Marine Battery Systems Technician
Also posted as Battery Systems Technician; Marine Battery Technician; Energy Storage Technician; Shipboard Battery Technician; Battery Maintenance Technician
A marine battery systems technician performs battery inspection, testing and maintenance, charging systems and battery management, and electrolyte, ventilation and thermal safety to keep vessel propulsion, electrical power, and energy systems safe, reliable, compliant, and ready for operation. Most people enter through a paid apprenticeship or utility trainee program rather than a four-year degree.
Below: what it pays, what you'd do, the skills you need, and how to become one.
The role profile
Everything you need to know about this role, the same details employers use to post openings and colleges use to build training.
How much does it pay?
Explore the core responsibilities of this role, from daily operations and equipment handling to safety, quality, and performance requirements.
Inspect and test batteries
Inspect, test, and maintain battery modules, strings, and connections.
Maintain charging systems
Service charging equipment and battery management systems that control state of charge.
Control thermal and gas risk
Manage electrolyte, ventilation, and thermal safety on energy-dense installations.
Troubleshoot propulsion faults
Trace faults across battery, power, and propulsion interfaces.
What skills do you need?
Three core skills sit at the heart of this role. You can learn all of them through short, hands-on training.
Battery Testing
Inspecting and testing modules, strings, and connections for health.
Battery Management Systems
Maintaining chargers and BMS hardware that control charge state.
Thermal & Ventilation Safety
Managing electrolyte, venting, and thermal risk on battery rooms.
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