Company

PT Mitra Akses Globalindo (MAGNET)

Firman's professional career has developed through progressively deeper roles at MAGNET — from IoT engineering into research & development and product development.

PT Mitra Akses Globalindo (MAGNET) builds industrial and rural connectivity solutions, including IoT communication platforms that bridge IP and non-IP protocols for sites where standard network infrastructure is unavailable or unreliable.

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  1. Product Development Engineer

    Feb 2025 – Present

    PT Mitra Akses Globalindo (MAGNET)

    Jakarta, Indonesia

    Leads product development for IoT communication platforms and digital radio integrations. Designs system architecture, ERD, and product documentation, and ships integrations that connect IP-based devices with non-IP radio infrastructure.

    • Designed and built AIS Receiver-based vessel monitoring system to meet Indonesian Ministry of Transportation (DJPL) regulations
    • Architected Push-to-Talk over Cellular (PoC) integration with Digital Mobile Radio (DMR), unifying smartphones, laptops, and handy-talky (HT) radios on one platform
    • Built DMR-based IoT Gateway on HT radio frequencies for rural/blank-spot communication and data transmission without internet
    • Implemented Amazon S3 for secure, scalable file storage
    • Managed backend infrastructure on Kubernetes with CI/CD pipeline integration to accelerate deployment cycles
    • Created product documentation, system flow diagrams, and ERDs as engineering references
  2. Research & Development Engineer

    Jul 2023 – Jan 2025

    PT Mitra Akses Globalindo (MAGNET)

    Jakarta, Indonesia

    Research and prototyping of next-generation IoT communication solutions for industrial and rural deployments, bridging IP and non-IP networks through DMR radio, GPS, and OBD2 vehicle data.

    • Developed IoT communication solutions using Digital Mobile Radio (DMR) with handy-talky (HT) frequencies, reaching tens of kilometers without internet
    • Built dispatcher dashboard application for live human and fleet tracking in plantations and mining (blank-spot areas)
    • Created application reading GPS and vehicle engine data through OBD2 systems
    • Built DMR link-quality monitoring application to track HT radio frequency quality
    • Managed Linux servers supporting the applications and implemented CI/CD with Jenkins for faster development cycles
  3. IoT Developer

    Jul 2023 – Jan 2025

    PT Mitra Akses Globalindo (MAGNET)

    Jakarta, Indonesia

    Built end-to-end IoT systems across edge, gateway, and cloud layers. Designed MQTT topics, deployed monitoring dashboards, and administered the Linux backend.

    • Studied and applied end-to-end IoT system architecture (edge devices → gateway → server) and operations
    • Configured MQTT protocol with Eclipse Mosquitto broker, including topic structure and QoS levels
    • Created Node-RED flows for sensor data ingest, processing, and routing
    • Developed firmware on Raspberry Pi, ESP32/ESP8266, and Arduino for data acquisition and MQTT publishing
    • Built real-time monitoring dashboards and alerting with Grafana; monitored infrastructure with Zabbix
    • Set up and managed Linux servers (service installation, service management, basic logging) as monitoring backend