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Lennox IoT Architect in Carrollton, Texas

Company Overview


This position is located at our premier Product Development & Research (PD&R) facility in Carrollton, TX. Since you will be working primarily on new product initiatives, there is a large opportunity for patents. 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.

Clickto learn more about our PD&R facility.

Job Description


As a Lead Engineer, you will lead and collaborate with other engineers to design, plan, develop and maintain software components for Internet of Things (IoT) devices and Cloud. In addition, you will be responsible for the successful implementation and delivery of embedded software products and components throughout the entire product lifecycle. As a Lead Engineer, you will ensure project deliverables are on-time and have the highest quality while assuring proper technical requirements meeting customer criteria. In this role you will also collaborate with global teams to create best in class mobile applications.


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 Lead Engineer position is ideal for anyone looking for a sales career with long term growth possibilities.


  • Competitive base salary

  • Industry leading sales and product training

  • Medical / Dental / Vision

  • Outstanding 401K with company matching and 1-year bonus

  • Stock Purchase Program

  • Community involvement opportunities

  • Robust Employee Assistance Program

  • Relocation assistance is available

  • And much, much more!



  • MS in Electrical/Computer Engineering or equivalent is required.

Technical Skills

  • 8 years of professional experience in developing cloud(GCP, AWS, Azure) micro-services capable of connecting millions of devices

  • 2 years of professional experience developing embedded software in C/C++ Experienced in the architecture, design, device/cloud integration, and development of Internet of Things software

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

  • Design and debug experience for solutions involving hardware, embedded firmware, server back-ends at scale, mobile, and web

  • Experience with device and cloud software development

  • Experience with Web/Internet of Things communication protocols such as https, web-sockets, XMPP, COAP, MQTT with XML/JSON payloads, and Thread

  • Strong understanding of REST, micro-services architecture & best security practices

  • Ability to develop unit test driven software components

  • Familiar with Configuration Management tools (Version control, bug tracking, change management, automated builds, and coding standards).

  • Familiar with static and dynamic analysis software tools

  • Experience developing in Waterfall and Iterative Software development processes.

  • Familiar with Building and Home Automation Systems

  • Familiar 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 (Systems Architecture, Hardware, Testing, Technical Support, Manufacturing, IT, Suppliers) 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.

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 # 2019-21522

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