Expert Systems Analyst salary in St. Louis, MO

Based on 20 certified H-1B filings at DOL wage level IV in the St. Louis, MO-IL metro area, FY2025–FY2026. Includes Saint Louis, Maryland Heights, O Fallon, Clayton, Chesterfield.

Also listed as: Business Systems Analyst

Median salary$135,500
Middle 50%$120.8k–$157.5k
vs. all levels here+51%comparison median $90,000
Filings20FY2025–FY2026 · latest two fiscal years

Salary range

Box: middle 50% of filings. Whiskers: 10th–90th percentile. 99% of filings are between $117,728 and $215,620.
PercentileSalary
10th$117,728
25th$120,801
50th (median)$135,500
75th$157,500
90th$179,597

Salary by year

Median salary

$90k $125k $160k FY2020: median $106,267 (52 filings) FY2021: median $106,704 (38 filings) FY2022: median $109,824 (46 filings) FY2023: median $109,824 (38 filings) FY2024: median $132,933 (11 filings) FY2026: median $146,400 (11 filings) FY20 FY21 FY22 FY23 FY24 FY25 FY26

Filings per year

FY2020: 52 filings FY20 FY2021: 38 filings FY21 FY2022: 46 filings FY22 FY2023: 38 filings FY23 FY2024: 11 filings FY24 FY2025: 9 filings FY25 FY2026: 11 filings FY26 52
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$106,267$106,267$106,26752
FY2021$106,704$105,373$119,61838
FY2022$109,824$106,704$123,85046
FY2023$109,824$109,824$120,66138
FY2024$132,933$123,131$140,25011
FY2025–––9
FY2026$146,400$123,989$169,18711

Cost of living

St. Louis's median expert Systems Analyst salary of $135,500 is worth about $142,500 at national average prices.

Source: BEA Regional Price Parities, 2024 (U.S. = 100; St. Louis = 95.1).

Compared with all workers here

All Computer Systems Analysts in the St. Louis, MO area earned a median of $96,290 in May 2025 (3,920 employed). The H-1B median here is $135,500, 41% 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
Accenturetoo few7
Sigma-Aldrichtoo few4

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

By experience level

Wage levelMedianFilings
Entry-level · Level I $60,341 25
Mid-level · Level II $80,300 105
Senior · Level III $100,256 49
Expert · Level IV $135,500 20

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$56,555$60,34125
Mid-level · Level II$80,288$80,300105
Senior · Level III$100,256$100,25649
Expert · Level IV$117,728$135,50020

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.