Senior Thermal Engineer

LQS Liquid Stack LLC; Carrollton (TX); On-site; USD 92,000 - 128,000; Full time

Benefits offered by this job

Health insurance

401K match

Paid time off

Career growth opportunities

Job summary

Trane Technologies (LiquidStack) in Carrollton, Texas, seeks a Senior Thermal Engineer to own the thermal design lifecycle for data-center cooling solutions. You will conduct thermal analyses, run CFD simulations, and lead testing and improvements for CDUs and water-cooled loops.

A Master or PhD in engineering and 5+ years of HVAC/data-center experience are required, with strong CAD/CFD skills and excellent English communication. This is an on-site role in Texas with global collaboration.

Qualifications

• Master or PhD in Mechanical/Electrical Engineering or related field.
• 5+ years designing HVAC systems for data centers or industrial buildings.
• Strong CAD/CFD skills and English communication.

Responsibilities

• Conduct conceptual thermal designs for data centers with water cooling.
• Perform 1D flow modeling and 3D CFD for CDUs and loops.
• Lead thermal performance evaluations and collaboration with vendors.

Skills

Thermal analysis

CFD simulations

Data center cooling

CAD/SolidWorks

Project leadership

English communication

Education

Master's or PhD in Mechanical/EE or related

Tools

AutoCAD 2D/3D

SolidWorks

CFD software

Job description

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: On-Site (5 days)

POSITION SUMMARY Reporting to the Director of R&D of Trane Technologies, this role will be responsible for the entire lifecycle of thermal and cooling system development processes, from concept and testing to execution and maintenance of data centers. The successful individual will perform thermal analysis, test processes, monitor system performances and identify areas that can be improved for greater efficiency. The individual will learn about a variety of new technologies which can shape the data center industry for decades to come. We are looking for a driven Senior Thermal Engineer that is passionate about this profession and wants to be a team leader on one of the world’s global leaders in liquid cooling solutions and services.

ESSENTIAL DUTIES AND RESPONSIBILITIES

• Conduct conceptual designs of thermal solutions for data centers, specifically with water cooling.
• Collaborates with other engineers, vendors, partners to plan, design, and build test fixtures and prototypes.
• Designs and creates documentation such as PI&D.
• Designs testing procedures and controls equipment to accurately assess products and identify areas for modification.
• Conduct 1D Flow-Network-Modeling and 3D CFD simulations on heat transfer, energy balance, pressure drop and fluid dynamics for CDUs and cooling loops in data centers. Perform model verification tasks to ensure prediction accuracy.
• Responsible for subsystem-level and system-level thermal performance evaluations and optimizations. Works with the engineering team and external consultants on manufacturing designs for data centers.

SPECIFIC KNOWLEDGE, SKILLS, AND ABILITIES

• Master or PHD degree in Mechanical/Electrical Engineering and/or related discipline.
• 5 plus years of experience with designing and calculating HVAC systems in industrial buildings and/or data centers.
• HVAC / Air Conditioning / Refrigeration certificate is considered an asset.
• Lead all the thermal performance, evaluation and testing.
• Understands thermal cycles including adiabatic process, isothermal process, evaporative cooling cycle and dehumidification cycle.
• Ability to perform air flow, thermal flow, and temperature calculations.
• Proficient with AUTOCAD 2D / 3D, SolidWorks and/or similar software.
• Experience with pressure drop simulation, computational fluid dynamics (CFD) and thermal analysis software is required.
• Strong knowledge in MS Word, Excel, and PowerPoint.
• Attention to detail with the ability to see the bigger picture.
• Must have strong planning, organizational, analytical, and problem-solving skills.
• Able to prioritize competing tasks and keeping to critical deadlines.
• Self-starter that can be hands-on and able to work independently.
• Multicultural approach, comfortable working with diverse cultures and mind-sets.
• Appreciation to work in a global organization with teammates in different time zones/regions.
• Excellent English communication (verbal & written).
• Conversational in Cantonese and/or Mandarin an asset.

About LiquidStack & the Team

LiquidStack is the established leader in liquid cooling for data center, HPC, and AI workloads, with manufacturing, R&D, and headquarters in Carrollton, Texas and a longstanding engineering presence in Hong Kong. As part of Trane Technologies, we are scaling our US-based engineering capability to augment our Hong Kong team. The new Texas engineering team will focus on the design, development, and delivery of large Coolant Distribution Units (CDUs) and skidded direct-to-chip platforms — including our GigaModular™ CDU family — for hyperscale, colocation, and AI infrastructure customers. The team will own manufacturability, ETL / CSA / CE / NRTL compliance, and customer-facing engineering for these product families, working in close collaboration with the Hong Kong team on shared architecture and component engineering. The Mechanical Design team owns the physical architecture of CDU skids and enclosures — including the GigaModular™ platform — covering frame design, piping layout, component packaging, and design for manufacturability.

Annual Base Salary Range or Hourly Base Pay Range: $91,516.66 - $128,379.99 Compensation Type: Salary Incentive Eligible: No Sales Commission Eligible: No 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: 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.

At Trane Technologies, we’re climate innovators with the courage to look at our world’s challenges and see endless opportunities. We aren’t afraid to make bold commitments that set new standards to enhance the health and well-being of our employees, customers, communities, and the planet we share. Learn more about what we do & how we do it. Joining the Trane Technologies team is more than just a job – it’s the beginning of a career full of purpose, impact, and meaningful contributions that challenge what’s possible for a more sustainable future. Together, we know we can change the world. With an inclusive culture, benefits to support you and your family, limitless opportunities to grow, flexibility to help you balance life’s demands, and more – you’ll be supported to thrive at work and at home. Learn more about building a career with us.

At Trane Technologies, we believe in providing equal access and opportunity for all. We are committed to providing reasonable accommodations to our candidates and employees who may need assistance with application or recruitment processes due to disability or impairment. To request an accommodation, please contact us at: [e-mail]