Senior Commissioning & Field Engineer

Hgen
Hgen

Los Angeles, CA, USA

Posted on Aug 5, 2026
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 Senior Commissioning & Field Engineer, you will lead the commissioning and deployment of the electrolyzer modules in our factory and at the customer sites around the country. Your testing will ensure that our systems are ready for delivery and that we have a clear plan for how to deliver and integrate the electrolyzer modules at our customers' facilities. This role offers the opportunity to work in a fast-paced, collaborative startup environment, where your contributions will have a direct impact on the future of decarbonization.

Responsibilities

  • Devise, author, review, and execute test plans for factory acceptance testing, certification, and checkouts at customer sites

  • Develop clear plans for transit, including preparation and lifting operations

  • Resolve technical issues with innovative and resourceful solutions

  • Coordinate mechanical, fluid, and electrical work at customer sites in advance of and during deployment, including sourcing and managing remote vendors and contractors

  • Develop and execute maintenance procedures and schedules at customer sites

  • Create and maintain piping and instrumentation diagrams (P&IDs) and the component and instrumentation lists for deployments and key test configurations

  • Track, organize, and manage spare parts inventory for maintenance

  • Support development testing and test stand upgrades as needed

  • Other duties as assigned

Basic Qualifications

  • Bachelor's degree in a relevant engineering discipline (mechanical, aerospace, electrical, etc.)

  • 5+ years of experience developing and commissioning control systems in hydrogen production, fuel cells, oil and gas, chemical plants, energy infrastructure or other relevant industries

  • Strong understanding of fundamental principles in mechanical, fluid, power, and control systems

  • Ability to lift up to 50 lbs unassisted

  • Able to work on-site in Hawthorne, CA

  • Ability to travel to sites around the US (approx 20% time), including extended travel (about 1 month) for deployments

Preferred Skills & Experience

  • Proven ability to interface with multidisciplinary functions of mechanical, electrical, and fluid systems

  • Experience and demonstrated proficiency in developing and implementing comprehensive work instructions and test procedures

  • A history of working directly with hardware and subsystems including, instrumentation, power systems, hazardous fluids, and structures in a controlled environment

  • Familiarity with industrial controls & data acquisition systems including Beckhoff TwinCAT and Ignition HMI platforms

  • Experience with Class I Div 2 hazardous environments, high and low voltage AC and DC systems

  • Knowledge of fluid components and instruments (pumps and motors, valves, regulators, heat exchangers, flow meters) and high power electrical systems (switchgear, transformers, rectifiers, VFDs)

Professional Qualities

  • When given a set of guiding objectives and principles, you can identify, prioritize, and execute on tasks with minimal supervision

  • A willingness to jump in and work side-by-side with technicians

  • You have strong organizational, documentation follow-through skills and take pride in the quality of your work

  • You are passionate about decarbonization and addressing climate change