Senior Mechanical Engineer salary in Boston, MA

Based on 58 certified H-1B filings at DOL wage level III in the Boston-Cambridge-Newton, MA-NH metro area, FY2025–FY2026. Includes Cambridge, Waltham, Danvers, Wilmington, Andover.

Also listed as: Mechanical Design Engineer

Median salary$129,329
Middle 50%$125k–$139.7k
vs. all levels here+18%comparison median $110,000
Filings58FY2025–FY2026 · latest two fiscal years

Salary range

Box: middle 50% of filings. Whiskers: 10th–90th percentile. 99% of filings are between $101,137 and $166,450.
PercentileSalary
10th$121,909
25th$125,000
50th (median)$129,329
75th$139,650
90th$146,090

Salary by year

Median salary

$90k $115k $140k FY2020: median $106,000 (22 filings) FY2021: median $110,000 (32 filings) FY2022: median $113,623 (34 filings) FY2023: median $113,037 (45 filings) FY2024: median $113,700 (40 filings) FY2025: median $128,000 (29 filings) FY2026: median $130,715 (29 filings) FY20 FY21 FY22 FY23 FY24 FY25 FY26

Filings per year

FY2020: 22 filings FY20 FY2021: 32 filings FY21 FY2022: 34 filings FY22 FY2023: 45 filings FY23 FY2024: 40 filings FY24 FY2025: 29 filings FY25 FY2026: 29 filings FY26 45
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$106,000$100,984$112,10022
FY2021$110,000$105,935$115,00032
FY2022$113,623$108,793$116,03034
FY2023$113,037$111,093$121,00045
FY2024$113,700$108,992$130,00040
FY2025$128,000$122,720$141,62529
FY2026$130,715$125,000$139,34429

Cost of living

Boston's median senior Mechanical Engineer salary of $129,329 is worth about $119,500 at national average prices.

Source: BEA Regional Price Parities, 2024 (U.S. = 100; Boston = 108.3).

Compared with all workers here

All Mechanical Engineers in the Boston, MA area earned a median of $119,300 in May 2025 (6,890 employed). The H-1B median here is $129,329, 8% 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
Abiomedtoo few3
Applied Materialstoo few3
SharkNinja Operatingtoo few3
Analog Devicestoo few2
Dassault Systemes Americastoo few2
Onto Innovationtoo few2
Rockwell Automationtoo few2
Volta Labstoo few2

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

By experience level

Wage levelMedianFilings
Entry-level · Level I $85,000 68
Mid-level · Level II $103,231 96
Senior · Level III $129,329 58
Expert · Level IV $148,717 44

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$84,531$85,00068
Mid-level · Level II$103,210$103,23196
Senior · Level III$121,909$129,32958
Expert · Level IV$140,587$148,71744

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.