Iowa Department of Transportation
Engineering Office Assistant
Tammy Siebert in 2025 was employed at Iowa Department of Transportation and had an annual salary of $63,635, according to public records. This salary was 6 percent higher than the average and 3 percent higher than the median salary in Iowa Department of Transportation.
Iowa Department of Transportation records show Tammy Siebert held two jobs from 2020 to 2025. From 2023 to 2025 Tammy Siebert held job of Engineering Office Assistant.
According to the public records employee's salary increased by $7,351 from 2024 to 2025, which is a 13.1 percent rise. Since 2020, the salary has increased by $30,811, a total rise of 93.9 percent.
| Year | 2025 |
| Full Name | Tammy Siebert |
| Original Job Title | Engineering Office Assistant 2 |
| Job Title | Engineering Office Assistant |
| Get Engineering Office Assistant Salary Statistics | |
| State | Iowa |
| Employer | Iowa Department of Transportation |
| Annual Wage | $63,635 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Iowa Department of Transportation |
| Year | 2025 |
| Number of Employees | 3,096 |
| Average Annual Wage | $59,988 |
| Median Annual Wage | $61,818 |
Tammy Siebert (2024)Engineering Office Assistant | View Person Details |
Tammy Siebert (2023)Engineering Office Assistant | View Person Details |
Tammy Siebert (2022)Secretary | View Person Details |
Tammy Siebert (2021)Secretary | View Person Details |
Tammy Siebert (2020)Secretary | View Person Details |
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