At MassMutual Ventures, we are fortunate to have been early and long-term partners to our portfolio of category-defining businesses that are located across the globe. Learn more about their available opportunities below.
Transaera
Test Engineer
Location: Somerville, MA (Onsite)
Employment type: Full-Time
About Us
Transaera is a fast-growing, VC-backed startup from MIT, dedicated to redefining the future of air conditioning with cutting-edge, sustainable solutions. Based in Boston, MA, we’re tackling one of the planet’s most pressing challenges: making cooling more efficient, affordable, and environmentally friendly.
As a Department of Energy grant recipient and a proud finalist in the prestigious Global Cooling Prize, our team is at the forefront of groundbreaking innovation. Our high-efficiency air conditioning systems are designed to transform how the world stays cool while reducing environmental impact.
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
We're hiring our first Test Engineer to bridge R&D and Manufacturing. You’ll design, implement, and manage testing infrastructure for our HVAC product line. This is a strategic, high-impact role — you’ll own the test function and bring expertise that drives product quality, reliability, and scalability.
What You’ll Do
Own the design, development, and execution of test systems for performance, reliability, and validation testing, including the ability to root cause and troubleshoot electromechanical failures with a high degree of independence.
Develop and maintain automated test setups using LabVIEW or equivalent tools (e.g., MATLAB, Python, C++, PLCs).
Translate engineering requirements into robust test procedures and systems.
Use statistical analysis tools (e.g., JMP, Minitab) to evaluate test data, identify trends, and drive product and process decisions
Communicate test results and insights clearly to technical and non-technical audiences, enabling fast, informed decisions across R&D, Manufacturing, and Leadership.
Collaborate closely with R&D, Manufacturing, and Product teams to ensure testing aligns with product design and production goals.
Specify and source testing equipment, sensors, and data acquisition systems.
Set up lab infrastructure, safety protocols, and documentation systems.
Act as the strategic lead for all testing decisions — from early-stage development through scaled production.
What You’ll Bring
We recognize that there are many paths to success. While we list desired skills and qualifications below, we encourage you to apply if you meet most of them or have transferable experiences.
5+ years experience in test engineering, ideally in HVAC, electro-mechanical systems, or hardware startups.
Strong experience with C++, and Python, or similar test automation software. Ideally, LabView.
Solid understanding of mechanical, electrical, and thermal systems.
Experience setting up test labs from scratch and working cross-functional teams, R&D, Mechanical Engineering, Electric Engineering.
Demonstrated ability to self-manage, make data-driven decisions, and drive initiatives independently.
Some travel required for this role.
Experience with LabView testing automation software.
Experience in low-volume manufacturing environments or transitioning products from R&D to production.
Growth Mindset, leading with curiosity, willingness to take on new challenges and learn
Collaborative and team player approach, you understand the value of working with a team all trying to reach the same common goal
Have a passion for making a difference with your work
We value transparency. Here’s what you can expect during your application process and if you join our team:
Interview Process:
-> First round: 30 Min call with the Chief of Staff
-> Second round: 30 min call with R&D Manager
-> Third round: Team Loop (2) 1:1 30 min calls
-> Final round: 30 min call with CEO or CTO
Work Environment: We are an innovative and rapidly growing start up, all working toward the same mission to bring efficient cooling solutions to the world. Creativity and experimentation are at the heart of what we do, so you'll have the freedom to explore new ideas, test out solutions, and challenge the status quo. We thrive on having a bias for action, and ability to pivot priorities to put our best work forward.
Team and Culture: Collaborative, hard working team with fun and joy integrated in what we do. We push boundaries and savor the rewards!
Be the first test engineering hire at a company solving one of the world’s most pressing climate challenges.
Work in a tight-knit, mission-driven startup where your decisions directly shape the product and company.
Impact: Be part of a mission-driven team that values innovation and creativity, where your contributions directly shape the future of the company and the impact it has on the world.
Growth: Fast growing startup, real time learning and growth opportunities, come
grow your career with us.
Inclusivity: We are a supportive, equitable environment where diverse perspectives are valued. We encourage questions, and challenge the status quo for the sake of growth and development.
Benefits: Health Insurance, Flexible PTO, Stock Options, Bonuses, and 401K
At Transaera, we believe that diverse teams drive innovation and success. We are committed to building an inclusive workplace where everyone feels valued and respected. We welcome applicants from all backgrounds, experiences, abilities, and perspectives.