Marcilio Ramos
Cloud & Observability Specialist | IoT Engineer
João Pessoa, Paraíba, Brazil
Summary
I don't just keep servers running; I transform raw data into business visibility.
With solid experience in Linux Systems Administration and Observability, my focus is on eliminating guesswork in IT infrastructure. I work on the convergence between Hardware (IoT/Sensors) and Software, creating proactive monitoring ecosystems that anticipate failures before they affect operations.
Intelligent Monitoring
Advanced projects with Zabbix (business dashboards and automation).
Automation
Python scripts for customized solutions and system integrations.
Robust Infrastructure
Virtualization and orchestration with Proxmox and Docker.
IoT Innovation
Integration of sensors and electronics for environmental monitoring.
Tech Experience
HostDime Brasil
Monitoring Manager / System AdministratorSpecialist in Monitoring Architecture, Innovation, and Client Solutions.
- Monitoring Architecture: Design, implementation, and continuous improvement of monitoring solutions using Zabbix, Grafana, and Prometheus.
- AIOps & Automation: N8N workflow automation integrating Zabbix and AI, and BTC trading automation.
- Alerting & Chatbots: Alert integrations via WhatsApp, Telegram, Slack, Google Chats, and Chatbot development with Wpp Connect.
- IoT & Smart Environments: Zigbee IoT and Home Assistant projects, alongside ESP-32/8266 development for flood buoys and parking sensors.
- Infrastructure: Administration of Linux/Windows servers, Proxmox, Hyper-V, VMware, and Zadara Storage APIs.
- Community Leader: Speaker at Zabbix LATAM Conference and local Meetups.
Mr Telecom
Internet of Things Engineer / Tech SupportDevelopment of IoT Solutions Integrated with Zabbix and Grafana.
- Fleet Monitoring: Developed ESP-32 prototypes to monitor fuel levels in older buses without embedded technology.
- Autonomous Retail: Social door automation and refrigerated goods monitoring with ESP-32, integrated into Prometheus/Grafana.
- Healthcare IoT: Heart rate/blood oxygen monitoring (MAX30100) for COVID-19 hospital beds, and vaccine cold room monitoring (DHT11/DS18B20) for the Municipality of Cabedelo.
- Event Tracking: RFID-based people control tool for tourism events using ESP-8266 and RC522.
Prefeitura Municipal de Cabedelo
Senior Systems Administrator / Telecom Tech- Server Administration: Managed Linux-based hypervisors (XenServer, Proxmox), Docker environments, and MySQL/PostgreSQL databases.
- Monitoring & IoT: Deployed cold room monitoring solutions using Arduino/ESP8266 over IP networks. Monitored network assets and business rules with Zabbix.
- Network & Services: Managed Mikrotik, Unifi assets, Samba4 Domain Controllers, pfSense firewalls, and Graylog for logs.
- Infrastructure Projects: Structured cabling and telephony projects for public buildings and health centers.
Zênite Tech
Electronics Technician- Electronic Equipment: Production and repair of cellular interfaces and GPS trackers for vehicles.
RM Engenharia (Telecom)
Telecom Technologist Intern- Data Communications: Maintenance and installation of data circuits, and triage of telecommunications equipment.
- Operations: Main Distribution Frame (MDF/DG) operator and supervisory assistant.
Education
Pós-graduação em Redes de Computadores
ESAB (2017 - 2018)
Tecnólogo em Telecomunicações
IFPB (2006 - 2009)
Técnico em Eletrotécnica
IFPB (2010 - 2013)