Employers and Sample Job Ads

Geological, Geophysical, Geotechnical, and Environmental Employers

There is of course a lot of overlap between categories, so the divisions made below are not perfect ...

Sample job ads are also sometimes listed - not that these are necessarily still current, but it gives an idea of what may be possible.

Geophysical Data Acquisition

Pyramid Geophysical Services (Near-surface geophysical imaging for geological, hydrological, environmental, etc., applications). Located in North Carolina.

VistaClara | Nuclear magnetic resonance imaging of aquifers. Direct detection of water, estimation of aquifer properties (e.g., porosity)

Castillo Geophysical | Specializing in seismic surveys with a variety of supporting methods. Also see the Betsy Gun seismic source.

Subsurface Surveys

Applied Geophysics, Inc

Logic Geophysics and Analytics | Extreme Geophysics!

DIAS Geophysical

Collier Geophysics


Quantec Geoscience | Specializing in magnetotelluric geophysical surveys

Sander Geophysics | Airborne geophysical data collection.

Oneida Total Integrated Enterprises



General Consulting

Hydrological, environmental, geotechnical, etc.

GSI Solutions | Geohydrology. Central Coast & Beyond.

Pacific Watershed Associates | Watershed management, geomorphology.

Creeklands Conservation | Watershed management. Non-profit. San Luis Obispo area.

TriHydro | Environmental Engineering Consulting. San Luis Obispo & elsewhere.

ENGEO | Geotechnical and Environmental Consulting.

Ramboll Group | Ramboll Hydrogeophysics Group

NV5 | Environmental and hydrological consulting

WSC Water Systems Consulting

Geosyntec Consultants

Thomas Harder & Co

  • Groundwater consulting (groundwater modeling, managed aquifer recharge, environmental assessment, etc)

  • Sample job ad for a field hydrogeologist (March 2022)

Cleath-Harris Geologists

  • Primarily hydrogeology consulting. San Luis Obispo.