BESS Field Service Engineer

Evolving Solution Services; Fremont (CA); On-site; USD 90,000 - 120,000; Full time

Job summary

Hithium Energy Storage Technology USA Inc. in Fremont, CA is seeking a Field Service Engineer to lead on-site installation, commissioning and maintenance of BESS projects. You will act as the primary technical expert and customer liaison, ensuring safe, high-quality delivery and minimal downtime.

Requirements include 3+ years of experience with high-voltage electrical systems, inverter and SCADA knowledge, and willingness to travel up to 75% to remote sites. Fluency in English is essential.

Qualifications

• Minimum 3 years of hands-on experience commissioning, troubleshooting and repairing complex electrical systems including high-voltage systems, inverters, transformers, BESS, power electronics and SCADA.
• Degree in Electrical Engineering (EE), Mechanical Engineering (ME) or related field, or equivalent experience.
• Proficiency in interpreting electrical schematics and English-language technical documentation.
• Willingness to travel up to 75% and work safely in harsh outdoor environments.

Responsibilities

• Serve as on-site technical expert and primary customer point of contact for BESS projects.
• Lead end-to-end on-site installation, commissioning, and maintenance to ensure high-quality delivery.
• Diagnose and repair electrical and communication system faults to minimize downtime.
• Coordinate with internal teams and customers for aligned project delivery.

Skills

Field service engineering

Electrical troubleshooting

High voltage systems

Electrical schematics reading

English communication

Education

Electrical Engineering (EE)

Mechanical Engineering (ME)

Tools

SCADA software

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

FullTime Fremont, CA, US

3 days ago Requisition ID: 1002

At HiTHIUM, we’re not just leading the energy sector; we’re revolutionizing it! Hithium Energy Storage ranked No. 2 globally for energy storage battery shipments in 2025, surpassing 100GWh in total global shipments to date. The Field Service Engineer is a pivotal role within the Global Service team, dedicated to supporting Hithium’s rapid expansion in the Americas. This role supports a growing portfolio of 10GWh+ BESS projects, managing the full lifecycle from initial commissioning through long-term maintenance under Long-Term Service Agreements (LTSA). As the primary on-site technical expert and customer-facing lead, you will ensure high-quality, on-time project delivery and the reliable operation of Battery Energy Storage Systems (BESS).

At Hithium, we prioritize a strong work ethic. We are seeking dedicated professionals who take full responsibility for their work, maintain high standards of honesty, and possess the drive to learn and grow alongside our fast-paced global organization.

Key Responsibilities:

• Lifecycle Project Leadership: Serve as the on-site technical expert and primary customer point of contact for BESS projects.
• On-Site Project Execution: Lead the end-to-end on-site execution of system installations, commissioning, and maintenance, ensuring high-quality delivery and on-time completion through seamless coordination with internal teams and customers.
• System Troubleshooting and Repairs: Lead the diagnosis and repair of electrical and communication system faults, implementing effective solutions to maintain optimal BESS performance and minimize downtime.
• Stakeholder Communication: Provide comprehensive technical and project management updates to customers and internal teams to ensure total project alignment.
• Internal Coordination: Drive collaboration across Technical, Quality, and R&D teams to ensure on-time project delivery and develop aligned solutions for field issues.
• Safety & Compliance: Strictly adhere to safety protocols and PPE standards while managing third-party vendor technicians to maintain safe working environments at all Hithium sites.
• Global Collaboration: Work effectively within a multicultural setting, coordinating with overseas teams across various time zones to ensure global service standards are met.

Qualifications:

Experience: Minimum of 3 years of hands-on experience with a proven track record in commissioning, troubleshooting and repairing complex electrical systems, including high-voltage systems, inverters, transformers, BESS, power electronics, and SCADA systems.

Education: A degree in Electrical Engineering (EE), Mechanical Engineering (ME), or a related technical field is preferred, or equivalent professional experience.

Others:

• Proficiency in interpreting electrical schematics and technical documentation in English.
• Professional-level verbal and written communication skills in English.
• Travel: Willingness to travel up to 75% of the time, frequently to remote or challenging locations such as deserts or high-altitude sites.
• Physical Conditions: Ability to independently and safely perform technical work in harsh outdoor environments while strictly adhering to safety and PPE standards.

About Hithium

Hithium Energy Storage Technology USA Inc. manufactures top-quality stationary energy storage products for leading large-scale energy project developers as well as commercial and industrial customers. We're driven by our dedication to quality -- because that's what our customers, the energy transition, and future generations deserve.

Equal Opportunity Employment

Hithium Energy Storage Technology USA Inc. is an equal opportunity employer. We are committed to creating a diverse and inclusive workplace and do not discriminate on the basis of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, veteran status, or any other characteristic protected under applicable federal, state, or local law. We comply with all requirements of the Americans with Disabilities Act and applicable state and local disability laws, and will provide reasonable accommodations to qualified individuals with disabilities throughout the recruitment process upon request.