Senior BESS Service Technician

The Senior BESS Field Service Technician serves as a frontline technical expert supporting utility-scale Battery Energy Storage Systems across Texas and North America. This role is responsible for ensuring safe, reliable operation of customer assets through preventive & corrective maintenance, troubleshooting, emergency response and commissioning activities. The position offers direct exposure to leading-edge energy storage technologies and provides a pathway into field leadership, commissioning and technical specialist roles.

• Perform preventative and corrective maintenance and troubleshooting of:
  Utility-scale lithium-ion energy storage systems
• Battery DC Blocks
• Battery Management Systems (BMS)
• Power Conversion Systems (PCS)
• Medium-voltage transformers
• EMS & SCADA Systems
• Balance of Plant Equipment, including MV Switchgear, Switches, Circuit Breakers, Reclosers, Protection relays, etc.
• Perform remote monitoring and SCADA-based diagnostics.
• Execute switching, LOTO and electrical safety procedures.
• Develop service reports, maintenance records and root-cause analyses.
• Lead complex field troubleshooting activities and mentor junior technicians.
• Support emergency call-out response and rotating on-call coverage.
• Keep maintenance logs, visitor logs, and other records associated with the contract scope of work requirements.
• Interface with Owner/Operator and the Nidec BESS Project Manager and Engineering team when anomalies occur.
• Initiate the procurement and shipping of crucial repair parts (if required).
• Initiate the issuance of Return Materials Authorization (RMA).
• Support commissioning, startup, energization and performance testing.
• Display professionalism, proactively interface, and effectively communicate with the customer to build and maintain an elevated level of customer satisfaction.
• Maintain working knowledge of safety policies and regulations to ensure duties of self and others are performed in a safe manner.
• Use Salesforce software to log customer interactions pertaining to Service and RMA cases.

Position may require up to 80% travel in the field for the purpose of:
Supporting customers in Texas primarily and across North American as needed Training, on products and systems produced by Nidec Energy Systems & Nidec Conversion, including experiential training on projects and service interventions. In the case of work at customer sites:
Considerable amount of walking may required. May require climbing of staircases and access ladders, working at heights, in tight spaces, outdoors in hot and cold weather. May require lifting up to 70 lbs and operating lifting equipment (fork trucks, etc.) Field work requires wearing and working in appropriate safety gear. Carry service bag (25-50 lbs.), laptop case/caddy, as well as other trade tools.

• Associate degree in Electrical Technology, Electronics, Renewable Energy or related discipline preferred.
• Military technical training accepted.
• NFPA 70E required.
• OSHA-10 required.
• NETA and NABCEP certifications preferred.
• Valid Driver’s License required;
  Valid U.S. Passport, or passport of employee’s country of origin.
• Must be able to pass a federal background check.
• Must be able to legally work in the United States without sponsorship.

• Prior experience on Tesla, Fluence, Powin, Wärtsilä, Sungrow, CATL, BYD, Risen/SYL or similar platforms is highly valued.
• Minimum 3-5 years of relevant experience in utility-scale BESS, solar, wind, power generation, industrial electrical maintenance, substations, UPS systems or power conversion equipment.
• Strong understanding of power electronics, AC/DC systems, battery technologies, relay protection and SCADA systems.
• Ability…