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Lennox Embedded Software Lead Engineer in Carrollton, Texas

Company Overview

Lennox International (LII) is a leading global provider of innovative climate control solutions for heating, ventilation, air conditioning, and refrigeration (HVACR) markets.

Beginning over a century ago, Lennox International has built a strong heritage of Innovation and Responsibility. Our position as an innovation leader continually inspires us to promote more efficient energy use and a healthier environment through our product operations. Our engaged and diverse workforce is committed to providing climate control solutions that provide the most value and comfort for our customers.

We are proud to have instilled a shared sense of responsibility and commitment among our approximately 10,000 employees located throughout North America, South America, Europe, Asia, and Australia.

Job Description


Aa an Embedded Software Lead Engineer , you will design and develop software components for the Controls Engineering organization. You will have an opportunity to lead and collaborate with other engineers to design, plan, develop, and maintain embedded software components.

You will be trusted to:

  • Lead the successful implementation and delivery of embedded software products and components throughout the entire product lifecycle.

  • Have responsibility 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.



  • Bachelors degree required

  • MS in Electrical/Computer Engineering preferred

  • 8 years of professional experience developing embedded software in C/C++.

  • Experienced in the architecture, design, hardware/software integration, and development of embedded software.

  • Experience and familiarity with modern control theory and applications.

  • Experience collaborating in multi-site software development teams and projects.

  • Design and debug experience for peripherals such PWMs, ADCs and timers.

  • Ability to develop unit test driven software components.

  • Experience in technical leadership, project planning, and project tracking.

  • Experience with Real Time Operating Systems (RTOS) software development.

  • 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.

  • Experience in the design of analog and digital circuits and control boards.

  • Familiarity with HVAC, Refrigeration 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) in order 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 off-shore development teams as needed.

  • Self driven, results oriented.


  • Medical, Dental and Vision

  • Outstanding 401(k) with company matching and 1-year bonus

  • Employee Stock Purchase Plan

  • Robust Employee Assistance Program

  • Community involvement opportunities

  • Much, much more

Job Locations US-TX-Carrollton

Requisition # 2020-23695

Category Engineering

Shift / Hours Regular

Lennox International is an Equal Opportunity Employer and supports a diverse, inclusive work environment.

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, transgender status, sexual orientation, national origin, genetics, disability, age, or veteran status.

Applicants with Disabilities

If you are an individual with a disability or a disabled veteran who is unable to use our online tools to search and apply for jobs, you may request a reasonable accommodation by contacting us at Recruitment@Lennoxintl.com

E-Verify Participation

For jobs located within the United States, LII participates in the Electronic Employment Verification Program known as E-Verify.

Please visit the E-Verify website for more information on this program.

Diversity & Inclusion Website