Senior Mechanical Engineer salary in Chicago, IL

Based on 71 certified H-1B filings at DOL wage level III in the Chicago-Naperville-Elgin, IL-IN metro area, FY2025–FY2026. Includes Lisle, Oak Brook, Westmont, Des Plaines, Franklin Park.

Also listed as: Mechanical Design Engineer

Median salary$108,160
Middle 50%$106.9k–$117.3k
vs. all levels here+12%comparison median $96,172
Filings71FY2025–FY2026 · latest two fiscal years

Salary range

Box: middle 50% of filings. Whiskers: 10th–90th percentile. 99% of filings are between $104,874 and $174,918.
PercentileSalary
10th$104,874
25th$106,870
50th (median)$108,160
75th$117,260
90th$140,000

Salary by year

Median salary

$80k $100k $120k FY2020: median $92,500 (51 filings) FY2021: median $99,530 (45 filings) FY2022: median $95,763 (44 filings) FY2023: median $101,695 (40 filings) FY2024: median $107,100 (43 filings) FY2025: median $106,743 (28 filings) FY2026: median $109,011 (43 filings) FY20 FY21 FY22 FY23 FY24 FY25 FY26

Filings per year

FY2020: 51 filings FY20 FY2021: 45 filings FY21 FY2022: 44 filings FY22 FY2023: 40 filings FY23 FY2024: 43 filings FY24 FY2025: 28 filings FY25 FY2026: 43 filings FY26 51
Shaded: FY2025–FY2026, the years behind the figures above. Median shown for years with at least 10 filings. FY2026 covers Q1–Q3 only.
Show as table
Fiscal yearMedianP25P75Filings
FY2020$92,500$89,794$99,00051
FY2021$99,530$92,685$114,81245
FY2022$95,763$92,685$103,57544
FY2023$101,695$99,383$105,90040
FY2024$107,100$102,000$120,00043
FY2025$106,743$104,874$116,51728
FY2026$109,011$106,870$118,90543

Cost of living

Chicago's median senior Mechanical Engineer salary of $108,160 is worth about $104,400 at national average prices.

Source: BEA Regional Price Parities, 2024 (U.S. = 100; Chicago = 103.6).

Compared with all workers here

All Mechanical Engineers in the Chicago, IL area earned a median of $102,070 in May 2025 (6,900 employed). The H-1B median here is $108,160, 6% higher.

Source: U.S. Bureau of Labor Statistics, OEWS metropolitan area estimates. BLS wages include some incentive pay; H-1B figures are base salary.

Employers filing at this level

EmployerMedianFilings
Gamma Technologiestoo few8
HCLTechtoo few4
WSPtoo few3
CNH Industrial Americatoo few3
Institute of Gas Technologytoo few3
Caresoft Global Technologiestoo few2
Caterpillartoo few2
Illinois Tool Workstoo few2
Tolead Logistics Ordtoo few2
Traton R&Dtoo few2

Employers with at least 2 filings here. Median shown at 10+ filings.

By experience level

Wage levelMedianFilings
Entry-level · Level I $75,000 89
Mid-level · Level II $90,106 187
Senior · Level III $108,160 71
Expert · Level IV $130,144 82

Median shown when a level has at least 10 filings.

Minimum H-1B salary by level

Wage levelPrevailing wage (most common)Median offered salaryFilings
Entry-level · Level I$70,200$75,00089
Mid-level · Level II$87,547$90,106187
Senior · Level III$106,870$108,16071
Expert · Level IV$123,635$130,14482

The prevailing wage is the minimum an employer must pay for this job and area. Amounts vary by county within a metro and by wage source.