Mechanical Engineer

Ultropia · Seattle, WA
Work typeOn-site · Full Time
Pay$90k – $110k
PostedNov 13, 2026
LevelMid level
In short Compensation: $90,000 – $110,000 hourly, plus early-stage equity and benefits.
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📋 About the job

LocationSeattle, WA (On-site)
Job typeFull-Time
Pay$90,000 – $110,000 USD FTE hourly, plus early-stage equity and benefits

The Role

This is a role at a fast-moving startup; you must thrive in a dynamic, rapidly evolving R&D environment and take strong initiative to push projects forward. We need an engineer who owns the entire design-build-test loop and can navigate ambiguity and shifting priorities. Success in this role requires being a collaborative team player who is meticulous about writing down processes, maintaining organized files, navigating ambiguity, and clearly communicating technical progress to the rest of the team.

About Ultropia

Industrial drying processes consume a significant fraction of global energy use, and high-energy gas dryers have no clear path to electrification. At Ultropia, we are creating the future by rethinking industrial drying. Instead of evaporating liquid, we use acoustic energy to mechanically extract it, moving it out of the target material without a phase change. This side-steps the thermodynamics of existing heat-based drying processes and enables hyper-efficient material processing. We are taking a laboratory-proven technology to market and want your help engineering the future of industrial drying.

2 positions are available: Multiphysics & Transducer R&D Mechanical Engineer & Industrial Systems Prototyping Mechanical Enginee r

Role 1: Industrial Systems Prototyping - Mechanical Engineer

We need an engineer who owns the entire design-build-test loop for advanced industrial equipment. You will balance analytical and simulation-informed design work with being on the shop floor machining parts, building assemblies, and testing subsystems and full machines.

Key Responsibilities

  • Engineering Ownership: Lead the end-to-end design, fabrication, and testing of complex industrial systems, designing and integrating key subsystems:
  • ○ Structures and Dynamics: Design structural frames and system components capable of withstanding large static loads and high-amplitude vibrations, including vibration isolation systems.
  • ○ Fluid and Thermal Systems: Design air and fluid handling systems, including heaters and vacuum systems. Perform thermal analysis of parts and assemblies.
  • ○ Electrical Integration: Support integration of electronics, including industrial panel design, PC board enclosures and cooling, wire raceways, conduits, and control panels. Perform harness a…
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