Joby Aviation

Mechanical Engineer - Hydrogen Fuel Cell

Job Locations US-CA-San Carlos
Powertrain & Electronics
Regular Full-Time

Joby Overview

Located in Northern California, the team at Joby Aviation is driven by our goal of creating an affordable, all-electric air transportation system. Imagine a piloted air taxi that takes off vertically, then quietly carries you and your fellow passengers over the congested city streets below, enabling you to spend more time with the people and places that matter most. Since 2009, our team has worked steadily to make this dream a reality. We’ve designed and tested many generations of prototype aircraft capable of serving in a network of electric air taxis. We’re looking for talented, committed individuals to join our team as we push onwards toward certifying the Joby aircraft with the Federal Aviation Administration, scaling our manufacturing, and preparing to launch commercial service in 2025.


Joby Aviation is seeking an experienced all-around mechanical/aerospace engineer with strong technical fundamentals, practical hands-on ability and problem-solving skills to join our Powertrain team. As a key member of a high-performance team you will develop hydrogen fuel cell systems, modules and components that provide electrical power to aircraft propulsion systems. As part of a cross-functional team you will be responsible for the end-end product development cycle of your systems/modules/components with an emphasis on rapidly iterating through design/build/test cycles to achieve our ambitious performance and timing goals.


  • Own the complete product development cycle (conception, design/analysis, prototype build/test iterations, certification, SOP) for a variety of hydrogen fuel cell systems, modules and components
  • Perform all 3D & 2D mechanical design work (CAD)
  • Collaborate with teammates who:
    • Are subject matter experts in electrical, aerodynamic, mechanical and thermal design/analysis to incorporate their expertise into an optimized product
    • Are responsible for adjacent products and higher-level systems to ensure that the overall system delivers the highest performance, reliability and safety with the lowest weight, size & cost.
  • Design & Build Prototypes, including assembly fixtures and tools, document part & build quality
  • Test Prototypes, including designing and building required testing fixtures & setups as well as data acquisition and reporting
  • Actively support testing of higher-level systems, up to and including aircraft flight testing


  • B.S. in Mechanical or Aerospace Engineering (or equivalent)
  • 5+ years of work experience in relevant industries/technologies
  • Strong Engineering & Technical Fundamentals
  • Excellent problem solving & communication skills
  • Participation/Ownership of a full product development cycle
  • High skill level in 3D & 2D Mechanical Design & CAD (including GD&T and DFM)
  • Basic CAE skills (FEA, CFD, engineering programming, LabView, Matlab/Simulink)
  • Practical hands-on experience building & testing new product designs


This position must meet US export control compliance requirements, therefore a candidate must qualify as a “US Person” as defined by 22 C.F.R. § 120.15. “US Person” includes US Citizens, lawful permanent residents, refugees, or asylees.


  • 10+ years of work experience in relevant industries/technologies
  • Experience working on small fast-paced independent teams
  • Relevant (e.g. hydrogen fuel cell systems and components) work experience
  • Advanced CAE skills
  • Basic Program Management experience


Compensation at Joby is a combination of base pay and Restricted Stock Units (RSUs). The target base pay for this position is $98,200-$164,600. The compensation package offered will be determined by location, job-related knowledge, skills, and experience.

Joby also offers a comprehensive benefits package, including paid time off, healthcare benefits, a 401(k) plan with a company match, an employee stock purchase plan (ESPP), short-term and long-term disability coverage, life insurance, and more.


Joby is an Equal Opportunity Employer.


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