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The differences between senior project scientists and senior principal scientists can be seen in a few details. Each job has different responsibilities and duties. It typically takes 2-4 years to become both a senior project scientist and a senior principal scientist. Additionally, a senior principal scientist has an average salary of $119,042, which is higher than the $106,302 average annual salary of a senior project scientist.
The top three skills for a senior project scientist include GIS, sample collection and OSHA. The most important skills for a senior principal scientist are chemistry, drug discovery, and java.
| Senior Project Scientist | Senior Principal Scientist | |
| Yearly salary | $106,302 | $119,042 |
| Hourly rate | $51.11 | $57.23 |
| Growth rate | 17% | 17% |
| Number of jobs | 48,950 | 85,334 |
| Job satisfaction | - | - |
| Most common degree | Bachelor's Degree, 62% | Bachelor's Degree, 52% |
| Average age | 41 | 41 |
| Years of experience | 4 | 4 |
Senior project scientists and senior principal scientists have different pay scales, as shown below.
| Senior Project Scientist | Senior Principal Scientist | |
| Average salary | $106,302 | $119,042 |
| Salary range | Between $76,000 And $146,000 | Between $83,000 And $169,000 |
| Highest paying City | Sunnyvale, CA | San Francisco, CA |
| Highest paying state | California | California |
| Best paying company | Amazon | Amazon |
| Best paying industry | Retail | Technology |
There are a few differences between a senior project scientist and a senior principal scientist in terms of educational background:
| Senior Project Scientist | Senior Principal Scientist | |
| Most common degree | Bachelor's Degree, 62% | Bachelor's Degree, 52% |
| Most common major | Chemistry | Chemistry |
| Most common college | Duke University | Duke University |
Here are the differences between senior project scientists' and senior principal scientists' demographics:
| Senior Project Scientist | Senior Principal Scientist | |
| Average age | 41 | 41 |
| Gender ratio | Male, 78.5% Female, 21.5% | Male, 80.3% Female, 19.7% |
| Race ratio | Black or African American, 6.4% Unknown, 4.1% Hispanic or Latino, 9.6% Asian, 24.5% White, 55.3% American Indian and Alaska Native, 0.1% | Black or African American, 6.3% Unknown, 4.1% Hispanic or Latino, 9.5% Asian, 26.5% White, 53.6% American Indian and Alaska Native, 0.1% |
| LGBT Percentage | 8% | 8% |