HVAC System Modeling & Simulation Engineer

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    "url": "https://uscareers-lennox.icims.com/jobs/50750/hvac-system-modeling-%26-simulation-engineer/job",
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    "datePosted": "2026-06-18T04:00:00.000Z",
    "description": "<h2>Who We Are</h2>\n<p><strong><em>***We are open to hiring at different levels for this position (ME III - ME IV) depending on experience and skillset resulting in a wide compensation range. The salary range is between $94,000 - $145,000 annually and this person will be located on-site in Carrollton, TX (Monday - Friday).***</em></strong></p>\n<p> </p>\n<p><strong>Lennox (NYSE: LII)</strong> 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.</p>\n<h2>What Drives Success</h2>\n<p><strong><em>Innovate your career.</em></strong></p>\n<p> </p>\n<p>When you choose Lennox, you're getting the best.</p>\n<p> </p>\n<p>When you work at Lennox, you’re among the best.</p>\n<p> </p>\n<p>As a leading innovator of home and commercial, heating, cooling, refrigeration, air-quality, and related services, Lennox International is committed to helping our people innovate our products and their careers.</p>\n<p> </p>\n<p> </p>\n<p>The <strong>Advanced Technology</strong> team within Lennox works at <strong>the </strong><strong>nexus of smart equipment, smart algorithms, and next-generation tools</strong><strong> </strong>including equipment & building digital twins to make our equipment efficient, reliable, and ready for the grid.We are currently seeking an <strong>HVAC System Modeling and</strong><strong> </strong><strong>Simulation Engineer</strong> to join our <strong>Advanced Technology team</strong>. As part of this role, you will work on HVAC equipment related software development which addresses all aspect of equipment life-cycle – from designing, testing, ratings, to field operations. You will liaison with software developers, product/controls/data engineers, and R&D teams to develop and deploy smart tools. The person in this position will lead the system modeling group and set the technical direction.</p>\n<p> </p>\n<p><strong>DUTIES INCLUDE, BUT ARE NOT LIMITED TO:</strong></p>\n<p> </p>\n<ul>\n <li>Lead efforts to enhance the existing simulation platform by modularizing and adding transients to support new product and technology development projects.</li>\n <li>Conduct physics-based thermodynamic modeling, and analysis of refrigeration systems and components.</li>\n <li>Develop hybrid or data driven component models as needed to support model-based design, testing, and field operation.</li>\n <li>Lead projects technically, and coordinate the efforts of software development team and users.</li>\n</ul>\n<p>#LI-JM1 #LI-onsite</p>\n<h2>What We Are Looking For</h2>\n<ul>\n <li>Master’s degree in mechanical engineering or higher (PhD preferred) with a focus on thermal sciences.</li>\n <li>5+ years’ of relevant experience preferred.</li>\n <li>Strong understanding of the fundamentals of thermodynamics, heat transfer, and fluid mechanics.</li>\n <li>Experience in modeling, analysis and testing of HVAC&R components and systems, such as condensers, evaporators, and compressors.</li>\n <li>Experience with numerical methods and software engineering methods for developing user-facing tools.</li>\n <li>Proficiency in programming with Python, C++ ; Proficiency in any of the newer simulation environments - MATLAB/Simulink, Modelica, Julia, etc.</li>\n <li>Knowledge of building simulations and data analytics/AI/ML methods<em> </em><em>(nice to have)</em>.</li>\n <li>Willingness and ability to work with cross-functional, global teams and drive results.</li>\n <li>Effective verbal and written communication and presentation skills.</li>\n <li>Be able to work on multiple projects and prioritize tasks; Organized with strong attention to detail.</li>\n <li>Must be a proven self-starter with the capability to work independently under the general management direction.</li>\n <li>Motivation to work on novel/difficult problems with a flair for creative problem solving.</li>\n</ul>\n<h2>What We Offer</h2>\n<p><strong>Compensation</strong>: This is a salaried exempt role. We are open to hiring at different levels for this position <em>(ME III - ME IV)</em> depending on experience and skillset resulting in a wide compensation range. The starting salary range for this role and market is between <strong>$94,000 - $145,000 </strong>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 <strong>BroadBase Incentive (BBI) program with a target payout of 2%. </strong>Employees in this role are not eligible for overtime.</p>\n<p> </p>\n<p><strong>Location and Schedule</strong>: This position is located in <strong>Carrollton, TX</strong> and will be <strong>in the office Monday through Friday.</strong> </p>\n<p> </p>\n<p><strong>Benefits</strong>: Subject to applicable eligibility requirements, the following benefits are offered for this role: 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.</p>\n<p> </p>\n<p><strong>Paid Time Off:</strong> Depending on date of hire, and subject to applicable eligibility requirements, new employees in this role also receive up to: 12 days paid time off, 2 paid well-being days, 1 paid volunteer day, 9 to 11 paid company holidays depending on the year, and 3 floating holidays per year. </p>\n<p> </p>\n<p><strong>Our Culture</strong>: 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. <strong>Come, stay, and grow with us!</strong> </p>\n<p> </p>\n<p><em>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.</em></p>",
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