A responsive personal-finance and investment dashboard connected to Google Sheets and designed to run without Node.js, npm, a backend, or a build process.

Key capabilities:

• yearly and monthly cash-flow analysis;
• income, expenses, savings rate, and category distribution;
• searchable transactions;
• budgets and financial goals;
• investment positions, allocation, performance, and maturity monitoring;
• static deployment with a published Google Sheets workbook.

Technologies: HTML · CSS · JavaScript · Google Sheets · Data Visualization

A lightweight, mobile-friendly browser application for randomly distributing selected participants among selected locations.

Key capabilities:

• simple participant and location selection;
• balanced random distribution;
• location-specific pages;
• local weather information;
• copy-ready results formatted for WhatsApp;
• static deployment without a database or build process.

Technologies: HTML · CSS · JavaScript · Weather API

A fork used for study, testing, and laboratory work involving SCADA, industrial automation, industrial protocols, and systems integration.

Technologies: SCADA · C# · Industrial Automation · Modbus · OPC

• MBA in Industrial Automation — University of São Paulo, PECE;
• Specialization in Occupational Safety Engineering — University of São Paulo, PECE;
• Production Engineering — Anhembi Morumbi University.

• Google Cybersecurity Professional Certificate;
• Microsoft Azure Fundamentals — AZ-900;
• CCNAv7: Introduction to Networks;
• Python — basic and advanced;
• Big Data Fundamentals;
• JavaScript fundamentals;
• LGPD, privacy, and data protection.

• secure IT/OT architecture;
• industrial cybersecurity;
• Cisco and industrial network diagnostics;
• SCADA and PLC integration;
• industrial protocols and data acquisition;
• local and offline AI for technical operations;
• monitoring for edge and self-hosted systems;
• infrastructure automation;
• repeatable troubleshooting workflows;
• lightweight technical tools for restricted environments.

• Portuguese — native;
• English — fluent;
• Spanish — basic.

Safety before convenience.
Visibility before assumptions.
Simple solutions before unnecessary complexity.
Documentation as part of the solution.
Automation with clear operational control.
Cybersecurity integrated into IT/OT design.