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Geological Sample Tester Jobs (NOW HIRING)

Sample Preparation Technician

Twin Falls, ID · On-site

$17.50 - $23.25/hr

... testing and data-driven insights to build a healthier future. About the role Independently weigh prepared pulp for the analysis of geological samples. Uses correct methods in accordance with ...

Sample Preparation Technician

Twin Falls, ID · On-site

$17.50 - $23.25/hr

... testing and data-driven insights to build a healthier future. About the role Independently weigh prepared pulp for the analysis of geological samples. Uses correct methods in accordance with ...

... 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 ...

... 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 ...

Collect and manage geological samples, including blanks, duplicates, and standards * Cut core ... Specific gravity measurements and point load testing * GPS collar location collection and database ...

Geologist

Ventura, CA · Hybrid

$35 - $41/hr

... and concrete sampling and testing. * Assist in geotechnical report preparation including ... Geological Sciences (MS preferred) * 1-2 years professional experience in the field and have CA ...

Oversee field monitoring and testing of soils including boring investigations and soil type ... and sampling; environmental assessments including Phase I/II site assessments; seismic risk ...

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Geological Sample Tester information

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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.
More about Geological Sample Tester jobs
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:
Project Geologist, Staff Geologist, Senior Staff Geologist

Project Geologist, Staff Geologist, Senior Staff Geologist

AGS Inc.

San Francisco, CA • On-site

$70K - $140K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 8 days ago


Job description

Position Overview


We are seeking a motivated Geologist at entry-level to project geologist level to join our

geotechnical engineering /geology team in downtown San Francisco. This position offers hands-on

experience in construction observation, subsurface exploration, and laboratory testing in an urban

environment. The role is ideal for recent graduates or early-career professionals as well as

experienced geologist looking to build a strong technical foundation in geotechnical and

engineering geology practice.


This position includes project management, proposal and report writing, fieldwork on active

construction sites across the Bay Area, with responsibilities that directly support foundation

construction, earthwork operations, and geotechnical investigations. Clients include San

Francisco Public Utilities Commission, San Francisco Department of Public Works, US Army Corp

of Engineers, San Francisco International Airport, Oakland International Airport, San Francisco

Unified School District, Oakland Unified School District, and East Bay Municipal Utilities District.


Primary Responsibilities (varies with experience)

Field Responsibilities (approximately 30 to 70%):

• Perform field sampling and logging during drilling operations, including:

o Standard Penetration Tests (SPTs), Modified California (Mod Cal) sampling, Shelby

tube sampling, and Bulk sampling for laboratory testing

• Perform infiltration/percolation tests

• Observe and document deep foundation installations, including:

o Micropiles, Auger-cast piles, Push-in piles, etc.

• Observe tieback installations and testing

• Observe backfill placement and compaction operations

• Prepare daily field reports, field boring logs, and field installation logs

• Coordinate with drillers, contractors, and project engineers in the field

• Reviewing construction documents such as plans and specifications


Office Responsibilities (approximately 30% to 70%):

• Support laboratory testing in the in-house geotechnical laboratory

• Assist with permits, workplans, site-specific data review, proposals, and report preparation

• Compile boring logs and field documentation

• Support geotechnical analyses and project deliverables


Minimum Qualifications

• Bachelor’s degree in Geology, Engineering Geology, Geological Sciences, or a related

field / Graduate degree is a plus

• Strong interest in engineering geology, geology, geotechnical and environmental site

assessments and investigations, and construction observation

• Willingness and ability to perform regular fieldwork in urban construction environments

• Ability to work flexible hours as required by construction schedules

• Strong written and verbal communication skills

• Ability to work both independently and as part of a team

• Detail oriented, resourceful, well organized, and self-motivated

• Valid driver’s license


Preferred Experience (Not Required)

• Prior geotechnical field experience

• Geologist-In-Training certification

• Familiarity with Bay Area geology

• Familiarity with drilling operations and soil sampling methods

• Experience with construction observation or inspection

• Basic laboratory testing experience


What We Offer

• Hands-on field experience on major urban construction projects for public sector clients

• Direct mentorship from licensed geotechnical engineers and geologists

• Exposure to a wide range of foundation systems and ground improvement methods

• Training in both field and laboratory procedures

• Career development in geotechnical and engineering geology practice


Work Environment

This position involves regular work on active construction sites and includes:

• Outdoor work in varying weather conditions

• Physical activity including standing, walking, and lifting field equipment

• Urban construction environments


Benefits

We offer a competitive salary plus an exceptional benefits package for full-time employees

including:

• Annual increases & bonus pay

• Medical, dental, and vision (optional)

• Flexible Spending Accounts and Dependent Care Spending Accounts (optional)

• 401(k) and 401(k) matching after 1 year of employment (up to 4%)

• Vacation, Sick time, and 7 paid holidays

• LTD, Life, and AD&D Insurance

• Professional development opportunities


Salary Range:

Annual Salary Hourly Salary

Title Min Max Min Max

Staff Geologist $70,000.00 - $85,000.00 $33.65 - $40.86

Senior Staff Geologist $80,000.00 - $100,000.00 $38.46 - $48.07

Project Geologist $110,000.00 - $140,000.00 $52.88 - $67.30

Commitment to Diversity

AGS is committed to creating and maintaining a workplace in which all employees have an

opportunity to participate and contribute to the success of the business and are valued for their

skills, experience, and unique perspectives. This commitment is embodied in company policy and

the way we do business at AGS and is an important principle of sound business management.


AGS is an Equal Opportunity/Affirmative Action Employer


Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified

applicants with arrest and conviction records.