System Modeling Engineer

DUTIES

• Lead efforts to enhance the existing simulation platform by modularizing and adding transients to support new product and technology development projects.
• Conduct physics-based thermodynamic modeling and analysis of refrigeration systems and components.
• Develop hybrid or data‑driven component models as needed to support model‑based design, testing, and field operation.
• Lead projects technically, and coordinate the efforts of software development team and users.

• Master’s degree in mechanical engineering or higher (PhD preferred) with a focus on thermal sciences.
• 5+ years of relevant experience preferred.
• Strong understanding of the fundamentals of thermodynamics, heat transfer, and fluid mechanics.
• Experience in modeling, analysis, and testing of HVAC&R components and systems, such as condensers, evaporators, and compressors.
• Experience with numerical methods and software engineering methods for developing user‑facing tools.
• Proficiency in programming with Python, C++; proficiency in any of the newer simulation environments – MATLAB/Simulink, Modelica, Julia, etc.
• Knowledge of building simulations and data analytics/AI/ML methods (nice to have).
• Willingness and ability to work with cross‑functional, global teams and drive results.
• Effective verbal and written communication and presentation skills.
• Ability to work on multiple projects and prioritize tasks; organized with strong attention to detail.
• Proven self‑starter with the capability to work independently under general management direction.
• Motivation to work on novel/difficult problems with a flair for creative problem solving.

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

Compensation:
Salaried exempt role with a starting salary range of $80,000 – $145,000 annually, depending on experience and skill set. Eligible for the Broad Base Incentive (BBI) program with a target payout of 2%. Employees are not eligible for overtime.

Benefits include 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:
Up to 12 days paid time off, 2 paid well‑being days, 1 paid volunteer day, 9 to 11 paid company holidays, and 3 floating holidays per year.

Equal Opportunity

Employer:

Lennox is committed to recruit, develop, and retain talented individuals from a wide range of backgrounds, ensuring that everyone has the opportunity to succeed.

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.