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Specialty Profile · Illinois

Senior Engineer salary in Illinois

A real-employer view of Senior Engineer pay, clustered from DOL OFLC certified filings. Variants like Senior, Lead, and II/III titles fold into this cluster — the wage range below reflects all of them.

Adrian Serafin, founder and editor of RateOrchardBy Adrian SerafinFounderUpdated May 4, 2026
Real disclosed salaries

Senior Engineer in Illinois: actual employer-disclosed pay

Public records from 22 certified H-1B Labor Condition Applications filed with the U.S. Department of Labor. Median offered wage: $90,000. Every figure below is an actual offered salary an employer attested to under federal law.

By DOL wage level

DOL classifies every offer into one of four wage levels based on the role's experience and skill requirements.

LevelFilingsMedian offer
Level I — entry7$76,960
Level II — qualified7$86,736
Level IV — fully competent2$121,337

Top employers filing for this role

Companies with the most certified filings for Senior Engineer in Illinois. Median offer is across all of that employer's filings.

EmployerMost-filed titleFilingsMedian
HBM ENGINEERING GROUP, LLCENGINEER II4$86,736
T.Y. Lin InternationalEngineer, Water1$124,093
Socotec, Inc.Senior Engineer1$115,000
GFT Infrastructure, Inc.Staff Engineer, Bridge1$107,474
Terracon Consultants, Inc.Senior Staff Engineer1$120,000
Structural Technologies Strongpoint, LLCEngineer II1$90,000
Construction Technology Laboratories Inc.Engineer III1$90,875
Geosyntec Consultants, Inc.Senior Engineer1$124,093
Atlas Technical Consultants LLCEngineer 11$70,855
Ames Engineering, IncStaff Engineer1$90,000

Recent sample filings

A snapshot of recent certified offers. Each line is a real, public, verifiable record.

  • Engineer, Water at T.Y. Lin International
    $124,093
    ChicagoDecided Dec 3, 2025I-200-25329-436562
  • Senior Engineer at Socotec, Inc.
    $115,000
    ChicagoDecided Nov 24, 2025I-200-25321-414878
  • Staff Engineer, Bridge at GFT Infrastructure, Inc.
    $107,474
    ChicagoDecided Nov 14, 2025I-200-25309-377119
  • Senior Staff Engineer at Terracon Consultants, Inc.
    $120,000
    LombardDecided Nov 4, 2025I-200-25268-335076
  • Engineer II at Structural Technologies Strongpoint, LLC
    $90,000
    Schiller ParkWage Level IDecided Sep 17, 2025I-200-25253-299571
  • Engineer III at Construction Technology Laboratories Inc.
    $90,875
    Mount ProspectWage Level IIDecided Sep 15, 2025I-200-25251-293483
  • Senior Engineer at Geosyntec Consultants, Inc.
    $124,093
    Oak BrookWage Level IVDecided Aug 1, 2025I-200-25206-200140
  • Engineer 1 at Atlas Technical Consultants LLC
    $70,855
    ChicagoWage Level IDecided Jun 16, 2025I-200-25160-068240

Source: U.S. Department of Labor, Office of Foreign Labor Certification. Disclosed wages reflect what employers attested to pay; actual paid wages may differ. Only certified filings are shown — denied and withdrawn cases are excluded.