- Designing and developing electrical systems for marine vessels
- Installing and commissioning electrical systems on ships
- Supervising the work of marine engine technicians
- Inspecting and testing electrical systems and equipment
- Maintaining and repairing electrical systems and equipment
- Designing tray routes and electrical panel positions
- Creating single-line diagrams of lighting and other electrical panels
- Supervising the installation, cabling, and termination of electrical equipment
- Independently testing and commissioning electrical panels
- Loading testing D.G. sets
- Presenting surveys of electrical systems to relevant authorities