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Hydrogen Engineer Jobs in California (NOW HIRING)

Hgen

Senior Manufacturing Engineer

Los Angeles, CA · On-site

$120 - $160/hr

Learn more about why clean hydrogen is critical for achieving zero-emissions. Description As a ... You will work closely with design engineers to ensure the systems can be produced effectively ...

Hgen

Senior Manufacturing Engineer

Los Angeles, CA · On-site

$98K - $134K/yr

Learn more about why clean hydrogen is critical for achieving zero-emissions. Description As a ... You will work closely with design engineers to ensure the systems can be produced effectively ...

Hgen

Senior Manufacturing Engineer

Los Angeles, CA

$98K - $134K/yr

Learn more about why clean hydrogen is critical for achieving zero-emissions. Description As a ... You will work closely with design engineers to ensure the systems can be produced effectively ...

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Showing results 21-40

All JobsHydrogen Engineer JobsHydrogen Engineer Jobs in California

Hydrogen Engineer information

See California salary details

$30.6K

$94.5K

$125.8K

How much do hydrogen engineer jobs pay per year?

As of Aug 15, 2026, the average yearly pay for hydrogen engineer in California is $94,542.00, according to ZipRecruiter salary data. Most workers in this role earn between $79,900.00 and $114,500.00 per year, depending on experience, location, and employer.

What are some typical daily responsibilities for a hydrogen engineer?

On a typical day, a Hydrogen Engineer may be involved in designing, analyzing, and optimizing hydrogen production, storage, and distribution systems. Tasks often include conducting feasibility studies, preparing technical reports, reviewing safety protocols, and overseeing the installation and testing of hydrogen equipment. The role also requires regular collaboration with multidisciplinary teams, such as project managers, safety specialists, and R&D scientists. This dynamic work environment offers opportunities to innovate within the clean energy sector and contribute to the advancement of sustainable energy solutions.

What is a hydrogen engineer?

A Hydrogen Engineer is a professional who designs, develops, and optimizes hydrogen production, storage, and distribution systems. They work with technologies like electrolysis, fuel cells, and hydrogen transportation to support clean energy initiatives. Their role may involve research, safety assessments, and implementing hydrogen infrastructure for industries such as transportation, energy, and manufacturing.

What are the key skills and qualifications needed to thrive in the hydrogen engineer position, and why are they important?

To thrive as a Hydrogen Engineer, you need a solid background in chemical, mechanical, or process engineering, often supported by a relevant degree and practical experience in hydrogen systems or fuel cell technology. Familiarity with specialized modeling software (such as Aspen HYSYS or AutoCAD), safety standards, and certifications like Certified Hydrogen Safety Professional is valuable. Strong problem-solving skills, effective communication, and collaboration are essential soft skills in this role. These abilities are critical for ensuring safe, efficient, and innovative hydrogen project development in this rapidly evolving sector.

What are the most commonly searched types of Hydrogen Engineer jobs in California?

The most popular types of Hydrogen Engineer jobs in California are:

What job categories do people searching Hydrogen Engineer jobs in California look for?

The top searched job categories for Hydrogen Engineer jobs in California are:

What cities in California are hiring for Hydrogen Engineer jobs?

Cities in California with the most Hydrogen Engineer job openings:

Hydrogen Engineer jobs near you
Infographic showing various Hydrogen Engineer job openings in California as of August 2026, with employment types broken down into 88% Full Time, 5% Part Time, 2% Temporary, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $94,542 per year, or $45.5 per hour.

Senior Manufacturing Engineer Hardware

Front Door Defense

Hawthorne, CA • On-site

$110 - $180/hr

Other

Posted 8 days ago

Job description

Senior Manufacturing Engineer Oversee end-to-end manufacturing of electrolyzer systems for scalable production

Location: Los Angeles, California

About The Role Senior Manufacturing Engineer

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.

As a Senior Manufacturing Engineer, you own the planning and execution of the electrolyzer stack, balance of plant, and any necessary tooling. You will work closely with design engineers to ensure the systems can be produced effectively, efficiently, and at accelerating rates. 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
  • Coordinate cross-functional efforts across design, supply chain, and production to execute the build process: covering planning, sourcing strategies, sequencing, MBoM development, tooling, equipment and work order creation
  • Author work instructions and processes that allow interdisciplinary teams to build effectively while ensuring quality standards are met
  • Manage production team priorities, offer technical direction, drive execution, and support professional development of team members
  • Support manufacturing and assembly shop layouts
  • Design production tooling, jigs, and platforms to improve build consistency and rate
  • Other duties as assigned
Basic Qualifications
  • Bachelor's degree in a relevant engineering discipline (mechanical, aerospace, etc.)
  • 5+ years of experience building complex mechanical systems
  • Strong understanding of fundamental principles in mechanical and fluid systems
  • Ability to lift up to 50 lbs unassisted
  • Able to work on-site in Hawthorne, CA
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
  • Experience working on build, test of complex assemblies at the system and subsystem level
  • Experience with scaling manufacturing processes from development through rate production
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
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