Field Service Technician - I & II

Position Overview HyperStrong International USA Corp is seeking Field Service Technicians to support operation, preventative maintenance, troubleshooting, and corrective maintenance activities for utility-scale Battery Energy Storage Systems (BESS). This role reports to the Field Service Manager. Field Service Technicians are responsible for executing field service activities safely, efficiently, and in accordance with HyperStrong procedures, site requirements, and applicable safety standards. This role supports both scheduled maintenance and unscheduled corrective service activities and works closely with Commissioning, Engineering, and HSE teams as required. Technician Level Distinction This position covers both Field Service Technician I and Field Service Technician II, depending on qualifications, experience, and demonstrated technical competency. Field Service Technician I An entry- to mid-level role responsible for independently executing assigned preventive and corrective maintenance tasks in accordance with established procedures and safety requirements. This level typically targets 1-3 years of relevant field or technical experience. Field Service Technician II A more experienced role with expanded responsibility for independently performing advanced troubleshooting, complex diagnostics, and providing on-site technical leadership for service activities. This level typically targets 4+ years of relevant field or technical experience. Key Responsibilities Perform preventative and corrective maintenance activities on utility-scale Battery Energy Storage Systems (BESS), including Energy Stations, battery enclosures, power conversion systems (PCS), auxiliary systems, and associated electrical infrastructure. Execute assigned service tasks in accordance with approved procedures, work instructions, and safety requirements. Conduct inspections, testing, and verification activities to support equipment reliability, system availability, and safe operation. Identify equipment abnormalities, alarms, or fault conditions and perform initial troubleshooting within defined scope and procedures. Support advanced troubleshooting activities in coordination with Field Service Managers, Commissioning Engineers, and Engineering support as required. Accurately document maintenance activities, findings, corrective actions, and system conditions in service reports and work management systems. Comply with site safety plans, OSHA requirements, NFPA 70E, lockout/tagout procedures, and HyperStrong safety policies at all times. Maintain tools, test equipment, and assigned service assets in proper working condition. Communicate effectively with site personnel and corporate team members, and follow established escalation protocols to report safety concerns, equipment issues, abnormal conditions, or schedule impacts in a timely and professional manner. Support commissioning activities and retrofit work as required, including assisting with equipment installation verification, system modifications, testing support, and post-implementation validation in accordance with approved procedures. Maintain custody and accountability for site-level spare parts, tools, and consumables, including proper storage, identification, usage tracking, and coordination of replenishment requests in accordance with HyperStrong procedures. Requirements Ability to safely perform field service work in energized and de-energized environments in accordance with established procedures and safety requirements Working knowledge of electrical safety practices, including lockout/tagout, arc flash awareness, and job hazard analysis Ability to read and follow maintenance procedures, work instructions, and technical documentation Proficiency using hand tools, test equipment, and diagnostic instruments applicable to field service activities Strong attention to detail and ability to document work accurately and completely Ability to communicate clearly and professionally with site personnel, customers, and internal teams Willingness to work rotating schedules, respond to service needs, and support after-hours or emergency work as required Ability to read, write, and communicate effectively in English. Preferred Qualifications BESS, Medium Voltage Systems, and Power-Electronics experience Work Location Assigned to report to a project daily Travel & Work Conditions 10% - 25% travel. Full-time, onsite.

Pay:

$65,000.00 - $105,000.00 per year

Benefits:

401(k) Dental insurance Flexible spending account Health insurance Health savings account Paid time off Vision insurance

Work Location:

Hybrid remote in Los Banos, CA 93635