Firmware Designer

Maryville, Tennessee

Rose International
Job Expired - Click here to search for similar jobs


• Only qualified Firmware Designer candidates located near the Maryville, TN to be considered due to the position requiring an onsite presence




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).




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).


    Firmware Designer 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


    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


    Additional Details:


    Hybrid work schedule, some flexibility once trained up on the role.


    With embedded firmware you often need access to expensive test instruments/lab facilities which make on-site work necessary at times. Also, I hold weekly on-site staff meetings (Monday 9:00 to 10:15). Aside from this, we are flexible.

    • Only those lawfully authorized to work in the designated country associated with the position will be considered.

    • Please note that all Position start dates and duration are estimates and may be reduced or lengthened based upon a client's business needs and requirements.




  • Benefits:

    For information and details on employment benefits offered with this position, please visit here . Should you have any questions/concerns, please contact our HR Department via our secure website .


    California Pay Equity:

    For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here .


    Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances.


    If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department .


    Rose International has an official agreement (ID ), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).




    Date Posted: 02 September 2024
    Job Expired - Click here to search for similar jobs