Power Electronics Firmware Engineer

Who We Are

Lennox (NYSE: LII) Driven by 130 years of legacy, HVAC and refrigeration success, Lennox provides our residential and commercial customers with industry-leading climate-control solutions. At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services. Our culture guides us and creates a workplace where all employees feel heard and welcomed. Lennox is a global community that values each team member’s contributions and offers a supportive environment for career development.

Come, stay, and grow with us.

Innovate your career.

When you choose Lennox, you're getting the best.

When you work at Lennox, you’re among the best.

As a leading innovator of home and commercial, heating, cooling, refrigeration, air‑quality, and related services, Lennox International is committed to helping our people innovate our products and their careers.

This position calls for an experienced, knowledgeable, and talented engineer to design and develop software components for the Controls Engineering organization
. As a Software Design Engineer, you will have an opportunity to lead and collaborate with other engineers to design, plan, develop, and maintain embedded software components.

• Responsible for the successful implementation and delivery of embedded software products and components throughout the entire product lifecycle.
• Responsible for project deliverables on time and with high quality.
• Assure proper technical requirement definition with internal and external customers, marketing, manufacturing, and other support groups.
• Actively participate in the definition and implementation of new processes and improvements.
• Identify and create new technologies and ideas to increase the organization’s intellectual property and to better address customer needs.
• Participate in technical feasibility analysis and prototyping activities.

#LI-onsite #LI-JM1

Education Requirements:

• Bachelors/Masters in Electrical Engineering with a specialization in Power Electronics is required.

Technical

Skills:

• 5+ years of professional experience developing power/motor control firmware using C/C++ and model‑based design using tools such as MATLAB Simulink.
• Experienced in the architecture, design, hardware/software integration, and development of embedded software to interface and control power electronic convertors.
• Design experience with power invertors, PFCs on TI microcontrollers 28027, 28062F, 280025 or equivalent microcontrollers is required.
• Design and debug experience for peripherals needed for motor control such PWMs, ADCs and timers.
• Experience in the design of analog and digital circuits and control boards.
• Experience and familiarity with modern control theory applied to power domain.
• Experience collaborating in multi‑site software development teams and projects.
• Ability to develop unit test driven software components.
• Experience with Real Time Operating Systems (RTOS) software development.
• Familiarity in technical leadership, project planning, and project tracking.
• Familiar with serial communication protocols (I2C, RS‑485, RS‑232, CAN, SPI).
• Familiar with industry standard embedded design and debugging tools (JTAG, protocol analyzers, emulators).
• Familiar with Configuration Management tools (Version control, bug tracking, change management, automated builds, and coding standards).
• Familiarity with static and dynamic analysis software tools.
• Experience developing in Waterfall and Iterative Software development processes.
• Familiarity with HVAC control systems.

Teaming/

Soft Skills:

• Excellent verbal and written communication skills.
• Ability to effectively communicate with both technical and non‑technical staff.
• Ability to collaborate across multiple functional teams (Hardware, Testing, Technical Support, Manufacturing) to deliver sound technical solutions to our customers.
• Demonstrate ability to drive product and process improvements throughout the software organization.
• Ability to work with third parties and offshore development teams as needed.
• Self‑driven, results oriented.

Compensation
:

This is a salaried exempt role. The…