Sr. Performance Engineer

Transaera•Boston, MA

2d•Onsite

About The Position

Sr. Performance Engineer Location: Somerville, MA (Onsite) Employment type: Full-Time About Us Transaera is a fast-growing, VC-backed startup redefining the future of air conditioning with a materials-based approach that generates 40% energy savings. Based in Boston, MA, we’re tackling one of the planet’s most pressing challenges: making cooling more efficient, affordable, and environmentally friendly. At Transaera, you’ll join a passionate team of engineers, scientists, and visionaries committed to creating a cooler, greener future. Learn more about our revolutionary work at www.transaera.com . The Role What You’ll Do As a Sr. Performance Engineer at Transaera, you will play a key role in the design, development, and optimization of novel heat pump systems. Your contributions will be critical to understanding and optimizing the world’s most efficient HVAC systems that leverage Transaera’s new materials technology. You will contribute to the full lifecycle of thermal system development, from conceptual design to prototype testing and system optimization. This role demands a deep understanding of thermodynamics, heat transfer, fluid dynamics, HVAC systems, controls, and refrigerant circuitry, as well as the ability to collaborate with the team and external partners in a fast-paced, startup environment.

Requirements

4-6 years of experience in thermal system design, with a strong background in HVAC systems, air conditioning, refrigerant system design, or similar fields.
Deep knowledge of heat transfer principles, fluid dynamics, and HVAC systems.
Practical experience in the design and optimization of thermal systems, including refrigerant loops, heat exchangers, and thermal management solutions.
Strong proficiency in thermal modeling, including experience with hand calculations, spreadsheets, and software such as MATLAB or Python for system modeling and analysis.
Strong problem-solving skills and the ability to work autonomously in a fast-paced, results-driven environment.
Excellent communication skills to present technical data and collaborate with internal and external teams.
Proficiency in prototyping and testing to verify design assumptions and ensure performance standards are met.
Ability to lead a team, provide mentorship, and foster a collaborative engineering culture.

Nice To Haves

A Bachelor’s or Master’s degree in Mechanical Engineering, Chemical Engineering, or a related field.

Responsibilities

System Performance Design: Development, maturation, and ownership of system performance model for Transaera’s next generation HVAC systems and associated impacts on building energy efficiency.
Fielded System Performance Analysis: Collaborate with the controls team to optimize system performance based on fielded data and varied controls inputs. Support technology injection through developing advanced controls algorithms. Implement dashboards to visualize and troubleshoot performance of fielded systems.
Sales Tools: Develop product selection and performance estimation software to be used by specifying engineers, developers, partners, and other customers.
Thermal Modeling: Develop and implement first-principles-based thermal models for heat and mass transfer in desiccant-enabled systems. Leverage tools like MATLAB, Python, and spreadsheets for first-order models and detailed design analysis.
System Architecture and Trade-offs: Analyze and communicate system architecture trade-offs, particularly with respect to thermal considerations, to ensure optimal performance and efficiency.
Collaboration & Communication: Present formal technical reviews internally and externally with customers. Track technical status, risks, and provide inputs to program planning.
Cross-functional Collaboration: Support the engineering team’s development efforts by providing key thermal inputs for integration with other systems.