Firmware Engineer

2 weeks ago

Maryville, United States Integration International Inc. Full time

Location: Maryville, Tennessee


Description:

In this position you will develop and support software and firmware for wireless tank level monitoring systems. These are branded as “Centeron”, and we have been selling them since about 2007. The systems are part of a state-of-the-art IIoT solution set for managing tank levels in applications such as fuel and lubrication products distribution, propane tank service, and chemicals management. These systems interact with our on-site data center and web application platform (WebView).

The detailed development tasks will involve writing, testing, and documenting software/firmware for IIoT systems with the following features:

  • Tank level measurement (various sensor types)
  • Battery operation
  • FOTA (Firmware Over the Air update) support
  • Encryption/Security features
  • Event logging


You will be working with a team of engineers to develop and support the monitoring product line. You will also interact with a Web Data Center development team to integrate the monitoring products into our overall solution offerings. In addition to communication and documentation skills, the technical skills required for this position include:

  • 32-Bit embedded programming
  • C languages
  • RTOS
  • Security concepts (encryption, authentication, non-repudiation)
  • Battery operated devices (power management)


Qualifications:

The ideal candidate will have at least 1 year of experience with (not all mandatory, but preferred):

  • Embedded software development using C or C++ on STM32 and PIC18 processors.
  • Embedded software development tools such as ST Cube, IAR, Keil, MPLAB and XC compilers, or similar development environments.
  • RTOS and multithreading.
  • IP networking, IoT, M2M, or similar concepts as well as cellular SMS
  • Embedded cellular modem communication, particularly LTE CAT-M1 and NBIoT
  • Serial communications (UART, SPI, I2C)
  • Battery operated / Low power systems.
  • Understanding hardware design schematics as it related to firmware development.
  • Additional experience that may be useful:
  • Industrial sensor measurements: voltage, current, magnetic, capacitance, time, time of flight
  • Radio networks (cellular, especially LTE, 802.15.x, Bluetooth, Bluetooth Low Energy,)
  • Coding standards and best practices
  • Microsoft Visual Studio .NET (C#), Python, or similar application development tools

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