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Fion EnergyPosted 3 months ago

IoT Platform Engineer - Energy Systems (f/m/d)

$70,000–$100,000 year

HybridBerlin, State of Berlin, Germany

Full TimeStartup

Job Summary

Design and co-architect the end-to-end IoT platform for industrial energy storage and PV systems, managing cloud data streams, control logic, and edge device integrations across peak shaving, self-consumption, and spot market trading. Deploy and maintain production IoT/edge devices using Linux, industrial protocols like Modbus and MQTT, and embedded Linux tools such as Yocto or Buildroot. Work directly with the CTO to shape greenfield architecture, balancing strategic planning with hands-on implementation for a startup environment.

Required Qualifications

  • 5+ years of professional software engineering experience
  • Hands-on experience deploying and managing IoT or edge devices in production
  • You've dealt with the reality of physical hardware in the field
  • Strong Linux skills
  • Experience with at least one device integration over industrial protocols (Modbus, MQTT, OPC-UA, or similar)
  • An ownership mindset- you want to shape the platform, not just implement tickets

Desired Qualifications

  • Energy domain knowledge - you understand power, energy, phases, and how the grid works
  • Experience with fleet management - OTA updates, device monitoring, remote debugging across many sites
  • Familiarity with embedded Linux (Yocto, Buildroot, or similar) and containerized edge deployments
  • Experience evaluating and selecting industrial edge hardware
  • Experience with cloud IoT platforms (AWS IoT, Azure IoT Hub, or similar)
  • Go, Rust, or Java in an IoT/systems context
  • German language skills (our customers and partners are German)

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