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Geological Sample Tester Jobs (NOW HIRING)

We support clients with daily reporting, materials testing coordination, schedule tracking, and ... Responsibilities may include field investigations, geological mapping, groundwater sampling, data ...

New

We support clients with daily reporting, materials testing coordination, schedule tracking, and ... Responsibilities may include field investigations, geological mapping, groundwater sampling, data ...

New

We support clients with daily reporting, materials testing coordination, schedule tracking, and ... Responsibilities may include field investigations, geological mapping, groundwater sampling, data ...

New

We support clients with daily reporting, materials testing coordination, schedule tracking, and ... Responsibilities may include field investigations, geological mapping, groundwater sampling, data ...

New

Performing outdoor, all-season, on-site geotechnical and geological investigations as well as ... samples * Performing field hydraulic conductivity and infiltration testing and evaluations

Performing outdoor, all-season, on-site geotechnical and geological investigations as well as ... samples * Performing field hydraulic conductivity and infiltration testing and evaluations

Performing outdoor, all-season, on-site geotechnical and geological investigations as well as ... samples * Performing field hydraulic conductivity and infiltration testing and evaluations

Performing outdoor, all-season, on-site geotechnical and geological investigations as well as ... samples * Performing field hydraulic conductivity and infiltration testing and evaluations

Performing outdoor, all-season, on-site geotechnical and geological investigations as well as ... samples * Performing field hydraulic conductivity and infiltration testing and evaluations

Performing outdoor, all-season, on-site geotechnical and geological investigations as well as ... samples * Performing field hydraulic conductivity and infiltration testing and evaluations

... geological professional responsible for gathering data and information to be evaluated by other team members. * Performs sampling and testing of water, soil, and other materials. * Tabulate and ...

... geological professional responsible for gathering data and information to be evaluated by other team members. * Performs sampling and testing of water, soil, and other materials. * Tabulate and ...

Performing outdoor, all-season, on-site geotechnical and geological investigations as well as ... samples * Performing field hydraulic conductivity and infiltration testing and evaluations

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Geological Sample Tester information

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$10

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How much do geological sample tester jobs pay per hour?

As of Jun 6, 2026, the average hourly pay for geological sample tester in the United States is $25.58, according to ZipRecruiter salary data. Most workers in this role earn between $15.87 and $30.77 per hour, depending on experience, location, and employer.

What is the difference between Geological Sample Tester vs Geologist?

AspectGeological Sample TesterGeologist
CredentialsHigh school diploma or equivalent; technical certifications often preferredBachelor's degree or higher in geology or earth sciences
Work EnvironmentLaboratories, field sampling sites, mining operationsField sites, research labs, consulting firms
Job FocusAnalyzing and testing rock and soil samples for composition and qualityStudying earth processes, mapping, and interpreting geological data
Industry UsageMining, construction, environmental testingNatural resource exploration, environmental consulting, academia

While both roles involve working with geological materials, Geological Sample Testers focus on analyzing samples in labs and field settings, whereas Geologists conduct broader geological research and assessments. The roles differ mainly in education requirements and scope of work, but both are essential in the geology industry.

What are the key skills and qualifications needed to thrive as a Geological Sample Tester, and why are they important?

To thrive as a Geological Sample Tester, you need a background in geology or earth sciences, experience with sample collection and analysis, and at least an associate degree in a related field. Familiarity with laboratory equipment, analytical techniques such as X-ray fluorescence (XRF), and data management systems is typically required. Attention to detail, strong organizational skills, and effective communication help ensure accurate and reliable results. These skills are crucial for maintaining data integrity and supporting informed decision-making in mining, environmental, and research projects.

What are some common challenges Geological Sample Testers face when collecting and analyzing samples in the field?

Geological Sample Testers often encounter challenges such as working in remote or harsh environments, where weather and terrain can make sample collection physically demanding. Ensuring sample integrity during transport and preventing contamination are critical concerns that require careful handling and adherence to strict protocols. Additionally, accurately recording data and collaborating with geologists and laboratory teams are essential for successful analysis and reporting. Overcoming these challenges helps ensure reliable results that inform exploration and environmental decisions.

What does a Geological Sample Tester do?

A Geological Sample Tester is responsible for collecting, preparing, and analyzing rock, soil, and mineral samples to determine their composition and properties. They work in laboratories or in the field to support geologists in identifying valuable resources or assessing environmental conditions. Their work helps in exploration for oil, gas, minerals, and in environmental monitoring and site assessments. They use specialized equipment to conduct tests and record data, ensuring accuracy and compliance with safety standards.
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What cities are hiring for Geological Sample Tester jobs? Cities with the most Geological Sample Tester job openings:
What job categories do people searching Geological Sample Tester jobs look for? The top searched job categories for Geological Sample Tester jobs are:
What are popular job titles related to Geological Sample Tester jobs? For Geological Sample Tester jobs, the most frequently searched job titles are:
Technology Center Scientist

Technology Center Scientist

EOG Resources, Inc.

Weatherford, TX

Full-time

Posted 15 days ago


EOG Resources rating

8.1

Company rating: 8.1 out of 10

Based on 16 frontline employees who took The Breakroom Quiz

21st of 74 rated oil and gas companies


Job description

Seeking an experienced Laboratory Technician to support advanced rock characterization and core analysis activities within our Weatherford Laboratory. Duties include operating a Scanning Electron Microscope (SEM) system while also supporting broader conventional and unconventional core analysis workflows.
The ideal candidate will have strong laboratory experience, mechanical aptitude, analytical discipline, and hands-on familiarity with geological sample handling and core analysis procedures. This position will work closely with geologists, petrophysicists, engineers, alongside laboratory staff to generate high-quality analytical data supporting reservoir characterization, completion optimization, and field development programs across EOG's asset portfolio.
This is a technician-focused role requiring both instrument operation and practical laboratory execution in a fast-paced applied research and operations environment.
 
Primary Responsibilities
SEM & Imaging Operations
  • Operate and maintain Scanning Electron Microscope (SEM) and Energy Dispersive Spectroscopy (EDS) systems.
  • Acquire high-quality secondary electron (SE) and backscatter electron (BSE) images of geological materials, including elemental analysis and mineral identification using EDS workflows.
  • Assist with development and optimization of SEM imaging procedures for unconventional reservoir characterization.
  • Prepare geological samples including core plugs, slabbed core, cuttings, polished mounts and Ion-milled samples including conductive coating and maintaining sample prep equipment
  • Organize and archive analytical images and laboratory data.
 
Core Analysis Support
  • Support routine and specialized core analysis workflows on conventional and unconventional reservoir samples.
  • Assist with laboratory testing including porosity and permeability measurements, fluid saturation analysis, extractions & drying, rock sample preparation, Special Core Analysis Testing 
  • Maintain accurate sample tracking, chain-of-custody, and QA/QC documentation.
 
Laboratory Operations
  • Coordinate analytical priorities and sample workflows with technical staff and project teams.
  • Assist in generating presentation-quality figures, photomicrographs, and laboratory summaries.
  • Support continuous improvement of laboratory workflows, efficiency, and analytical consistency.
  • Work effectively across multiple simultaneous projects and shifting operational priorities.

 
Desired Attributes
  • Strong hands-on laboratory mindset. Willing / able to be on your feet most of the day.
  • Detail-oriented and highly organized.
  • Self-motivated with strong initiative.
  • Ability to learn and adapt to new analytical technologies.
  • Team-oriented with strong communication skills.
  • Capable of balancing analytical precision with operational efficiency.
 
Work Environment
  • Laboratory-based position requiring standing, lifting, and handling of rock samples and laboratory equipment.
  • Frequent microscope and computer workstation use.
  • Occasional movement of core boxes and analytical equipment.
  • Laboratory safety compliance required at all times.
 

Associate's degree or Bachelor's degree, preferred in:

  • Geology, Petroleum Technology, Materials Science, Chemistry, Engineering Technology, or related technical field
  • Minimum 5-10+ years of laboratory experience in one or more of the following: Core analysis, Geological laboratory operations, SEM or microscopy, Petrophysical laboratory testing
  • Strong mechanical aptitude and troubleshooting ability.
  • Experience handling and preparing geological core or rock samples.
  • Strong organizational skills and attention to detail.
  • Ability to safely operate laboratory equipment and follow established procedures.
  • Proficiency with standard computer software and digital data management.
 
Preferred Qualifications
  • Direct experience operating SEM/EDS instrumentation.
  • Experience in oil and gas core analysis laboratories.
  • Familiarity with unconventional shale reservoir characterization.
  • Knowledge of pore system analysis, mineralogy, organic matter imaging, or microfracture characterization.
  • Experience with laboratory QA/QC systems and analytical documentation.
  • Experience with image analysis or geological imaging software.
  • Familiarity with core handling procedures.
  • Understanding of routine core analysis (RCAL) and/or special core analysis (SCAL) methodologies.

Position will be filled at a level commensurate with experience.

EOG Resources is an Equal Opportunity Employer, including Veterans and Disabled.
 
Education:Employment Type: FULL_TIME

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