Senior Geotechnical Engineer — Bridges & Infrastructure

Greenman-Pedersen, Inc; Melville (NY); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

401(k) plan

ESOP

Medical/dental/vision plans

Paid time off

Job summary

Greenman-Pedersen, Inc. is seeking an experienced geotechnical engineer to lead geotechnical design for highway, bridge, transit, and maritime projects in New York.

You will coordinate with structural engineers on foundations, earth-retaining systems, and design criteria, while planning subsurface investigations and evaluating analyses. The role requires 8+ years in geotechnical design for transportation projects, NY P.E.

Qualifications

• B.S. in Civil Engineering with a Geotechnical focus; M.S. Geotechnical strongly preferred.
• 8+ years of geotechnical design and field experience on transportation projects.
• New York P.E., or the ability to obtain within 6 months.
• Proficiency with geotechnical software (gINT, LPILE/pyWall/Group, SLIDE/Rocscience, Settle3, FLAC/PLAXIS or equivalents).
• Working knowledge of AASHTO LRFD, NYSDOT/MTA/Port Authority standards, and common construction means and methods.
• Strong technical writing, QA/QC, and communication skills; ability to lead coordination with multidisciplinary teams.
• Valid driver’s license and ability to visit project sites.

Responsibilities

• Lead geotechnical engineering for highway, bridge, transit, and maritime projects—from scoping and work planning through final design delivery.
• Serve as the primary interface with structural engineers, ensuring seamless coordination on foundations, earth-retaining systems, design criteria, and constructability.
• Plan and oversee subsurface investigations (borings, test pits), lab testing programs, instrumentation, and prepare GDRs/GBRs.
• Perform and review geotechnical analyses: deep and shallow foundations, ground improvement, MSE/SE walls, soil nails, tiebacks/anchors, settlement and consolidation, slope stability, lateral soil–structure interaction, seismic analyses, and liquefaction evaluation.
• Prepare calculations, drawings, specifications, technical memos, and geotechnical design reports in accordance with AASHTO LRFD and NYS agency standards.
• Provide construction-phase support, including RFIs, submittals, load tests, excavation support, and vibration/settlement monitoring.
• Mentor junior engineers and collaborate closely with structural, roadway, and construction inspection teams.
• Contribute to proposals, LOE estimates, and client presentations; help shape pursuit strategies for major infrastructure programs.

Skills

Geotechnical Design

Bridge Projects

Project Leadership

Field Investigation

Coordination

Education

B.S. Civil Engineering (Geotechnical focus)

M.S. Geotechnical Engineering (preferred)

Tools

gINT

LPILE

PLAXIS

Settle3

FLAC/PLAXIS

Job description

Greenman-Pedersen, Inc. is seeking an experienced geotechnical engineer to lead geotechnical design for highway, bridge, transit, and maritime projects in New York.

You will coordinate with structural engineers on foundations, earth-retaining systems, and design criteria, while planning subsurface investigations and evaluating analyses. The role requires 8+ years in geotechnical design for transportation projects, NY P.E.