Mechanical Technician
hgen
Los Angeles
Posted Aug 4, 2026
- Full-time
Job description
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](https://medium.com/@hgenenergy/why-green-hydrogen-is-necessary-to-hit-zero-emissions-42c8cffba3eb) 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