Field Service Technician II (Southern CA)

Doosan Corporation; San Diego (CA); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Tools & company truck

Gas card

Holiday pay on call

On-call weekend pay

Job summary

HyAxiom is seeking a Field Service Technician II to provide hands-on maintenance and repair for Doosan fuel cell installations on-site in Southern California. You will participate in commissioning at new sites and support troubleshooting and repair of existing units.

Qualifications include 4–6+ years in field service for electrical/mechanical systems, an AA/AS degree, and a valid driver's license. Some travel and company vehicle provisions apply.

Qualifications

• 4-6+ years of hands-on experience servicing/troubleshooting products containing electrical and mechanical components.
• AA/AS with 2-4+ years of experience.
• E1/E2 or P1/P2 license preferred.
• Valid Driver's License required.

Responsibilities

• Troubleshoot and repair fuel cells at customer sites under guidance.
• Collaborate on commissioning of new fuel cell installations.
• Troubleshoot ancillary equipment used for fuel cell operation.

Skills

Electrical knowledge

Plumbing knowledge

Fuel processing systems

Troubleshooting

Computer systems

Analytical thinking

Education

AA/AS degree

Driver's license

E1/E2 or P1/P2 license preferred

Job description

Select how often (in days) to receive an alert: Create Alert

Field Service Technician II (Southern CA)

Last Updated Date: Sep 29, 2026

Location: San Diego, CA, US, 91901

Company: HyAxiom

Background

At HyAxiom, we develop, manufacture and service hydrogen fuel cells along with other innovative hydrogen energy solutions. We are a leading provider of stationary fuel cell solutions in some of the world’s largest and fastest-growing markets for utility, industrial and commercial customers. Being the hydrogen business pillar of Doosan Group, we share in their rich history as being a part of the oldest South Korean conglomerate operating in the global energy, manufacturing, and construction sector. Our products serve those who seek cleaner and more sustainable energy sources to lower their carbon footprint.

Our mission is to accelerate a carbon-free energy future by delivering a full spectrum of reliable and cost-effective hydrogen solutions. We seek to be at the forefront of the hydrogen revolution through the development of next-generation technologies for clean hydrogen production and clean fuel cell solutions for land and maritime transportation. Our current product line-up ranges from electrolyzers for scalable green hydrogen production and fuel cells for stationary and mobility applications.

Job Information

The Field Service Technician II provides hands-on maintenance and repair services on-site for Doosan’s fleet of fuel cell installations. This position will participate in the commissioning of new fuel cells at new sites, as well as support of troubleshooting, testing and repair activities on existing fuel cell installations.

Role & Responsibility

• Under appropriate guidance and direction, performs troubleshooting and repairs on fuel cells installed at customer sites.
• Collaborates with others on commissioning of new fuel cell installations
• Performs service and troubleshooting on ancillary equipment used for overall fuel cell operation.
• Understands principles of large distribution switchgear 480-volt systems.
• Experience with computer systems, preferably remote monitoring, and control systems.
• Understands mechanical and electrical componentry, plumbing, and systems operation.
• Will increasingly utilize the fuel cell remote monitoring system to control fuel cell, as directed
• Utilize electrical schematics to troubleshoot electrical components
• Domestic and overseas travel as needed
• Overtime is as required or needed
• Company vehicle operation and maintenance
• Company expense reporting in a timely manner

Job Requirement - Education & Experience

• 4-6+ years of hands-on experience servicing/troubleshooting products containing a variety of components electrical and mechanical
• AA/AS with 2-4+ years of experience, as noted above
• E1/E2 or P1/P2 license preferred
• Valid Driver's License required

Job Requirement - Knowledge & Skill

• Knowledge of electrical, plumbing and fuel processing systems
• Some training and experience with troubleshooting systems
• Some relevant trades training and experience
• Experience with computer systems
• Analytical thinking

Other

Opening in Southern CA area (San Diego), training will be in be in South Windsor, CT

Frequent travel is required for this position.

Along with competitive salary and benefits, we offer:

• Tools and Company truck with gas card
• Holiday pay for on call (8 hours)
• On call weekend pay (8 hours) - 1 Sat a month

All personal information will be kept confidential according to EEO guidelines.

Questions can be addressed through the HR department at [phone] or [e-mail]