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Salary
≈ $40k – $71k per year (Estimated)
Location
In office (Los Angeles)
Seniority
Junior · 2+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 1, 2026. First seen by Alion on Aug 4, 2026.

Overview
Company
Impact
Profile match
Hgen's world-class team of former Tesla and SpaceX product and engineering leaders has experience scaling energy products and delivering technical moonshots.

Hgen's mission is to achieve a clean and renewable energy future through providing foundational molecules for critical industries. By enabling cheap and abundant clean hydrogen, Hgen aims to help decarbonize the more than 10% of global emissions that are best addressed with hydrogen. Learn more about why clean hydrogen is critical for achieving zero-emissions.

Description

    As a Mechanical Technician, you will play a crucial role in building the prototypes and test stands that form the backbone of our cutting-edge hydrogen production technology. You will use your hands-on skills to fabricate and assemble electrolyzer stacks, construct mechanical structures, and install mechanical piping and tubing. This is an exciting opportunity to work in a fast-paced, collaborative startup environment, where your contributions will have a direct impact on the development and scaling of breakthrough clean energy technology.

Responsibilities

  • Fabricate and assemble electrolyzer stacks, ensuring high standards for consistency, cleanliness, and quality

  • Build and integrate mechanical and fluid systems into the electrolyzer system and balance of plant

  • Diagnose and repair any mechanical or fluid issues, ensuring that all systems operate safely and efficiently

  • Work closely with engineers to understand design requirements and ensure that builds meet technical specifications and safety standards

  • Accurately record build processes, modifications, nonconformances, and test results to support traceability and improvements to system design and production processes

  • Other duties as assigned

Basic Qualifications

  • High school diploma or equivalent

  • 2+ years of experience in hardware assembly, test, maintenance, or similar roles

  • Ability to lift up to 50 lbs unassisted

  • Able to work on-site in Hawthorne, CA

Preferred Skills & Experience

  • Experience with fabricating tubing and fittings for high-pressure fluid and gas systems, perform basic operations (leak test, proof test), and the ability to work safely in these environments

  • Proficiency in using hand tools, power tools, and machines (lathe, mill, laser cutter, welder) to build and assemble complex systems

  • Ability to safely operate forklifts (5-15k lb) with non-standard loads and use lifting equipment (gantries, slings, shackles, etc…)

  • Familiarity with reading and interpreting engineering drawings, schematics (P&IDs), work instructions, and technical documents

  • Strong problem-solving skills and the ability to troubleshoot mechanical systems

Professional Qualities

  • Strong attention to detail and diligent in following work instructions

  • Commitment and pride in high-quality workmanship

  • Ability to work both independently and as part of a team in a fast-paced, dynamic environment

  • Effective communication skills, with the ability to collaborate closely with engineers and other team members

  • Curiosity into the system design and operation

  • Enthusiasm for hands-on work and a passion for contributing to the development of clean energy technology

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