Test Engineer



Energy Vault

Energy Vault is the creator of renewable energy storage products that are transforming the world’s approach to utility-scale energy storage for grid resiliency. Applying conventional physics fundamentals of gravity and potential energy, the system combines an innovative crane design that lifts specially designed, massive composite blocks with a proprietary, cloud-based software platform which orchestrates the storage and discharge of electricity. Utilizing eco-friendly materials and manufacturing processes at unprecedented economics, Energy Vault is accelerating the shift to a fully renewable world.


The Role

As our first Test Engineer, you will improve upon the design of the various operational hardware components of our towers/buildings. You will push to failure our trolleys, weldments, electric motors, bearings, hydraulics, and other mechatronics. Your work includes travel ~25% to field sites (both domestic and international). Ideally, you will be able to work part of the time in our Westlake Village, CA office as well; one work-from-home day each week is permitted.


you will do

  • Learn our technology, collaborating with engineers (mechanical, electrical, geotech, civil), project developers, and others at Energy Vault.
  • Create test campaigns, plans, and acceptance criteria, taking into account industry regulations and best practice.
  • Monitor and collect data via acquisition systems.
  • Write reports on component performance.
  • Iterate upon and streamline processes, improving efficiency and reliability of the testing operations.
  • Shape a culture of collaboration, innovation, constant improvement, excellence, transparency, open mindedness, humility, integrity, efficiency, joy, compassion, and fulfillment.

Candidate will possess

  • Bachelor’s degree in engineering discipline
  • 3+ years’ work experience, and/or excellent project experience in school
  • Experience with data acquisition hardware and software
  • Familiarity with mechanical design standards, tolerancing and GD&T.
  • Understanding of international design standards (UL, CE, etc.).
  • Proven ability to perform design-for-manufacture optimization processes.
  • Basic weld design, analysis and inspection knowledge/experience.
  • Experience with special purpose machinery, bearings, couplings, motors.
  • Experience commissioning and documenting complex mechanical systems.
  • Ability to travel for vendor visits, test site support, field installation, startup, and commissioning.
  • As a team player, independence and comfort working under pressure.
  • A passion for our shared vision of carbon neutrality by 2050.

At Energy Vault we are committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants. We believe inclusion creates opportunity for collaborative excellence through diversity of thought. We invite individuals of all genders, races, identities, ethnicities, sexual orientations, national origins, abilities, protected veteran status, religions, educational and socioeconomic backgrounds to explore employment with our organization.



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