Outpaid

UChicago Argonne, LLC
Mechanical Engineers, R&D salary
in Lemont, IL

UChicago Argonne, LLC reported a median base wage of $125,982 across 10 certified LCA filings for Mechanical Engineers, R&D (SOC 17-2144) in Lemont, IL. The middle half ran $122,231–$126,281.

Median
$125,982
25th pct
$122,231
75th pct
$126,281
90th pct
$150,312
10 SWORN FILINGS · RANGE $77,729–$152,308
P25 $122KMEDIAN $126KP75 · ASK $126K$77.7K$152K
30 SECONDS · NO SIGNUP · ON-DEVICE

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RECENT FILINGS · PUBLIC DOL CASE NUMBERS

I-200-25317-405185Level IV$152,308
I-200-25307-364741Level II$150,090
I-200-25357-505644Level III$126,381
I-200-26166-014511Level II$125,982
I-200-26022-582669Level II$125,982
I-200-25357-505883Level II$125,982

SAME ROLE, OTHER UCHICAGO ARGONNE, LLC WORKSITES

Source: U.S. DOL OFLC LCA Disclosure Data, FY2026 Q3 (LCA_Disclosure_Data_FY2026_Q3.xlsx), certified full-time filings only; wage = WAGE_RATE_OF_PAY_FROM annualized (base wage offered, not total comp). Blue band: U.S. BLS Occupational Employment and Wage Statistics, May 2025 (national + state), P25–P75 for all employers in the state. Built 2026-10-11. Filings cover visa-sponsored positions and may not represent all employees. Not legal or financial advice.