Principal Embedded Firmware Engineer
Job in
Brown Deer, Milwaukee County, Wisconsin, USA
Listed on 2026-02-24
Listing for:
CRC
Full Time
position Listed on 2026-02-24
Job specializations:
-
Software Development
Embedded Software Engineer, Embedded Systems / Firmware
Job Description & How to Apply Below
We are seeking a senior embedded engineer to own firmware architecture across CRC’s embedded product portfolio, including both existing and next-generation platforms. This role is the primary technical authority for embedded firmware, responsible for defining system architecture, coding standards, and development practices for safety-critical, regulated HVAC control products.
You will lead system-level firmware design, partner closely with hardware and systems engineering, mentor engineers through technical leadership, and bring structure and predictability to how firmware is developed, released, and sustained.
Key Responsibilities- Own firmware architecture across multiple embedded product lines, including legacy and new platforms
- Define and document system-level architecture, interfaces, and design assumptions
- Establish firmware patterns, structure, and standards used across the team
- Lead board bring-up for microcontroller and embedded platforms
- Develop high-reliability embedded C/C++ firmware for real-time control, sensor processing, and communications
- Support both bare-metal and OS-based systems (e.g., FreeRTOS, Embedded Linux)
- Collaborate closely with hardware engineering during schematic review, bring-up, and integration
- Debug complex system-level issues using scopes, logic analyzers, and protocol analysis tools
- Serve as CRC’s primary technical authority for firmware design decisions and tradeoffs
- Lead firmware development from concept through production and sustainment
- Mentor and review the work of junior and mid-level engineers
- Drive disciplined code review, release, and configuration control practices
- Own and evolve the embedded software development lifecycle (SDLC)
- Work cross-functionally with hardware, systems, manufacturing, and quality teams
- Develop production programming tools, diagnostics, and test utilities
- Support sustaining engineering, field investigations, and root-cause analysis
- Contribute to verification, validation, and product launch readiness
- Improve firmware reliability and maintainability across product life cycles
- Bachelor’s degree in Computer Engineering, Software Engineering, Computer Science, or similar
- Typically 6+ years of embedded firmware development experience across multiple product cycles
- Demonstrated ownership of embedded system architecture and technical direction
- Expert-level proficiency in embedded C/C++
- Strong understanding of microcontroller architecture, timing, memory, and interrupts
- Hands-on experience with embedded communication protocols (I2C, SPI, UART, RS-485)
- Skilled with embedded debugging tools and lab equipment
- Comfortable with hands-on lab work (probing, soldering, test setups)
- STM
32 or similar MCU platforms - Embedded Linux or custom Linux distribution experience
- RTOS scheduling and deterministic system design
- HVAC controls or industrial automation experience
- BACnet or building automation protocols
- Touchscreen UI development (Qt/QML)
- Lightweight embedded storage (e.g., SQLite)
- Experience improving internal development processes or SDLC
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