Home › Occupations › Network and Computer Systems Administrators › O'Fallon, MO
Network and Computer Systems Administrators in O'Fallon, MO: H-1B salaries
54 labor condition applications for this occupation with a work site in O'Fallon, MO. Median offered base salary $86,450; middle half $76,461–$94,390.
By wage level
| Wage level | Median salary |
|---|---|
| Level I (entry) | $61,999 |
| Level II (qualified) | $82,596 |
| Level III (experienced) | $93,434 |
| Level IV (fully competent) | $141,074 |
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 |
|---|---|---|
| Wipro Limited | 27 | $82,417 |
| Wise Equation Solutions Inc | 5 | $94,390 |
| Cognizant Technology Solutions US Corp | 2 | $92,469 |
| Hih Inc. | 2 | $93,434 |
| Convergeone, Inc. | 2 | $141,074 |
| Everymarket Inc | 2 | $60,670 |
| Compunnel Software Group, Inc | 2 | $81,850 |
| RGA Enterprise Services Company | 2 | $102,258 |
| Core Software Technologies Inc | 1 | $93,309 |
| World Wide Technology Holding Company, LLC | 1 | $120,000 |
| Mastercard International Incorporated | 1 | $105,000 |
| 21 Staff LLC | 1 | $81,000 |
| Cloud88 Inc | 1 | $65,000 |
| TekDoyenGroup LLC | 1 | $88,000 |
| Flexasoft LLC | 1 | $75,338 |
| Tech Mahindra (americas), Inc | 1 | $75,338 |
| Om Shree Sahajanand Inc. | 1 | $92,300 |
| Nartal Systems, Inc. | 1 | $86,500 |
Job titles
- Lead Administrator L116
- Administrator L36
- Lead Administrator L24
- UNIX Administrator4
- Network Engineer3
- Senior Unified Communications Engineer2
- Network and Computer Systems Administrator2
- Network and System Administrator2
- IT Business Analyst2
- Sr. Systems Administrator1
- Lead Network Engineer1
- Manager JC50 - Network and Computer Systems Administrators1
- Identity and Access Management Engineer1
- System Engineer L41
- Network Security Engineer1
H-1B sponsors in O'Fallon, MO →
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).