Freelance Simulation Software Engineer Jobs in Wisconsin

Be a part of our mission! As a world leader in creating comfortable, sustainable, and efficient climate solutions for buildings, homes and transportation, it's our responsibility to put the planet first. For us at Trane Technologies, and through our businesses including TraneandThermo King, sustainability is not just how we do business-it is our business. Do you dare to look at the world's challenges and see impactful possibilities? Do you want to contribute to making a better future? If the answer is yes, we invite you to consider joining us in boldly challenging what's possible for a sustainable world.

Learn about our benefits designed for you to Thrive at work and at home.

We boldly go.

Where is the work:

Join Trane Technologies as a Senior Modeling and Simulation Engineer and lead the development of advanced software tools that drive innovation in HVAC technology. In this role, you will architect, code, and optimize simulation applications that support new product development and technology breakthroughs. Your programming expertise will be essential in solving complex performance and reliability challenges across HVAC components and systems. As a subject matter expert in modeling and simulation, you will guide cross-functional teams, integrate software solutions into engineering workflows, and champion best practices in scientific computing and software engineering.

What you will do:

• Develop 1D steady-state and transient modelling capability for refrigeration systems, electrical systems, and other sub-systems for HVAC&R products.
• Maintain and enhance in-house modeling tools with a focus on code quality, scalability, and performance.
• Apply software engineering principles to improve simulation workflows and automate analysis processes.
• Stay current with advancements in computational modeling, software development, and simulation technologies.
• Collaborate with systems engineers to integrate simulation tools into the model-based design (MBD) and model-based systems engineering (MBSE) processes.

• Conduct code reviews, write unit tests, and manage version control using platforms like GitHub.

• Lead end-to-end simulation software projects, including planning, schedules, technical reports, and stakeholder presentations to communicate progress and outcomes.

What you will bring:

• Masters or Doctorate degree in Electrical, Mechatronics, Mechanical Engineering, or equivalent, or bachelor's degree with 7+ years of relevant experience.
• Strong programming skills in Python, C/C++, Modelica, MATLAB, and M-code.
• Experience developing and maintaining simulation software for engineering applications.
• 5+ years of experience in HVAC&R equipment and systems, with focus on product design through modeling and simulation.
• Expertise in thermal sciences (thermodynamics, heat transfer, and fluid mechanics) and transport properties of fluids.
• Familiarity with software development tools such as Git, CI/CD pipelines, and Agile methodologies.
• Experience with optimization algorithms, numerical methods, and data analysis techniques.

Annual Base Salary Range or Hourly Base Pay Range:

Compensation Type:

Incentive Eligible:

Sales Commission Eligible:

Disclaimer: We strive to provide competitive compensation for this position, tailored to a variety of factors. The actual compensation will depend on elements such as seniority, merit, geographic location, education, experience, travel requirements, and union designation. Our compensation range is generally based on the national average for the country. Additionally, benefits may vary depending on the region, business alignment, union involvement, and employee status.

Thrive at work and at home:

• Benefits kick in on DAY ONE for you and your family, including health insurance and holistic wellness programs that include generous incentives - WE DARE TO CARE!
• Family building benefits include fertility coverage and adoption/surrogacy assistance.
• Paid time off includes up to 15 vacation days, paid holidays, sick leave, and additional options to support volunteer and parental leave.
• 401K match up, educational and training opportunities through company programs along with tuition assistance and student debt support.

Disclaimer: Benefit offerings may vary by site as well as Collective Bargaining Agreements and local/state regulations

Safety Sensitive Role:

The company designates certain roles as Safety Sensitive. Safety Sensitive roles may require that you pass additional drug screening.

We offer competitive compensation and comprehensive benefits and programs. We are an equal opportunity employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, pregnancy, age, marital status, disability, status as a protected veteran, or any legally protected status.