| Aspect | D11 | D12 |
|---|
| Required Certifications | Typically requires a relevant technical certification or license | Similar certifications, often with additional specialization |
| Work Environment | Fieldwork or on-site technical tasks | Fieldwork with increased responsibility or complexity |
| Industry Usage | Common in technical, engineering, or maintenance roles | Progression role with more advanced duties |
The main difference between D11 and D12 lies in experience level and responsibility. D12 roles usually require more expertise and handle more complex tasks compared to D11. Both positions are common in technical industries and often share similar certifications, but D12 positions typically involve greater responsibility and specialization.