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As of August 01, 2026, the average salary for a Scientist IV in Illinois is $149,627 per year, which breaks down to an hourly rate of $72.
However, a Scientist IV's salary can vary significantly. Here’s a look at the typical salary range:
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Scientist IV Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $167,353 | $13,946 | $3,218 | $80 |
| Average | $149,627 | $12,469 | $2,877 | $72 |
| 25th Percentile | $138,162 | $11,514 | $2,657 | $66 |
Kaiser Permanente - COUNTRY PARK ACRES, NC
Central Admixture Pharmacy - NEW ORLEANS, LA
Mclane Company, Inc. - RADISSON, NY
Marriott International, Inc - MARCO ISLAND, FL
A Scientist IV's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location and company size can directly affect your earning potential.
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Scientist IVs. For example, consider the average annual salaries in these key locations:
Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:
For Scientist IV roles, the industry you choose can affect earning potential by as much as 80% (the gap between the highest and lowest paying industries). Data shows that the Software & Networking and Energy & Utilities sectors offer the strongest compensation, at 50% above the average. In contrast, Scientist positions in Retail & Wholesale or MFG Nondurable typically offer lower base pay, as these industries often view Scientist IV as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Software & Networking | $224,441 | $108.0 | 50% |
| Energy & Utilities | $194,515 | $94.0 | 30% |
| Biotechnology | $179,553 | $86.0 | 20% |
Understanding how a Scientist IV's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $167,353 | $13,946 | $3,218 | $80 |
| Average | $149,627 | $12,469 | $2,877 | $72 |
| 25th Percentile | $138,162 | $11,514 | $2,657 | $66 |
Ready to take the next step in your career? Browse thousands of current Scientist IV job openings on our job board. Use the search bar below to find your perfect match.
Marriott
FEDERAL HEIGHTS, CO
Marriott | FEDERAL HEIGHTS, CO
Engineer IV – Facilities & Maintenance Marriott International, Inc., a global leader in hospitality, seeks an Engineer IV to lead complex facilities and ma... more
6 Days Ago
Mutual of Omaha
STAFFORD, TX
Mutual of Omaha | STAFFORD, TX
Mutual of Omaha is seeking an experienced Underwriter IV to lead complex risk assessment and drive profitable growth within our Insurance department. You w... more
6 Days Ago
ManTech International
CHANTILLY, VA
ManTech International | CHANTILLY, VA
At ManTech, we are dedicated to providing advanced technology and solutions to secure our national security. We are seeking a Data Scientist who will lever... more
6 Days Ago
Amazon
TIMES SQUARE, WA
Amazon | TIMES SQUARE, WA
Amazon is seeking an Applied Scientist for Amazon Music to design, build, and deploy ML models that power personalized music discovery for millions of cust... more
6 Days Ago
ManTech International
WEST SPRINGFIELD, VA
ManTech International | WEST SPRINGFIELD, VA
At ManTech, we are dedicated to providing advanced technology and solutions to secure our national security. We are seeking a Data Scientist who will lever... more
7 Days Ago
Kaiser Permanente
COUNTRY PARK ACRES, NC
Kaiser Permanente | COUNTRY PARK ACRES, NC
Kaiser Permanente seeks a Systems Administrator IV to lead the design, implementation, and support of complex health systems infrastructure. You will manag... more
7 Days Ago
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