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Senior Mechanical Design Engineer

Job in Los Angeles, Los Angeles County, California, 90079, USA
Listing for: Hgen
Full Time position
Listed on 2026-02-01
Job specializations:
  • Engineering
    Mechanical Engineer, Manufacturing Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Hgen's mission is to achieve a clean and sustainable energy future through tackling emissions in hard-to-decarbonize industries. By enabling cheap and abundant clean hydrogen, Hgen can help to decarbonize the >10% of total global emissions that are best addressed with clean hydrogen. Learn more about why clean hydrogen is critical for achieving zero-emissions.

As a Senior Mechanical Design Engineer
, you will drive the design and delivery of key components of the our electrolysis cell, stack and system. You will own the success of the core components, from our lab-scale prototypes, to production-scale systems. This role will leverage your knowledge, experience, and creativity to develop novel design solutions that are simple, reliable, and manufacturable. You will play a critical role at Hgen, working within a fast and collaborative start-up environment to develop and commercialize Hgen's advanced alkaline electrolyzer.

Responsibilities
  • Own the design and development of core components of Hgen's advanced alkaline electrolyzer, from the cell and stack through balance of plant
  • Act as the chief engineer, engaging in cross-disciplinary collaboration with engineering and research team arrive at the simplest solutions
  • Help drive system-level architecture, with component capabilities and vulnerabilities in mind, to minimize total cost of hydrogen production.
Basic Qualifications
  • Bachelor's degree in a relevant engineering discipline (mechanical, aerospace, etc.)
  • 5+ years of experience designing and analyzing complex mechanical systems
  • Strong understanding of fundamental principals in fluid/gas systems and solid mechanics
Preferred Skills and Experience
  • Experience designing, building, testing and troubleshooting complex mechanical components and systems
  • Industry and hand-on experience with designing high pressure fluid, gas, and/or high voltage systems
  • Experience with design for manufacture, and wide range of manufacturing processes for metals and polymers
  • Experienced with rapid iterative prototyping through NPI production ramp-up
  • Experience in fast-paced iterative design and prototyping environments
Professional Qualities
  • Strong interpersonal and collaborative skills, enthusiasm for complex problem solving, and desire to optimize systems holistically
  • Strong project management skills and effective communication of technical concepts across multi-disciplinary teams
  • First principles based decision making
  • Passionate about decarbonization and addressing climate change
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Position Requirements
10+ Years work experience
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