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Siamak Koochak, PE

Senior Geotechnical Engineer


Located in

New York, New York

Professional Geotechnical Engineer (PE) in the following states:

  • Washington District of Columbia (DC) No. 40000665
  • Delaware No. 27225
  • Maryland No. 58470
  • Florida No. 91651
  • North Carolina No. 51429
  • New York No. 102600
  • New Jersey No. 24GE05675300
  • Pennsylvania No. 093074
  • South Carolina No. 38626
  • Tennessee No. 124699
  • Wisconsin No. 48868-6
  • Virginia No. 402064900
  • Connecticut No. 0036854
  • Massachusetts No. 58293
  • Michigan No. 6201312810
  • Illinois No. 62075549
  • Ohio No. 89833
  • Bachelor of Science, Civil Engineering, Rutgers The State University of New Jersey, New Brunswick, NJ
  • Master of Science, Civil Engineering, Rutgers The State University of New Jersey, New Brunswick, NJ


  • OSHA 10-hr


Siamak Koochak, PE is a Senior Geotechnical Engineer responsible for overseeing Partner’s various geotechnical investigations in the East region. He has worked on diverse project types including infrastructure, industrial, commercial, hospitality, educational, and institutional.

Mr. Koochak supports the team in both design and construction phase including designing geotechnical subsurface exploration programs, developing subsurface profiles, supervising the field investigations, interpreting and presenting geotechnical laboratory results, conducting design calculations, preparing geotechnical design recommendations and construction considerations reports, and drafting proposals and contract documents. His experience in design and construction includes shallow foundations, deep foundations (driven and drilled piles), retaining wall evaluations, pavement design and placement, and Support of Excavation (SOE) design and installation. He also performs design calculations for pile capacity (axial and lateral), bearing capacity, and soil liquefaction and settlement analyses.


  • 8+ years of experience in geotechnical subsurface investigations
  • 8+ Construction Progress Monitoring
  • 5+ years Construction Monitoring Testing
  • 8+ Concrete and soil Laboratory testing
  • 8+ years Geotechnical Engineering Analysis

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