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Geological Field Assistant Jobs in California (NOW HIRING)

... assist in trouble-shooting and preventative maintenance. * Self-perform or oversee remediation ... Requirements Qualification Requirements * BS or MS in geological sciences; 3-5 years of collective ...

Field Geologist/Team Lead

Ventura, CA · On-site

$70K - $90K/yr

... assist in trouble-shooting and preventative maintenance. * Self-perform or oversee remediation ... Qualification Requirements * BS or MS in geological sciences; 3-5 years of collective experience

The Field Engineer / Geologist will assume numerous other roles ranging from Assistant Field Operator to Project Coordinator as the ever-changing demands of the workplace dictate. A successful ...

The Field Engineer / Geologist will assume numerous other roles ranging from Assistant Field Operator to Project Coordinator as the ever-changing demands of the workplace dictate. A successful ...

The Field Engineer / Geologist will assume numerous other roles ranging from Assistant Field Operator to Project Coordinator as the ever-changing demands of the workplace dictate. A successful ...

The Field Engineer / Geologist will assume numerous other roles ranging from Assistant Field Operator to Project Coordinator as the ever‑changing demands of the workplace dictate. A successful ...

Assistant Geologist

Sacramento, CA · On-site

$24.48 - $34.38/hr

Oversee field monitoring and testing of soils including boring investigations and soil type ... Be responsible for maintaining quality standards on all projects. * Entry level geological ...

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Oversee field monitoring and testing of soils including boring investigations and soil type ... Be responsible for maintaining quality standards on all projects. * Entry level geological ...

New

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Project Geologist

Lake Elsinore, CA · On-site

$70K - $120K/yr

Conduct site reconnaissance and geologic mapping * Assist with slope stability evaluations and ... Bachelor's degree in Civil Engineering, Geological Engineering, Geology, or related field * 4+ ...

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Project Geologist

Lake Elsinore, CA · On-site

$70K - $120K/yr

Conduct site reconnaissance and geologic mapping * Assist with slope stability evaluations and ... Bachelor's degree in Civil Engineering, Geological Engineering, Geology, or related field * 4+ ...

... field and laboratory data. * Assist with evaluation of: * Foundation conditions and allowable ... S. or M.S. in Civil Engineering, Geological Engineering, Geotechnical Engineering, or a related ...

... field and laboratory data. * Assist with evaluation of: * Foundation conditions and allowable ... S. or M.S. in Civil Engineering, Geological Engineering, Geotechnical Engineering, or a related ...

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Geological Field Assistant information

What does a geological field assistant do?

A Geological Field Assistant supports geologists in the field by collecting rock, soil, and water samples, recording data, and operating equipment. They often help with mapping, sample labeling, and ensuring the safety and organization of field operations. Their work is essential for mineral exploration, environmental studies, and research projects. The role typically requires physical stamina, attention to detail, and the ability to work in remote outdoor environments.

What are the key skills and qualifications needed to thrive as a geological field assistant, and why are they important?

To thrive as a Geological Field Assistant, you need a basic understanding of geology, strong observational skills, and often a diploma or degree in geology or earth sciences. Familiarity with GPS devices, geological mapping software, and sampling equipment is typically required. Excellent teamwork, adaptability, and strong communication skills are crucial for effective fieldwork and data collection. These skills and qualities ensure accurate data gathering in challenging environments and support successful geological research or exploration projects.

What are some common challenges geological field assistants face while working in remote locations?

Geological Field Assistants often work in remote and rugged environments, which can present challenges such as unpredictable weather, limited access to amenities, and difficult terrain. Adapting to these conditions requires good physical fitness, strong problem-solving skills, and the ability to work independently for extended periods. Additionally, communication with the main office or team may be limited, so effective planning and self-sufficiency are crucial for success in the field.

What is the difference between Geological Field Assistant vs Geoscience Technician?

AspectGeological Field AssistantGeoscience Technician
Required CredentialsHigh school diploma or equivalent; some roles may prefer technical certificationsAssociate's degree or technical certification in geology or earth sciences
Work EnvironmentOutdoor field sites, remote locations, and laboratoriesLaboratories, field sites, and office settings
Employer & Industry UsageMining, environmental consulting, geological surveysGeological and environmental firms, research institutions
Common Search & Comparison IntentYesYes

The main difference between a Geological Field Assistant and a Geoscience Technician lies in their educational requirements and scope of work. Geological Field Assistants typically have a high school diploma and assist with field data collection, while Geoscience Technicians often hold an associate's degree and perform more technical tasks in labs and field environments. Both roles are essential in geological projects, but they differ in responsibilities and qualifications.

What cities in California are hiring for Geological Field Assistant jobs?

Cities in California with the most Geological Field Assistant job openings:

Infographic showing various Geological Field Assistant job openings in California as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 84% Full Time, 12% Part Time, and 2% Contract. Highlights an 85% Physical, 3% Hybrid, and 12% Remote job distribution.

Field Geologist/Team Lead

Ventura, CA

$70K - $90K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 8 days ago


Job description

Description

The Oneida ESC Group is a family of companies owned by the Oneida Nation of Wisconsin that delivers customer-focused engineering, science, and construction services worldwide.  


Our family of companies include:  Oneida ESC Group (OESC), Oneida Total Integrated Enterprises (OTIE), Mission Support Services (MS2), Sustainment & Restoration Services (SRS) and Oneida Engineering Solutions (OES). We integrate our staff for dedicated, cooperative, and business-like delivery of services to enhance our customers' missions.

Sustainment & Restoration Services (SRS) is a Small Business that provides engineering, science, construction, munitions, and specialized professional services solutions for customers nationwide.


SRS has an immediate opening for Field Geologist/Field Team Lead (FTL)/Site Safety and Health Officer (SSHO) in our Santa Barbara or Ventura offices. Full-time position in the Santa Barbara or Ventura offices, working primarily in California.


Field Events Planning, Data Collection, Subcontractor Oversight

  • Review and understanding of all relevant work plans and health & safety plans prior to initiating field work.
  • Responsible for field work preparation including ensuring all necessary subcontracts are in place, all materials and equipment are in hand, and any training or reviews are completed before hand.
  • Fulfillment of data quality objectives (DQOs) for all field collected data and samples; responsible for data quality during pre-field preparations, field work execution, sample management, and documentation. 
  • Supervision of drilling and well installations, including all documentation.
  • Lithologic/soil descriptions per standard references.
  • Soil, groundwater, sediment, surface water, air, and waste characterization sampling per established protocols and approved sampling and analysis plans. 
  • Complete all required field documentation either via tablet or legible handwritten field sheets; provide to project manager or archive as directed. 
  • Perform routine operation and maintenance tasks on remedial equipment up to level of experience and competency under direction of supervising engineer and assist in trouble-shooting and preventative maintenance.
  • Self-perform or oversee remediation projects, which may include injection of emulsified vegetable oil, chemical oxidants, or other injectable materials.


Data Evaluations/Reports (under Senior Technical Supervision)

  • Support development and refinement of conceptual site models per established project objectives and approved work plans.
  • Research and develop accurate and relevant descriptions of site geology and hydrogeology, including geologic/hydrogeologic/geochemical/biological/etc. controls on contaminant fate and transport. 
  • Develop groundwater elevation contour maps, estimate gradients (horizontal, vertical), flow directions, including analytical and digital modeling.
  • Evaluate potential receptors (surface water, extraction/production wells, human, ecological) to contaminated groundwater, soil vapor.
  • Evaluate fate and transport of chemicals of concern.
  • Produce data visualization products (work with CADD/GIS on products).


Project Support

  • Provide project management support such as tracking schedules, preparing routine progress reports.
  • Support project procurement activities including developing subcontractor scopes of work, researching subcontractors, pricing, tracking status of bids, and coordinating with contract manager.

Requirements

Qualification Requirements

  • BS or MS in geological sciences; 3-5 years of collective experience
  • Excellent computer skills in Microsoft Word, Excel, Outlook, PowerPoint, SharePoint.
  • Good communication skills, verbal and written.
  • Able to work independently and as part of a team
  • Willing to travel on projects throughout the United States; generally not more than 2 weeks at a time.
  • Must be able to pass Federal Background Check in order to gain access to project sites
  • Must be able to pass DMV check and maintain acceptable driving record


Preferred Qualifications

  • Professional Geologist (PG) license obtained or on track to obtain.



Compensation: 70-90k/ Annually + Benefits



Benefits: 

  • 16 Days of Paid Time Off 
  • 8 Paid Holidays 
  • 401(k) Retirement Plan with Company Match 
  • Medical, Dental and Eye Insurance 
  • Employee Referral Program 
  • Tuition Reimbursement 
  • Employee Assistance Program (EAP) 
  • Wellness Program 
  • Multiple Voluntary Medical Benefits 


About Us:

The Oneida ESC Group is a family of companies owned by the Oneida Nation of Wisconsin that delivers customer-focused engineering, science, and construction services worldwide.

Our family of companies includes:

  • Oneida ESC Group (OESC)
  • Oneida Professional Services (OPS)
  • Oneida Total Integrated Enterprises (OTIE)
  • Mission Support Services (MS2)
  • Sustainment & Restoration Services (SRS)
  • Oneida Engineering Solutions (OES)
  • General Mechanical Corporation (GMC)
  • LG2 Environmental Solutions (LG2)
  • Oneida Environmental (OE)

We integrate our staff for dedicated, cooperative, and business-like delivery of services to enhance our customers' missions.


Equal Employment Opportunity:

Oneida ESC Group is an equal opportunity employer committed to inclusion and diversity in the workplace. We take affirmative action to ensure equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws, national origin, disability, veteran status, or other legally protected characteristics.

Oneida ESC Group participates in the E-Verify program. Learn more about the E-Verify program. https://www.e-verify.gov/

Oneida ESC Group is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Oneida ESC Group makes hiring decisions based solely on qualifications, merit, and business needs at the time.