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Salary
$42k – $134k per year (Estimated)
Location
In office (Zurich)
Seniority
Middle · 3+ years exp
Employment
Full-Time
Overview
Company
Impact
Profile match
RIVR (formerly Swiss-Mile, legally incorporated in Zurich, Switzerland) is a physical AI and autonomous robotics enterprise spun out of ETH Zurich's Robotic Systems Lab. Founded in 2023 by Marko Bjelonic, Lorenz Wellhausen, Giorgio Valsecchi, and Alexander Reske, the venture raised over $26 million from high-profile backers including Bezos Expeditions and the Amazon Industrial Innovation Fund, before being acquired by Amazon in March 2026.

Job Description

We are looking for a hands-on and curious Test Engineer to ensure the reliability and performance of our advanced robotic systems. This is a unique, mixed-profile role at the heart of our hardware development. You will be responsible for the entire testing lifecycle: from designing and building physical test setups for mechanical components to writing scripts that automate stress and performance tests. If you love tinkering with hardware, have a knack for mechanical assembly, and enjoy using code to solve real-world problems, this role offers a fantastic opportunity to make a direct impact on the quality of our robots.

What you’ll be doing

  • Design and build custom test rigs, jigs, and fixtures for mechanical and mechatronic components (e.g., for functional testing, thermal performance characterization, durability and reliability testing).
  • Execute a wide range of hands-on tests, spanning from structural to safety behavior..
  • Develop and maintain scripts (e.g., in Python) to automate test procedures, control test hardware (like actuators and sensors), and log critical data.
  • Analyze test data to identify failure modes, performance bottlenecks, and areas for design improvement.
  • Collaborate closely with mechanical and electronics engineers to understand component specifications and provide crucial feedback based on your test results.
  • Meticulously document your test procedures, setups, and findings to ensure repeatability and knowledge sharing.

What you must have

  • A Master’s degree in Mechanical Engineering, Electronics, Robotics, or a related technical field.
  • 3+ years of non-internship professional experience in hardware testing, validation, or a related hands-on engineering role
  • Proven experience designing and building test setups for mechanical or electro-mechanical systems
  • Scripting proficiency in Python for test automation, device control, or data analysis
  • Demonstrated ability to work independently in a workshop environment using common hand and power tools safely
  • Experience with test plan development, execution, and structured reporting of results

Get some bonus points

  • Hand-on experience with ROS/ROS2.
  • Experience with CAD software (like SolidWorks, Fusion 360, or similar) for designing test fixtures.
  • Familiarity with data acquisition (DAQ) hardware and sensors (e.g., load cells, encoders, thermocouples).
  • Basic knowledge of electronics for wiring test setups.
  • Experience in a testing environment within the robotics, automotive, or aerospace industries.
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