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Chemical Engineers in St. Louis, MO: H-1B salaries
26 labor condition applications for this occupation with a work site in St. Louis, MO. Median offered base salary $88,742; middle half $65,562–$103,827.
By wage level
| Wage level | Median salary |
|---|---|
| Level I (entry) | $61,428 |
| Level II (qualified) | $89,000 |
| Level IV (fully competent) | $140,234 |
The Department of Labor sets four prevailing wage levels for each occupation and area, from Level I (entry) to Level IV (fully competent). The employer picks the level that matches the job's requirements.
Employers
| Employer | LCAs | Median salary |
|---|---|---|
| Washington University | 10 | $64,341 |
| L&T Technology Services Limited | 7 | $89,837 |
| Thermo Fisher Scientific Inc. | 3 | $105,669 |
| Bayer U.S. LLC | 2 | $140,234 |
| Bayer CropScience LP | 2 | $131,612 |
| Air Products & Chemicals, Inc. | 1 | $98,300 |
| Sigma-Aldrich Manufacturing LLC | 1 | $115,000 |
Job titles
- Chemical Process Engineer6
- Postdoctoral Research Associate5
- Principal Process Engineer3
- Senior Scientist2
- Principal Engineer1
- Scientist III, Process Development1
- Staff Research Scientist1
- Chemical Engineer1
- Senior Staff Scientist1
- Staff Scientist1
- Sr. Scientist1
- Chemical Process Engineer II1
- Staff Scientist, Manufacturing Sciences1
- Staff Engineer, Manufacturing Sciences1
H-1B sponsors in St. Louis, MO →
Salaries are the lower end of the wage offered on each application, converted to a yearly amount; statistics use certified full-time applications only. An LCA is not a visa approval and one LCA can cover several positions. Source: U.S. Department of Labor, OFLC LCA Disclosure Data, fiscal years 2023–2026 (latest decision Jun 30, 2026).