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The differences between principal environmental scientists and senior environmental scientists can be seen in a few details. Each job has different responsibilities and duties. It typically takes 4-6 years to become both a principal environmental scientist and a senior environmental scientist. Additionally, a principal environmental scientist has an average salary of $98,556, which is higher than the $82,812 average annual salary of a senior environmental scientist.
The top three skills for a principal environmental scientist include environmental services, project management and environmental compliance. The most important skills for a senior environmental scientist are environmental compliance, oversight, and project management.
| Principal Environmental Scientist | Senior Environmental Scientist | |
| Yearly salary | $98,556 | $82,812 |
| Hourly rate | $47.38 | $39.81 |
| Growth rate | 5% | 5% |
| Number of jobs | 92,450 | 56,184 |
| Job satisfaction | - | - |
| Most common degree | Bachelor's Degree, 65% | Bachelor's Degree, 75% |
| Average age | 39 | 39 |
| Years of experience | 6 | 6 |
Principal environmental scientists and senior environmental scientists have different pay scales, as shown below.
| Principal Environmental Scientist | Senior Environmental Scientist | |
| Average salary | $98,556 | $82,812 |
| Salary range | Between $63,000 And $152,000 | Between $60,000 And $113,000 |
| Highest paying City | - | San Francisco, CA |
| Highest paying state | - | California |
| Best paying company | - | Technip USA Corporation |
| Best paying industry | - | Manufacturing |
There are a few differences between a principal environmental scientist and a senior environmental scientist in terms of educational background:
| Principal Environmental Scientist | Senior Environmental Scientist | |
| Most common degree | Bachelor's Degree, 65% | Bachelor's Degree, 75% |
| Most common major | Environmental Science | Environmental Science |
| Most common college | University of Pennsylvania | University of Pennsylvania |
Here are the differences between principal environmental scientists' and senior environmental scientists' demographics:
| Principal Environmental Scientist | Senior Environmental Scientist | |
| Average age | 39 | 39 |
| Gender ratio | Male, 87.7% Female, 12.3% | Male, 69.4% Female, 30.6% |
| Race ratio | Black or African American, 3.1% Unknown, 3.7% Hispanic or Latino, 6.2% Asian, 5.0% White, 81.2% American Indian and Alaska Native, 0.8% | Black or African American, 3.1% Unknown, 3.7% Hispanic or Latino, 6.2% Asian, 5.0% White, 81.2% American Indian and Alaska Native, 0.8% |
| LGBT Percentage | 16% | 16% |