Mid-level Systems Engineer / Architect salary in St. Louis, MO
Based on 238 certified H-1B filings at DOL wage level II in the St. Louis, MO-IL metro area, FY2025–FY2026. Includes Maryland Heights, Chesterfield, Saint Louis, O'fallon, Creve Coeur.
Salary range
| Percentile | Salary |
|---|---|
| 10th | $79,789 |
| 25th | $81,012 |
| 50th (median) | $82,763 |
| 75th | $86,400 |
| 90th | $108,050 |
Salary by year
Median salary
Filings per year
Show as table
| Fiscal year | Median | P25 | P75 | Filings |
|---|---|---|---|---|
| FY2020 | $70,000 | $68,869 | $81,300 | 277 |
| FY2021 | $71,000 | $66,602 | $91,795 | 171 |
| FY2022 | $76,212 | $70,054 | $86,923 | 176 |
| FY2023 | $83,678 | $76,378 | $95,000 | 138 |
| FY2024 | $83,678 | $83,678 | $84,000 | 211 |
| FY2025 | $82,763 | $82,763 | $86,400 | 156 |
| FY2026 | $79,789 | $79,789 | $90,901 | 82 |
Cost of living
St. Louis's median mid-level Systems Engineer / Architect salary of $82,763 is worth about $87,000 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 Engineers/Architects in the St. Louis, MO area earned a median of $108,450 in May 2025 (7,330 employed). The H-1B median here is $82,763, 24% lower.
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
| Employer | Median | Filings |
|---|---|---|
| Tata Consultancy Services | $82,763 | 37 |
| Cognizant | $82,763 | 35 |
| Infosys | $79,789 | 25 |
| Wipro | $86,400 | 21 |
| UST | $111,726 | 10 |
| HCLTech | too few | 6 |
| Virtusa | too few | 5 |
| LTIMindtree | too few | 4 |
| BlueRibbon Global Technologies | too few | 3 |
| Compunnel Software Group | too few | 3 |
Employers with at least 2 filings here. Median shown at 10+ filings.
By experience level
| Wage level | Median | Filings |
|---|---|---|
| Entry-level · Level I | $63,750 | 18 |
| Mid-level · Level II | $82,763 | 238 |
| Senior · Level III | $102,149 | 205 |
| Expert · Level IV | $123,240 | 149 |
Median shown when a level has at least 10 filings.
Minimum H-1B salary by level
| Wage level | Prevailing wage (most common) | Median offered salary | Filings |
|---|---|---|---|
| Entry-level · Level I | $63,357 | $63,750 | 18 |
| Mid-level · Level II | $82,763 | $82,763 | 238 |
| Senior · Level III | $102,149 | $102,149 | 205 |
| Expert · Level IV | $121,555 | $123,240 | 149 |
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.