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The differences between wastewater treatment engineers and senior engineers can be seen in a few details. Each job has different responsibilities and duties. While it typically takes 2-4 years to become a wastewater treatment engineer, becoming a senior engineer takes usually requires 4-6 years. Additionally, a senior engineer has an average salary of $108,743, which is higher than the $75,324 average annual salary of a wastewater treatment engineer.
The top three skills for a wastewater treatment engineer include process design, design drawings and water treatment plant. The most important skills for a senior engineer are java, python, and architecture.
| Wastewater Treatment Engineer | Senior Engineer | |
| Yearly salary | $75,324 | $108,743 |
| Hourly rate | $36.21 | $52.28 |
| Growth rate | 4% | 2% |
| Number of jobs | 4,305 | 343,200 |
| Job satisfaction | - | - |
| Most common degree | Bachelor's Degree, 61% | Bachelor's Degree, 68% |
| Average age | 43 | 41 |
| Years of experience | 4 | 6 |
Wastewater treatment engineers and senior engineers have different pay scales, as shown below.
| Wastewater Treatment Engineer | Senior Engineer | |
| Average salary | $75,324 | $108,743 |
| Salary range | Between $41,000 And $138,000 | Between $82,000 And $144,000 |
| Highest paying City | - | San Mateo, CA |
| Highest paying state | - | California |
| Best paying company | - | Roku |
| Best paying industry | - | Start-up |
There are a few differences between a wastewater treatment engineer and a senior engineer in terms of educational background:
| Wastewater Treatment Engineer | Senior Engineer | |
| Most common degree | Bachelor's Degree, 61% | Bachelor's Degree, 68% |
| Most common major | Chemical Engineering | Electrical Engineering |
| Most common college | Georgia Institute of Technology | Michigan Technological University |
Here are the differences between wastewater treatment engineers' and senior engineers' demographics:
| Wastewater Treatment Engineer | Senior Engineer | |
| Average age | 43 | 41 |
| Gender ratio | Male, 83.6% Female, 16.4% | Male, 89.1% Female, 10.9% |
| Race ratio | Black or African American, 3.5% Unknown, 3.8% Hispanic or Latino, 10.2% Asian, 12.8% White, 69.3% American Indian and Alaska Native, 0.4% | Black or African American, 3.1% Unknown, 4.5% Hispanic or Latino, 7.9% Asian, 17.1% White, 67.2% American Indian and Alaska Native, 0.1% |
| LGBT Percentage | 13% | 5% |