Senior Internet of Things Engineer

5 hours ago

Chennai, Tamil Nadu, India Aeternus Energy Full time ₹ 12,00,000 - ₹ 36,00,000 per year

Job Description:

We are looking for an experienced
IoT Engineer
with over 10 years of expertise in designing, developing, and deploying IoT-based solutions specifically focused on
Battery Management Systems (BMS)
and
Energy Management Systems (EMS)
.

The ideal candidate will have a strong background in embedded systems, communication protocols, cloud integration, and real-time data analytics to enable seamless connectivity, monitoring, and control of distributed energy assets.

Key Responsibilities:

  • Design and develop
    IoT architecture
    for BMS and EMS applications, including device firmware, gateway communication, and cloud integration.
  • Implement
    real-time monitoring, diagnostics, and data acquisition
    from lithium-ion and other battery systems.
  • Develop and integrate
    embedded firmware
    for microcontrollers and edge devices (ESP32, STM32, Raspberry Pi, Arduino, etc.).
  • Work on
    IoT communication protocols
    (UART, MQTT, Modbus, CAN, BLE, Zigbee, LoRa, RS485, TCP/IP) for device-to-cloud and device-to-device communication.
  • Collaborate with the hardware, software, and cloud teams to build end-to-end connected energy systems.
  • Develop
    data pipelines
    for telemetry, fault detection, and energy analytics using cloud or on-prem platforms.
  • Interface with
    cloud platforms
    (AWS IoT, Azure IoT, Google Cloud IoT, or custom MQTT brokers) for device management and telemetry processing.
  • Participate in
    system architecture design
    , ensuring scalability, reliability, and cybersecurity compliance.
  • Integrate
    machine learning and AI models
    for predictive maintenance and smart energy optimization.
  • Prepare documentation for IoT workflows, APIs, firmware updates, and device configuration.
  • Work closely with R&D and field teams to support prototyping, testing, and deployment of BMS/EMS solutions.

Technical Skills Required:

1. Embedded & Firmware Development:

  • C/C++, Python, or Embedded C
  • Experience with microcontrollers (ESP32, STM32, ARM Cortex, Raspberry Pi, Arduino)
  • RTOS, FreeRTOS, and firmware OTA update implementation

2. Communication Protocols:

  • UART, CAN, RS485, Modbus (RTU/TCP), MQTT, Zigbee, BLE, LoRa, TCP/IP, HTTP/HTTPS
  • Hands-on with data acquisition from sensors, battery packs, and energy meters

3. IoT & Cloud Integration:

  • AWS IoT Core, Azure IoT Hub, or Google Cloud IoT
  • MQTT Brokers (Mosquitto, EMQX, HiveMQ)
  • RESTful APIs, WebSockets, and JSON data handling

4. Battery & Energy Domain Expertise:

  • Understanding of
    Battery Management Systems (BMS)
    – SOC/SOH algorithms, cell balancing, data logging, fault management
  • Knowledge of
    Energy Management Systems (EMS)
    – load control, demand response, renewable integration, and grid synchronization
  • Familiarity with
    power electronics
    ,
    Li-ion chemistry
    , and
    battery communication protocols

5. Software & Tools:

  • Python, , or JavaScript for backend or edge scripting
  • Docker, Kubernetes, and CI/CD for IoT deployments
  • Grafana / InfluxDB / ThingsBoard / Node-RED for dashboards and data visualization
  • Git, Jira, and version control workflows

Qualifications:

  • Bachelor's or Master's degree in
    Electronics Engineering, Electrical Engineering, IoT, Computer Science, or Mechatronics
    .
  • 10+ years of professional experience in IoT, Embedded Systems, or Energy Tech development.
  • Proven track record in
    BMS and EMS IoT integrations
    .
  • Strong analytical and problem-solving skills.
  • Excellent understanding of hardware-software integration and real-time system design.

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