Embedded Software Engineer
📌Milwaukee, WI, United States 🇺🇸
⏱︎ full-time
🧙♂️ mid-level
hybrid
At Johnson Controls, we transform the environments where people live, work, learn, and play. From optimizing building performance to improving safety and enhancing comfort, we drive the outcomes that matter most. Dedicated to protecting the environment, we deliver our promise in industries such as healthcare, education, data centers, and manufacturing. Johnson Controls is developing the next generation of smart and connected systems. Through a full range of systems and digital solutions, we make buildings smarter. A smarter building is safer, more comfortable, more efficient, and ultimately more sustainable.
Join our team as a senior embedded software engineer to develop firmware for Building Automation System Equipment Controls products enabling our global customers to optimize their comfort, energy usage, building operation costs, safety, and security within their buildings. You will be working with firmware, hardware, test, and manufacturing engineers globally to deliver and maintain the next generation of equipment controls and displays. This position requires a self-motivated individual capable of working under minimal direction in a collaborative and innovative environment. This position does require you to go onsite a few days a week. Candidates must be commuting distance to the Glendale, WI, office, or able/willing to relocate.
How You Will Do It
- Document and develop designs and C-based code for new product features
- Be a technical leader and subject matter expert of your assigned product features
- Participate in the review and approval of new product requirements
- Provide general reviews of hardware designs, schematics, and layouts
- Provide thorough detailed reviews of firmware designs and code
- Provide input for and reviews of test strategies and test plans
- Develop automated testing for maintaining functionality through continuous integration
- Participate in and provide direction for process improvement
- Be able to train and mentor less experienced engineers
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Provide technical content for and reviews of product literature
Required
- BS or MS in Electrical Engineering, Computer Engineering, or a closely related discipline
- 4+ years of experience developing firmware using C/C++
- Working knowledge of RTOS, preferably FreeRTOS or Unison, and threading within multitasking systems
- Proven ability to provide technical leadership for small teams
- Proven ability to mentor less experienced engineers
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Strong analytical skills, with the ability to generate creative solutions to overcome difficult challenges
- Experience with ARM Cortex-M MCUs, Renesas RX MCUs, and 32-bit microcontroller architecture
- Experience with the i.MX line of ARM Cortex MPUs and embedded Linux
- Software Debugging experience in an IAR development environment
- Experience with Git/GitHub, CMake, automated test tools, and Jira
- Python programming experience
- Working knowledge of BACnet and IP communications
- Working knowledge of serial communication protocols including I2C, SPI, CAN, USB, and RS-485
- Working knowledge of product security concepts such as secure boot, secure update, and secure communications
- Knowledge of embedded controls hardware, circuits, hardware development, and debugging tools
- Knowledge of Scrum/Agile
Senior Embedded Software Engineer
@ Embedd 
What we're looking for
At embedd.it, we power hardware-software integration in embedded devices. We turn fragmented semiconductor chip data into configurable digital twins, then deterministically generate code, tests, and documentation – making integration faster, cheaper, and resilient to supply chain shocks.
We’re looking for a true legend – someone with abstract thinking and deep expertise in low-level software development. You’ll build vendor-agnostic tooling for MCU and peripheral integration to solve hardware-software integration once and for all. We work at the intersection of embedded systems, code generation, compilers, and machine learning. It’s your chance to help redefine how low-level development is done.
Responsibilities
- Drive the architecture of the driver structures and system layout
- Define scalable patterns for cross-architectural integration across bare-metal, Zephyr, Linux, and other environments
- Deconstruct complex SoC device trees and translate hardware descriptions into structured internal models for automated reasoning
- Partner with the ML team to shape data and annotation models for AI-driven data-extraction tooling
Qualifications
- 5+ years of experience in embedded systems development, including bare-metal and RTOS-based systems
- Proficiency in C/C++
- Familiarity with firmware configuration, SoC bring-up, and system-level debugging
- Hands-on experience with code generation tools, or low-level compiler/decompiler/emulator technologies
- Strong background in embedded toolchains: compilers, linkers, debuggers, and build systems
- Python or scripting for automation and tooling is a plus
- Experience with functional-safety standards is a plus
Why embedd.it?
- Dynamic, venture-backed team of engineers challenging the status quo 🚀
- Work at the intersection of embedded systems, code generators, compilers, and ML 🤖
- Unusual challenges requiring out-of-the-box abstract thinking 🧠
- Competitive compensation: cash + equity 💰
- Remote work possible 🌍
About Us
embedd.it is a UK-based startup reinventing embedded development. Our platform transforms unstructured semiconductor data into structured digital twins, enabling automatic generation of drivers, tests, and documentation. We're building a single, traceable source of truth to make integration fast, vendor-agnostic, and future-proof.
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Employment
⏱︎ full-time
-
Experience
🧙♂️ mid-level
-
Working model
hybrid
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Skills
-
Industry
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