Senior Firmware Engineer
i3 Product Development · Sun Prairie, WI · 2 wk ago
EngineeringFull-time
About the role
This role is ideal for engineers who enjoy technical depth, systems thinking, and cross-functional collaboration. As a senior engineer, you will shape and own firmware architecture, influence key hardware decisions, mentor teammates, and contribute from early concept through product launch. You will strengthen our architectural foundations and establish high engineering standards that scale with the growth and complexity of our projects.
Responsibilities
- Design and develop firmware for embedded products from concept through production
- Write and maintain high-quality C and C++ code
- Develop control algorithms and communication interfaces
- Collaborate closely with electrical engineers on hardware selection, board bring-up, testing, and debugging
- Support system integration and product validation efforts
- Own and evolve firmware architecture and technical direction
- Lead and drive design reviews and cross-functional technical discussions
- Mentor engineers and actively elevate team capability
- Continuously build your skills through varied project work and shared learning
Qualifications
- Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or related discipline
- Seven or more years of professional experience in embedded firmware development, including experience owning complex systems
- Deep proficiency in C and C++
- Experience developing for 32-bit microcontrollers and Single Board Computer platforms
- Experience developing in embedded Linux environments
- Experience using compilers, debuggers, and embedded development tools
- Working knowledge of Real Time Operating Systems
- Comfort using lab equipment such as oscilloscopes, logic analyzers, and digital multimeters
- Strong collaboration skills and a practical understanding of electrical engineering fundamentals
- Experience leading architectural decisions across multiple firmware projects
- Experience establishing or improving engineering standards and development processes
- Strong design documentation and technical communication skills
- Track record of mentoring engineers and raising overall team capability
Nice to have
- Experience with additional programming languages such as C#, Python, or Java
- Experience with communication protocols such as Wi Fi, Bluetooth, CAN, TCP/IP, SPI, or I2C
- Familiarity with tools such as Wireshark
- In-depth knowledge of Linux internals, including bootloaders, file systems, and kernel concepts
- Experience with build systems such as Yocto or Buildroot
- Experience in regulated industries such as medical
Benefits
- Health insurance with a zero-dollar deductible and employee premiums as low as nine dollars per pay period
- Dental and vision coverage
- 401(k) with a dollar-for-dollar match up to six percent
- Employee Stock Purchase Program
- Company paid short- and long-term disability insurance
- Company paid life insurance at two times your annual salary
- Paid time off plus nine paid holidays
- Emergency Assistance Fund