Advanced Technology Engineer

Lennox; Carrollton (TX); On-site; USD 97,000 - 127,000; Full time

Benefits offered by this job

Tuition reimbursement

Medical, dental, and vision insurance

Prescription drug coverage

401(k) retirement plan

Short-term disability insurance

8 weeks paid birthing leave

2 weeks paid bonding leave

Life and long-term disability

Job summary

Lennox in Carrollton, TX is seeking a highly motivated Mechanical Engineer for the Advanced Technology Group in the commercial HVAC sector. You will help design, analyze, and prototype next-generation HVACR systems with emphasis on energy efficiency, manufacturability, and regulatory compliance.

Responsibilities include CFD/FEA simulations, design reviews, and collaboration with controls, electrical, materials, and software teams to deliver integrated solutions.

Qualifications

• Bachelor’s degree in mechanical engineering or equivalent.
• Experience with HVACR system architecture and components.
• Strong foundation in thermodynamics, heat transfer, and fluid mechanics.
• Hands-on prototyping, lab testing, and data analysis.
• Ability to manage multiple projects in a fast-paced R&D environment.
• Effective written and verbal communication skills.

Responsibilities

• Lead mechanical design, analysis, and prototyping of HVACR components and systems.
• Collaborate with controls, electrical, materials, and software teams.
• Conduct CFD/FEA and thermodynamic simulations for performance assessment.
• Evaluate materials and processes to improve manufacturability.
• Develop and execute test plans for lab validation and performance.
• Participate in design reviews, DFM, and risk assessment.

Skills

HVACR knowledge

Thermodynamics

Data analysis

Multi-project management

Technical communication

Education

Bachelor’s degree in mechanical engineering

Tools

Python

MATLAB

C++

VBA

EES

Job description

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.

What Drives Success

We are seeking a highly motivated and innovative Mechanical Engineer to join our Advanced Technology Group, focusing on the commercial HVAC segment. This role involves developing and validating next-generation HVACR technologies with a focus on energy efficiency, sustainability, manufacturability, and regulatory compliance.

The ideal candidate will be passionate about emerging technologies, system-level design, and solving complex thermal and mechanical challenges.

Duties Include, But Are Not Limited To

• Lead and support the mechanical design, analysis, and prototyping of advanced HVACR components and systems (e.g., compressors, heat exchangers, fans, enclosures).
• Collaborate with cross-functional teams (controls, electrical, materials, software) to develop integrated solutions.
• Conduct feasibility studies, concept development, and performance simulations (CFD, FEA, thermodynamic models).
• Evaluate new materials, design approaches, and processes to enhance product performance and manufacturability.
• Develop and execute test plans for lab validation and performance characterization.
• Participate in technical reviews, design for manufacturability (DFM), and risk assessment (FMEA).
• Work closely with external research institutions, suppliers, and internal stakeholders to drive innovation.
• Maintain awareness of industry trends, emerging technologies, and regulatory changes (e.g., low-GWP refrigerants, DOE standards).
• Document technical work through reports, specifications, and intellectual property (patents, invention disclosures).

Required

What We Are Looking For

• Bachelor’s degree in mechanical engineering.
• Experience with scientific programming (example: Python, VBA, EES, MATLAB, or C++).
• Familiarity with HVACR system architecture and components.
• Strong foundation in thermodynamics, heat transfer, and fluid mechanics.
• Hands‑on experience with prototyping, lab testing, and data analysis.
• Ability to manage multiple projects in a fast‑paced R&D environment.
• Effective communication and technical writing skills.

Preferred

• Master’s or Ph.D. in mechanical engineering.
• Previous work experience in HVACR, thermal systems, or product development in a related industry.
• Knowledge of low-GWP refrigerants, decarbonization strategies, and energy codes.
• Patents or publications in relevant technical areas.

What We Offer

Compensation

This is a salaried exempt role. The starting salary range for this role and market is between $97,000 - $127,050 annually. Factors that may affect starting salary include geography/market and the skills, education, experience, and other qualifications of the successful candidate. This position is also eligible for the BroadBase Incentive (BBI) program with a target payout of 2%. Employees in this role are not eligible for overtime.

Location and Schedule

This position is located in Carrollton, TX and will be in the office Monday through Friday.

Benefits

• tuition reimbursement
• medical, dental, and vision insurance
• prescription drug coverage
• 401(k) retirement plan
• short-term disability insurance
• 8 weeks paid birthing leave
• 2 weeks paid bonding leave
• life and long-term disability insurance

Paid Time Off

• 12 days paid time off
• 2 paid well-being days
• 1 paid volunteer day
• 9 to 11 paid company holidays depending on the year
• 3 floating holidays per year

Our Culture

At Lennox, our Core Values of Integrity, Respect & Excellence are ingrained in the fabric of the organization. They define our culture – which is about how we do business and how we treat others. Lennox is not just a workplace; we are a global community that values each team member’s contributions. As an equal opportunity employer, we are committed to recruit, develop, and retain talented individuals from a wide range of backgrounds, ensuring that everyone has the opportunity to succeed and contribute to our continued growth and success. At Lennox, you’ll take pride in our brands, knowing you are part of something special. Come, stay, and grow with us!

Disclaimers: The compensation and benefits information is accurate as of the date of this posting. Lennox reserves the right to modify this information at any time, with or without notice, subject to applicable law. We may use automated tools, including artificial intelligence, to support parts of our hiring process, such as application review and interview scheduling. These tools assist our teams but do not replace human decision-making. If you need an accommodation or have questions, please contact [e-mail].