Senior Mechanical Systems Engineer
- Location
- La Crosse, WI
- Listed
- Today
About the role
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 Trane® and Thermo 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
Monday to Thursday, work onsite with your colleagues. Fridays, choose your work location, balancing what your work requires.
Job Summary
We are currently hiring a Senior Mechanical Systems Engineer to join our Data Center Air-Cooled Chiller team at Trane Technologies. This role is a dynamic and integral part of our team, driving the creation of cutting-edge solutions that meet customer needs and tackle real-world challenges.
What you will do
- Develop refrigeration subsystems to meet unit performance goals, regulatory requirements, and cost targets.
- Develop and execute product validation test plans.
- Create, calibrate, and maintain product performance models using empirical test data.
- Support product regulatory compliance and safety certification testing (e.g., AHRI, ASME, UL, and TSSA volume/pressure thresholds).
- Design and physics modeling with HVAC products and components (compressors, heat exchangers, fans, controls, etc.)
- Apply data analytics tools to lab and factory performance data.
- Apply advanced heat transfer, and fluid flow concepts to design chiller subsystems utilizing low-GWP refrigerants including A2L.
- Overnight travel (5%).
What you will bring
- Bachelor's Degree in Engineering and at least 7-years of analytical engineering work experience is required.
Essential Skills or Competencies
- Proven project delivery in conducting new technology (NTI) and new product development (NPD) projects to improve the function, reliability or cost of products and components.
- Excellent verbal, written and interpersonal communication skills.
Annual Base Salary Range or Hourly Base Pay Range
- $75,700.00 - $135,834.99
- Compensation Type: Salary
- Incentive Eligible: No
- Sales Commission Eligible: No
Equal opportunity and legal notices
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.
Benefit offerings may vary by site as well as Collective Bargaining Agreements and local/state regulations
Safety Sensitive Role: No
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.
From Trane Technologies's careers page, first listed on Rolev.ai on November 13, 2026. Rolev.ai is not the employer.
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Common questions
Where is the Senior Mechanical Systems Engineer job at Trane Technologies located?
This Senior Mechanical Systems Engineer position at Trane Technologies is located in La Crosse, WI. Always check Trane Technologies's application page for specific state eligibility or relocation policies.
How do I apply for the Senior Mechanical Systems Engineer position at Trane Technologies?
This listing links directly to Trane Technologies's Workday application page. You can apply directly on Trane Technologies's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Workday application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.