Firmware Engineer I
NeptuneAlabama, United States • Georgia, United States
Posted October 24, 2025
Full Time
About the Company
Neptune Technology Group Inc. is a leading technology provider for the water utility sector, delivering smart water metering, advanced meter reading (AMR), and advanced metering infrastructure (AMI) solutions to more than 4,000 North American utilities. With a heritage spanning over 12 decades, Neptune combines deep industry expertise with cutting‑edge hardware and software to transform raw water data into actionable insights through a connected, interoperable network. The company’s hallmark is its customer‑centric design philosophy, which anticipates utility needs, accelerates technology adoption, and safeguards water quality. Neptune’s commitment to stewardship and innovation positions it as a trusted partner for utilities seeking to modernize operations, improve resource efficiency, and meet evolving regulatory demands.
Job Description
The Firmware Engineer I is responsible for the design, development, and implementation of new products as well as engineering support for existing products.
Requirements
- Excellent C/C++ programming skills with experience in embedded system design and development
- Experience in debugging embedded systems
- Experience with embedded firmware development tools such oscilloscopes, spectrum analyzers, DC power analyzers, logic analyzers, and protocol analyzers
- Experience with designing and developing RF products for public and proprietary networks
- Experience with ARM Cortex-A7/A8/A9 processors
- Experience with ARM Cortex-M3/M4/M33, 8051, and MSP430 microcontrollers
- Experience with Keil, IAR or equivalent IDEs/compilers
- Knowledge of wireless communication techniques and associated protocols such as LoRaWAN, Bluetooth Smart (BLE), cellular communication (LTE)
- Familiarity with low power design practices for battery powered devices
- Familiarity with serial communication protocols such as UART, SPI, I2C
- Familiarity with security-related aspects and best practices associated with embedded system development including cryptographic algorithms, authentication protocols, secure boot, ARM TrustZone, etc.
- Ability to read and understand hardware schematics
- Experience with JIRA or other issue tracking software
- Experience with TeamCity or other continuous integration platforms
- Experience working in an Agile development environment (Scrum/XP)
- Experience with unit testing and unit testing frameworks/tools such as CppUTest and Unity
- Excellent documentation practices and communication skills
- Commitment to maintaining project schedules and delivering tasks on time
