Firmware Engineer Senior - Hybrid - U.S

Acuity Inc. (NYSE: AYI) is a market-leading industrial technology company. We use technology to solve problems in spaces, light and more things to come. Through our two business segments, Acuity Brands Lighting (ABL) and Acuity Intelligent Spaces (AIS), we design, manufacture, and bring to market products and services that make a valuable difference in people’s lives.

We achieve growth through the development of innovative new products and services, including lighting, lighting controls, building management solutions, and an audio, video and control platform. We focus on customer outcomes and drive growth and productivity to increase market share and deliver superior returns. We look to aggressively deploy capital to grow the business and to enter attractive new verticals.

Acuity Inc. is based in Atlanta, Georgia, with operations across North America, Europe and Asia. The Company is powered by approximately 13,000 dedicated and talented associates. Visit us at

Work location:

• This position may be based anywhere in the United States and includes travel as part of the responsibilities.

We are seeking a Senior Firmware Engineer to design, develop, and enhance embedded systems for our next generation of lighting control products. The ideal candidate will have a strong background in embedded C programming and a solid understanding of secure firmware design principles, with experience in bare metal, RTOS, and embedded Linux development. This role will work closely with cross-functional engineering, product and manufacturing teams to deliver high-quality, robust, and secure firmware solutions from concept to production.

• Design and implement firmware for new lighting control products, from concept through production.
• Maintain and enhance firmware for existing product lines to improve performance, reliability, and security.
• Participate in cross-functional product design teams (hardware, software, QA, manufacturing) to ensure product success.
• Evaluate and recommend new technologies, components, and tools that can be integrated into future designs.
• Develop and maintain firmware architecture, specifications, and validation plans.
• Implement secure bootloaders, firmware updates (OTA), and data protection mechanisms to ensure product security and integrity.
• Develop and maintain unit and integration tests to ensure firmware reliability.
• Provide technical support for manufacturing, testing, and field deployment of products.
• Lead and actively participate in code and design reviews.
• Contribute to project planning and estimation, ensuring timely delivery of firmware deliverables.

Required Experience and Knowledge:

• 5+ years of Embedded C Programming (microcontroller bare metal and RTOS).
• Experience with unit testing frameworks and automated test workflows.
• Ability to read and follow schematics, and collaborate closely with hardware engineers.
• Must work well independently and in a team environment, be detail oriented, thorough in investigation, and produce robust solutions.
• Demonstrated ability to devise novel technical solutions, apply lateral thinking, challenge existing practice, and add new functionalities to existing products or start new product categories.
• Excellent documentation, communication, and problem-solving skills.

Preferred Experience:

• Python scripting for test automation or data analysis.
• Experience developing for Embedded Linux platforms, including device drivers, kernel modules, and system bring-up.
• Strong understanding and use of RTOS (Real Time Operating Systems).
• IP research and analysis.
• Direct experience in lighting control, building automation, or industrial control product development.
• Azure Dev Ops Experience or similar CI/CD and project management tools.

Bachelor’s degree in Engineering or equivalent experience.

You’ll be part of a team that’s shaping the future of smart lighting. We value innovation, technical excellence, and a culture of continuous improvement where engineers have real ownership and impact across the full product lifecycle.

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The range for this position is $…