BESS Tech II

Job Description

Job Description

Position Summary

The Battery Energy Storage Systems (BESS) Technician II is responsible for advanced operation, inspection, maintenance, and troubleshooting of BESS facilities. Building on the foundational skills of a Level 1 Technician, this role requires deeper technical expertise, independent problem-solving, and the ability to lead safety-critical work. The Technician II supports commissioning, system optimization, and reliability improvements, while mentoring junior technicians and promoting a strong safety culture.

The ideal candidate will bring a strong electrical foundation, with experience in BESS, utility, power generation, substation, transmission, or industrial electrical environments. Experience with high-voltage electrical systems, transformers, switchgear, protective relays, grounding systems, commissioning, troubleshooting, and predictive maintenance is highly desirable.

Primary Duties

• Perform advanced preventive, predictive, and corrective maintenance on BESS equipment, including batteries, inverters, transformers, protection systems, switchgear, and auxiliary systems.
• Lead troubleshooting of electrical, mechanical, and control system issues, including root cause analysis and corrective action planning.
• Conduct and document complex testing, calibrations, and diagnostics of high-voltage and low-voltage systems.
• Perform or support high-voltage switching, electrical isolation, grounding, and equipment commissioning activities in accordance with established procedures and safety requirements.
• Troubleshoot and maintain electrical equipment and systems, including transformers, motors, switchgear, protective relays, grounding systems, and associated controls.
• Review and update plant technical references, prints, drawings, and maintenance procedures.
• Act as Permit Issuer and Control Authority for LOTO, outage coordination, and safety documentation.
• Administer and oversee Job Hazard Analyses (JHAs), Hot Work Permits, Confined Space Permits, and Safe Work Permits.
• Support commissioning, start-up, and acceptance testing of new or upgraded BESS facilities.
• Perform advanced inventory planning, including identifying critical spare parts and recommending stock levels.
• Operate hand tools, power tools, test instruments, forklifts, aerial lifts, and other site equipment in accordance with training and safety protocols.
• Provide technical guidance, mentorship, and support to Level 1 Technicians and new team members.
• Collaborate with engineers, OEM representatives, electrical testing contractors, and remote operations personnel to ensure system performance and reliability.

Additional Duties

• Assist with troubleshooting, maintenance, and repair of non-BESS plant equipment.
• Participate in root cause failure analysis (RCFA) and recommend reliability improvements.
• Support digital systems, including SCADA, instrumentation and controls (I&C), CMMS, and remote monitoring platforms.
• Assist in developing and improving maintenance procedures and best practices.
• Lead or support emergency response activities during outages or abnormal system events.
• Provide feedback on system design, upgrades, and modifications based on field experience.
• Support electrical testing, commissioning, and predictive maintenance activities performed by internal personnel and third-party contractors.
• Perform other duties as assigned.

Working Relationships

• Reports directly to the O&M Manager.
• Provides mentorship and technical guidance to Level 1 Technicians.
• Works closely with engineers, OEMs, commissioning teams, electrical testing contractors, and remote operations staff.

Job Qualifications

Education

• High school diploma or equivalent required.
• Associate degree in Electrical, Mechanical, or related technical field preferred.
• Equivalent military training, electrician training, apprenticeship experience, or industry certifications will be considered.
• Industry certifications such as OSHA, NFPA 70E, First Aid/CPR, confined space, and high-voltage switching are highly desirable.

Experience

• 6 years of experience in BESS operations, maintenance, or commissioning, or related utility, power generation, substation, transmission, or industrial electrical systems.
• Strong electrical experience is highly desirable, particularly experience working as an Industrial Electrician or in a comparable electrical maintenance or operations role.
• Demonstrated experience with high-voltage electrical systems, power electronics, transformers, generators, motors, switchgear, grounding systems, and protection/relay systems.
• Experience with high-voltage switching, commissioning, electrical troubleshooting, and predictive or condition-based maintenance preferred.
• Experience with SCADA and instrumentation and controls (I&C) systems preferred.
• Familiarity with applicable NERC requirements, including PRC and CIP standards, and NFPA 70E and NFPA 70B standards is strongly preferred.
• Experience supporting arc flash programs and coordinating with electrical testing contractors is strongly preferred.
• Prior experience training or mentoring technicians preferred.

Prerequisite Skills & Requirements

• Knowledge of machines, electrical systems, and tools, including their design, use, repair, and maintenance.
• Strong understanding of electrical maintenance and troubleshooting principles, particularly as they apply to high-voltage equipment and industrial or power generation environments.
• Working knowledge of transformers, generators, motors, switchgear, protective relays, grounding systems, and associated electrical equipment.
• Ability to safely perform or support high-voltage switching, isolation, grounding, commissioning, troubleshooting, and testing activities within the individual's qualifications and training.
• Knowledge of electrical safety practices and standards, including NFPA 70E; familiarity with NFPA 70B and arc flash programs preferred.
• Able to perform routine mechanical maintenance on equipment, determining when and what kind of maintenance is needed.
• Able to calculate figures and amounts such as measurements, proportions, percentages, area, circumference, and volume; able to apply concepts of basic algebra and geometry.
• Able to define and solve problems, collect data, establish facts, and draw valid conclusions; able to interpret a variety of instructions furnished in written, oral, diagram, or schedule format.
• Able to organize work with attention to detail and focus on designated tasks despite interruptions and distractions.
• Able to analyze problems and situations and construct logical, practical, and consistent solutions.
• Able to work effectively and efficiently with minimal supervision.
• Excellent interpersonal skills; able to function as a productive and positive team member.
• Computer software proficiency, including familiarity with digital maintenance, monitoring, or control systems.
• Must be available to work extended hours at any plant location as needed, including weekend coverage on a rotational basis, overtime, and coverage for absences and emergencies. Occasional overnight travel will be required.
• Able to understand and comply with all safety rules and regulations.
• Demonstrate good verbal and written communication skills with the ability to read, write, speak, and understand English.
• Demonstrated knowledge of power plant, utility, industrial electrical, or comparable facility maintenance practices.
• Demonstrated ability to read and interpret electrical one-line diagrams, schematics, P&IDs, technical drawings, and equipment manuals; write routine reports; solve potential problems; make competent decisions in emergency situations; and clearly communicate tasks and training to other personnel.
• Have and maintain a valid driver’s license.
• Able to complete all physical requirements of the job with or without reasonable accommodation, including using stairs, climbing ladders, and routinely carrying and moving up to 50 pounds during 12-hour shifts. In addition, must wear protective equipment in the performance of some duties, including hard hats, safety glasses, full- or half-faced respirators, ear protection, chemical suits, hot gloves, and high-voltage protective equipment. Work with hazardous materials may be required.

Safety

Safety is a core value of MRP and, as a condition of employment, all employees are expected to be mentally alert and work safely at all times. Additionally, employees are required to adhere to all safety warnings and posted safety signs whenever on company property.