About Corintis

Corintis offers innovative microfluidic cooling technologies for AI chips/GPUs and CPUs used in data centres. Working with many of the world’s largest tech companies, our solutions improve compute sustainability and tackle the excessive electricity consumption associated with data centre cooling, which consumes more electricity than New York and London combined.

Ranked as the No.1 Engineering startup in Switzerland for 2025 and 2026, Corintis offers a friendly and team-oriented workplace, bringing together over 105 people from over 35 nationalities to solve the most significant computing challenges of tomorrow. Based in the EPFL Campus in St. Sulpice, we are closely connected to the local ecosystem and are located a few minutes walk from Lake Geneva.

The Role

As a Mechanical Engineer Intern, you will be responsible for the support and development contribution of our next generation Therminator platform. You will report to the Head of the Thermal Test Instrument team and collaborate closely with the mechanical and electrical engineers. This role plays an important part in our product and feature enhancement to provide and sell the best thermal testing solutions for internal and external customers.

Key Responsibilities

• Support the generation of technical drawings, 3D CADs and mechanical assessments of our next generation Therminator frames & casings and other parts by a close collaboration with the expert team to make the right decisions on mechanical functionality and reliability

• Collect, align and convert requirements from R&D, Lab Testing, Manufacturing, Cold Plate Design teams to translate complex application needs into modular mechanical specifications

• Apply design methods of conventional and non-conventional manufacturing techniques to build up first fully functional prototype demonstrators by using best practise concepts

• Integrate user-centric principles to optimize how engineers, technicians, and partners interact physically and operationally in the best way with the system (ergonomics, modularity, serviceability, safety)

• Design with the experts custom testing jigs, mounting fixtures, and structural test rigs to support ongoing Thermal Test Vehicle and thermal emulator platforms

• Assemble first prototypes, perform first bench testing and failure mode assessments in our testing lab to improve the manufacturing and functionality of the final products and document the results

Requirements

• Experience with industry-standard CAD suites (e.g. SolidWorks, CATIA, or PTC Creo)

• Understanding of traditional fabrication (CNC machining, sheet metal, injection molding, etc.)

• Experiences with additive manufacturing / 3D printing techniques

• Student team projects demonstrating hands-on prototyping ability

• Fluent in English

This Is a Great Fit If You:

• Enjoy working in an environment that is fast-paced, highly innovative and has flat hierarchies.

• Are motivated to improve your existing skills

• Thrive when you can work on your own solutions and present the results to the experts and team members

• Enjoy working with colleagues from all over the world

This Won’t Be the Right Role for You If:

• You are prefer not to work in a team

• You only can work in highly structured, corporate environments with fixed processes

• You prefer working fully remotely, as this role requires on-site collaboration