Who We Are Thank you for your interest in Mueller Water Products, Inc. For more than 165 years, Mueller Water Products, Inc. has been building the future of water infrastructure. From lifesaving fire protection to data intelligence, we are committed to developing products and solutions that help cities and utilities deliver clean, safe drinking water to hundreds of millions of people across North America. Our purpose is to connect communities to water, life’s most essential resource, with exceptional, people solutions and products. Behind that purpose is a dedicated team, united by our shared values of respect, integrity, trust, inclusion and safety. With a vision to be the leader in water infrastructure solutions—solving challenges, enriching lives and safeguarding the future—we are making a positive impact that will last for generations. By joining Mueller, you become part of a dynamic team dedicated to excellence and innovation, working collaboratively to achieve meaningful results. We champion our people because when they succeed, our communities thrive. Vacancy Disclosure: This posting is for an existing vacancy within our organization that we are actively seeking to fill.
Firmware Developer III Description We are looking for a motivated team player to be part of our embedded software design team, where they will play a key role in designing, developing, and enhancing our industry-leading IoT water network products. Our products are deployed in large numbers globally and assist our customers in managing critical water infrastructure. The successful candidate will have a passion for developing embedded software systems; a keen eye for reliable embedded software design, and the methodologies needed to achieve it; and a tenacity for problem solving and debugging, leaving no stone unturned in the pursuit of quality and performance. Collaborating with internal stakeholders and a multi-disciplinary engineering team, they will help to guide our products through every step of the design lifecycle: from inception all the way through sustaining engineering.
Required Education & Experience Bachelor’s degree in electrical & electronics engineering, computer science, or similar degree 6+ years of experience in firmware development 4+ years of experience with embedded C programming language
Required Knowledge, Skills, Abilities and Other Competencies Working knowledge of the internal architecture of MCUs to enable making use of a variety of peripherals




Working knowledge of hardware to facilitate integration efforts, including reading hardware schematics and using test equipment like oscilloscopes, logic analyzers, signal generators, and power supplies
Ability to understand binary protocols and comfortable working with binary data
Experience with multi-threaded programming
Familiarity with Linux
Experience with source code management/versioning tools and practices
Familiarity or interest in using AI-assisted coding and testing tools (e.g., GitHub Copilot or similar) to accelerate development and improve quality
Ability to produce detailed technical documentation
Strong problem solving and analytical skills
Demonstrably excellent organizational, communication and interpersonal skills
Ability to work both independently and as a team contributor
Candidate must be eligible to travel to the United States and maintain a valid passport
Experience with audio signal processing
Experience writing production code on Digital Signal Processors
Experience with Python and MATLAB/Octave
Working experience with FreeRTOS
Experience with ARM Cortex-M family of MCUs
Experience with GPS/GNSS and cellular modem modules
Experience with battery operated and low power applications
Experience with TCP/IP
Experience within an Agile development environment
Experience applying AI/LLM-based tools for embedded code generation, code review, or automated test case generation
Responsibilities Provide input to design architecture and system requirements
Implement detailed designs based on provided requirements
Provide advice on technical problems and review project work for technical accuracy and adequacy
Firmware (embedded software) development based on system requirements. This includes code development, unit test development, as well as design and development documentation
Development level testing throughout the implementation process which includes code debugging and participating in code reviews
Debugging code by incorporating hardware signals and lab equipment




Production level code debugging to find the root cause of and fix bugs that occur infrequently and only on statistically significant sample sizes (1000+ devices)
Produce well documented and easy to read code
Support products from release to quality assurance through to field trials and production including fixing bugs reported by QA
Generation of BSPs and chip drivers
Leverage AI-assisted development and testing tools (e.g., code generation, code review, and automated test generation assistants) to improve development velocity, code quality, and test coverage
Participate in an Agile development environment
Other duties as assigned
Working Conditions Office Environment Travel up to 1-2 weeks per year
Salary/Pay Range $80,026.00-$110,009.00 CAD The compensation range above reflects a good-faith estimate of starting base pay for full-time (40 hours per week) employment as of the date of posting. Individual compensation may vary depending on a variety of factors, including, but not limited to, the role, skilled experience, job-related skills, achievements, and/or work location. The range listed is only one component of the total compensation package offered to candidates.
Other Compensation & Benefits Medical, dental, and vision insurance
Retirement plan with 5% company match
Employee Stock Purchase Plan (ESPP)
Short-term and long-term disability benefits
Paid time off
Pregnancy & Parental Leave Top Up
Tuition reimbursement
an Employee Assistance Program (EAP), and more.
Accommodation If you require accommodations during any stage of the application or interview process, please let us know. We are happy to work with you to meet your needs.
Mueller Water Products is Where Intelligence Meets Infrastructure® Mueller Water Products, Inc. (www.muellerwaterproducts.com) is a leading manufacturer and marketer of products and services used in the transmission, distribution and measurement of water in North America. Our broad product and service portfolio includes engineered valves, fire hydrants, pipe connection and repair products, metering products, leak detection, and pipe condition assessment. We help municipalities increase operational efficiencies, improve customer service and prioritize capital spending, demonstrating why Mueller Water Products is Where Intelligence Meets Infrastructure®. Mueller Water Products brands include Mueller®, Echologics®, Hydro Gate®, Hydro-Guard®, HYMAX®, Jones®, Krausz®, Mi.Net®, Milliken®, Pratt®, Pratt Industrial®, Singer®, and U.S. Pipe Valve & Hydrant.

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📌 Firmware Developer III (Ontario)
🏢 Mueller Water Products
📍 Ontario