Home › Occupations › Mechanical Engineers, R&D › Lemont, IL
Mechanical Engineers, R&D in Lemont, IL: H-1B salaries
50 labor condition applications for this occupation with a work site in Lemont, IL. Median offered base salary $90,063; middle half $71,288–$94,486.
Applications (LCAs)50
Median offered salary$90,063
Middle half of salaries$71,288–$94,486
10th–90th percentile$67,302–$109,922
By wage level
| Wage level | Median salary |
|---|---|
| Level I (entry) | $68,371 |
| Level II (qualified) | $90,063 |
| Level III (experienced) | $92,674 |
| Level IV (fully competent) | $109,922 |
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 |
|---|---|---|
| UChicago Argonne LLC | 50 | $90,063 |
Job titles
- Postdoctoral Appointee12
- Research Scientist6
- Mechanical Engineer5
- Systems Analysis Engineer3
- Research Engineer2
- Assistant Computational Scientist2
- Principal Research Engineer, Intelligent Vehicle Control2
- Technical Manager, Vehicle Technology Assessment1
- Scientific Associate1
- Beamline Scientist1
- Principal Nuclear/Mechanical Engineer1
- Connected and Automated Vehicle Research Engineer1
- Principal Research Engineer1
- ID Operations Manager1
- Staff Scientist1
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).