Mechanical Engineer - Thermal

Department: Engineering
Location: Somerville, MA

To reinvent an industry, you have to build the best team. Join Formlabs if you want to bring groundbreaking professional 3D printers to the desktop of every designer, engineer, researcher, and artist in the world.

As a Thermal Mechanical Engineer at Formlabs you will design, analyze, prototype and ship thermal systems. From precisely controlling the SLS process in Fuse 1 to managing rate of curing for SLA parts in Form Cure, thermal and mechanical systems are core to producing a high-performance 3D printer.

If you are a mechanical engineer with a passion for designing complex thermo-electro-mechanical systems and are looking to collaborate with a team of high-caliber engineers, we want you to join our team as a Thermal Mechanical Engineer. 

 The Job:

  • Create mechanical designs with a special focus on thermal requirements and material selection to ensure that all systems meet thermal and mechanical performance requirements
  • Identify viable thermal designs, establish system requirements and hardware specifications, and source components for prototypes and shipping products
  • Design and analyze heaters, temperature sensors, and insulation, from first-principles hand calculations to detailed numerical modeling with analysis software
  • Manage system temperatures within proper operating ranges through the use of radiation, conduction, and convection for our hardware and control systems
  • Build, test, and refine designs in both standalone and system-level test beds
  • Partner with manufacturing engineers to finalize designs for production


  • Can share a strong portfolio of previous work
  • Demonstrate a deep practical understanding of fundamental heat transfer principles
  • Can perform hand calculations around radiative, convective, and conductive heat transfer
  • 3+ years industry experience, with specific experience working on thermal systems
  • Have taken a product through an entire life-cycle, from concept through DFM and shipping
  • Familiar with a variety of manufacturing techniques including injection molding and sheet metal fabrication
  • Prototype and test your own designs
  • Strong working knowledge of three-dimensional simulation tools, such as Comsol, Ansys or similar

Bonus Skills (Optional): 

  • Software and electronics
  • Programming and scientific computing skills (Python)

Our Perks & Benefits:

  • Robust equity program to build future wealth through RSUs
  • Comprehensive healthcare coverage (Medical, Dental, Vision)
  • Low cost fund options in our 401K and access to advisors 
  • Generous paid Parental Leave (up to 16 weeks)
  • Tenure-based paid Sabbatical Leave (up to 6 weeks)
  • Flexible Out of Office Plan – Take time when you need it
  • Ample on-site parking & pre-tax commuter benefits
  • Healthy on-site lunches, snacks, beverages, & treats
  • Regular sponsored professional development opportunities
  • Many opt-in culture events across our diverse community
  • And of course… unlimited 3D prints

We are an equal opportunity employer and value diversity at our company.  We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.  

Even if you don't check every box, but see yourself contributing, please apply.  Help us build an inclusive community that will change the face of 3D printing.

To all recruitment agencies: Formlabs does not accept agency resumes. Please do not forward resumes to our jobs alias, Formlabs employees or any other company location. Formlabs is not responsible for any fees related to unsolicited resumes. Unsolicited resumes received will be considered our property and will be processed accordingly.