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18 geoscience jobs at 12 companies in California

1mo
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Geoscience Drafter
Diamond Bar, California, United States
$30-$40/hr OnsitePart Time
Tetra Tech
Tetra TechNASDAQ: TTEK: Global provider of high-end consulting and engineering services.
5+ YOEAssociate degree, 5+ years geotechnical drafting experience, proficiency with AutoCAD and Civil 3D, strong technical design skills, geotechnical background.
AutoCAD, Civil 3D
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2mo
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Geoscience Drafter in Diamond Bar, California, United States
Diamond Bar, California, United States
$30-$40/hr OnsitePart Time
Tetra Tech
Tetra TechNASDAQ: TTEK: Provides global consulting and engineering services for water and environment.
5+ YOEAssociate's degree or equivalent, minimum 5 years geotechnical drafting experience, proficiency with AutoCAD and Civil 3D, and strong technical design skills.
AutoCAD, Civil 3D
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2mo
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GEOPHYSICAL DATA MANAGER
Irvine, California, United States
OnsiteFull Time
hydroGEOPHYSICS
hydroGEOPHYSICS: Specialized provider of subsurface imaging and geophysical consulting services.
3+ YOE3+ years geophysics data processing; BS in geoscience; proficiency with Surfer, Grapher, RockWorks, Excel, Word; some travel.
Surfer, Grapher, RockWorks, Microsoft Excel, Microsoft Word, GPS
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3mo
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Part-Time STEM Teacher K-8
San Diego, California, United States
OnsitePart Time
Keiller Leadership Academy
Keiller Leadership Academy: Provides K-8 education through a public charter school model.
CA Multiple Subject with STEM experience or CA Single Subject Credential in Science (Biological Sciences, Chemistry, Geosciences, Physics)
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2mo
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Geophysical Wireline Logging Engineer
Irvine, California, United States
OnsiteFull Time
hydroGEOPHYSICS
hydroGEOPHYSICS: Specialized provider of subsurface imaging and geophysical consulting services.
1+ YOEBachelor in Geophysics/Geosciences/Geology or Earth Science with 1-4 years fieldwork, or Master with minimal fieldwork; strong repair experience allowed.
Microsoft Office, Geophysical instruments, Winches, Hydraulic systems, Survey equipment
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3mo
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Senior Geophysicist
Sacramento, California, United States
$121k-$187k/yr OnsiteFull Time
Terracon
Terracon: Provides geotechnical, environmental, construction, and facilities engineering services.
8+ YOEBachelor’s degree in engineering or geosciences; 8-11 years experience; Master’s or PhD preferred; valid driver’s license; Professional Geophysicist designation.
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1w
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2026-27 Lecturer Pool Department of Geological Sciences
Bakersfield, California, United States
$6k-$15k/yr OnsitePart Time, Temporary
California State University
California State University: Public university system providing higher education and academic research.
Advanced degree in geoscience or environmental science required; PhD preferred. University-level teaching or relevant professional experience; ability to teach labs and participate in field trips.
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3w
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Science Teacher Grades 6-8
San Diego, California, United States
OnsiteFull Time
Keiller Leadership Academy
Keiller Leadership Academy: Provides K-8 education through a public charter school model.
Single Subject Credential in Physical Science or Geoscience preferred; knowledge of NGSS, experience with English Language Learners/CLAD desired; strong communication, collaboration, and curriculum design skills.
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1d
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Mine Technical Services Manager
Boron, California, United States
$147k-$202k/yr OnsiteFull Time
Rio Tinto
Rio TintoLondon Stock Exchange / Australian Securities Exchange: RIO: Global mining and metals producing essential industrial materials.
10+ YOE10+ MgmtBachelor's degree, 10+ years leading mine technical teams, HSE expertise, project and stakeholder management skills, and strong communication abilities; mining, engineering, or geoscience experience required.
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2w
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Water Resources Engineer / Scientist
Sacramento, California, United States
$90k-$130k/yr OnsiteFull Time
INTERA
INTERA: Geoscience and engineering consulting for environmental and water resources.
5+ YOEBachelor's degree in an engineering/geoscience field, 5+ years water resources experience, groundwater and water-quality monitoring experience, GIS proficiency, strong technical writing and communication skills.
ArcGIS, QGIS, R, Python
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1mo
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Earth Science Associate (Part-time) Instructor Pool 2026 - 2027
Oceanside or Cardiff-by-the-Sea or Carlsbad
$93-$114/hr OnsitePart Time, Temporary
MiraCosta College
MiraCosta College: Public community college offering associate degrees and vocational certification.
Master's degree in geology/geosciences or equivalent OR valid California Community College credential; sensitivity to diverse student populations; ability to prepare and teach courses, evaluate student performance, and maintain records.
Blackboard
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2mo
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Pitcher Project Coordinator
East Palo Alto, California, United States
$28-$34/hr OnsiteFull Time
Sealaska: Managing natural resources and environmental services for Alaska Native shareholders.
0+ YOEBachelor’s in geosciences or engineering, environmental science, or related field OR 2 years experience in environmental/geotechnical industries; strong communication; MS Office skills; drilling/site investigation knowledge preferred.
Microsoft Office, Excel, Word
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15h
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Southern Area District Deputy
Long Beach or Los Angeles County or Sacramento
$10k-$21k/mo HybridFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Requires extensive managerial or broad program management experience, policy formulation and evaluation, multidisciplinary staff leadership, complex problem solving, public administration, and geoscience or climate adaptation policy experience.
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3mo
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PT Geospatial Technology (GIST) Instructor
Los Altos Hills, California, United States
OnsitePart Time
Foothill-De Anza Community College District
Foothill-De Anza Community College District: Public educational district providing community college and workforce training.
Master's in a related earth or geoscience field (or equivalent); teach GIS/geospatial technology courses; prepare and assess student work; submit grades; demonstrate sensitivity to diverse student backgrounds; provide proof of work authorization.
GIS, computer
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2mo
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Middle School Science Teacher, Renaissance Valley Academy, San Jacinto
San Jacinto or Temecula
OnsiteFull Time
Springs Charter Schools
Springs Charter Schools: Operates a network of personalized learning public charter schools.
Valid California Clear or Preliminary Multiple Subject credential with specific science authorization or a Single Subject Science credential (Biological Sciences, Chemistry, Physics, Geoscience). Willingness to obtain emergency permit(s) and missing authorizations within one school year.
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2mo
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ENGINEERING TECH--Geophysical Wireline Logging Engineer or Tech
Tucson or Irvine
$20-$30/hr FieldFull Time
Certerra
Certerra: Testing, inspection, and certification services for critical infrastructure projects.
1+ YOEBachelor's or Master's in geophysics/geosciences/geology or equivalent electro-mechanical experience; 1+ years fieldwork (1–4 yrs typical); valid driver's license and passport; US citizenship; ability to lift 50–150 lbs; up to 70%+ travel; MS Office proficiency.
E-logs, acoustic televiewer, optical televiewer, magnetic resonance, caliper, sonic tools, winch, Microsoft Word, Microsoft Excel, Microsoft Teams, Microsoft SharePoint
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3mo
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Geoscientist I-Irvine, CA
Irvine or Huntington Beach or Santa Ana or Orange or Costa Mesa or Newport Beach or Fountain Valley or Laguna Hills or Tustin
$55k-$70k/yr FieldFull Time
Certerra
Certerra: Testing, inspection, and certification services for critical infrastructure projects.
0+ YOEBachelor's in geophysics/geosciences/geology/related engineering with 2-4 years field experience, OR Master's with little/no experience. Must lift 50-150 lbs, travel up to 70%+, have valid driver's license and passport ability, strong writing and MS Office skills.
Microsoft Office, Microsoft Word, Microsoft Excel, email
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3mo
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Staff Geoscientist II-Irvine, CA
Irvine or Huntington Beach or Santa Ana or Orange or Costa Mesa or Newport Beach or Fountain Valley or Laguna Hills or Tustin
$60k-$85k/yr FieldFull Time
Certerra
Certerra: Testing, inspection, and certification services for critical infrastructure projects.
2+ YOEB.S. in geoscience or related field, 2+ years geophysical services experience (≥50% field time), proficiency in acquisition/processing of resistivity, EM, magnetic, GPR, seismics, field troubleshooting, GPS use, and Surfer/Grapher/RockWorks/Microsoft Excel/Word; able to lift 70 lb; travel up to 60%.
Surfer, Grapher, RockWorks, Microsoft Excel, Microsoft Word, GPS
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