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Lennox Mobile Software Engineer II 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


This position is located at our premier Product Development & Research (PD&R) facility in Carrollton, TX. Working on new product initiatives providesa large opportunity to innovate intellectual properties. As of October 2019, PD&R is approaching upon 700 patents issued. Lennox International (LII) has rewarding practices for engineers who bring creativity and innovation to our products. Advanced Controls and User interfaces (through mobile applications) is a key differentiator from our competitors. As such our organization has continued to grow as the demand for this technology grows in the market.


As a Software Engineer, you will design, develop and maintain mobile applications and embedded software components for the Engineering Controls group. You will createthe latest mobile apps and advanced graphic user interfaces for all of our Residential and Commercial products. In this role, youwill also collaborate with global teams to create best in class mobile applications.

Clickto see what exciting technology our engineers are working on.


At Lennox, we realize that our greatest assets are our employees. This is why we are committed to providing limitless opportunities for growth and development of all our employees, largely promoting from within the organization. Our Software Engineer position is ideal for anyone looking for a technically challenging career with long term growth possibilities.


  • Competitive base salary

  • Yearly performance bonus

  • Medical / Dental / Vision

  • Excellent 401K Matching Program – Additional Company Contributions After 1 Year of Service!

  • Stock Purchase Program

  • Community involvement opportunities

  • Robust Employee Assistance Program

  • Relocation assistance is available

  • And much, much more!



  • BS/MS in Computer/Electrical Engineering, Computer Science.

Technical Skills

  • Minimum of 2 years of professional experience designing and developing mobile applications for iOS or Android.

  • Minimum of 2 years of experience leading other engineers in the design and development of mobile applications.

  • Knowledge of object-oriented programming methodologies.

  • Proficient in Java, Android Studio, Xcode, JSON, HTML, C, C++, Objective-C.

  • Experience building clients on top of RESTful JSON-based APIs.

  • Familiarity with key Operating System concepts such as multithreading, task scheduling, interrupts and mobile development techniques for Android and iOS.

  • Experience with creating mobile application designs to meet cross-platform, reusability and ease of unit test.

  • Proficient with GUI design concepts and implementation on mobile platforms.

  • Experience programming multi task or multi-threaded embedded applications.

  • Experience with Bonjour, MFi, WAC, and Homekit applications.

  • Familiarity with home automation protocols such as Alexa, Homekit, Google Home, and IFTTT.

  • Knowledge of Configuration Management methodologies (source code version control, bug tracking and requirement traceability).

  • Familiarity with networking protocols (TCP/IP, UDP).

  • Familiarity with industry-wide embedded software design and debugging tools.

  • Experience developing technical requirements from customer requirements.

  • HVAC knowledge is a plus.

Teaming/Soft Skills

  • Excellent communication skills.

  • Excellent collaboration and teaming skills.

  • Creativity and ability to learn quickly are essential.

  • Ability to quickly come up to speed on new projects.

  • Ability to adapt existing and new technologies to the HVAC field.

  • Ability to manage multiple priorities and adapt to changing demands.

If you are a motivated self-starter with strong interpersonal and organization skills, this may be the opportunity for you.

Job Locations US-TX-Carrollton

Requisition # 2019-21183

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.