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Geologist Jobs in Ohio (NOW HIRING)

Developing level Geologist/ Hydrogeologist responsible for conducting analyses of component portions of projects; assignments are designed to develop knowledge and abilities. * Performs site visits ...

GAI Consultants, Inc. is seeking a Geologist 3 under the direction of an Engineering Geology Manager for the Geotechnical Engineering Group in the Pittsburgh or Philadelphia, PA, Canton, OH ...

Bachelor's degree in Geology, Hydrogeology or related field. * A valid driver's license with acceptable violation history may be required. Preferred Qualifications: * Certification in field of ...

Geologist II ANS Geo LLC in Columbus, OH seeks Geologist II. Conduct geotechnical and geophysical investigations for renewable energy projects, including solar and wind farms, by performing soil ...

Geologist II

Columbus, OH · On-site

$66K - $75K/yr

Geologist II ANS Geo LLC in Columbus, OH seeks Geologist II. Conduct geotechnical and geophysical investigations for renewable energy projects, including solar and wind farms, by performing soil ...

We are currently seeking a Staff Geologist 1 to work in a technical support role with highly skilled professionals on diverse project teams in a dynamic environment. This is an excellent opportunity ...

We are currently seeking a Staff Geologist 1 to work in a technical support role with highly skilled professionals on diverse project teams in a dynamic environment. This is an excellent opportunity ...

We are currently seeking a Staff Geologist 1 to work in a technical support role with highly skilled professionals on diverse project teams in a dynamic environment. This is an excellent opportunity ...

We are currently seeking a Staff Geologist 1 to work in a technical support role with highly skilled professionals on diverse project teams in a dynamic environment. This is an excellent opportunity ...

We are currently seeking a Staff Geologist 1 to work in a technical support role with highly skilled professionals on diverse project teams in a dynamic environment. This is an excellent opportunity ...

We are currently seeking a Staff Geologist 1 to work in a technical support role with highly skilled professionals on diverse project teams in a dynamic environment. This is an excellent opportunity ...

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Geologist information

See Ohio salary details

$34.2K

$73.2K

$118.4K

How much do geologist jobs pay per year?

As of Aug 8, 2026, the average yearly pay for geologist in Ohio is $73,232.00, according to ZipRecruiter salary data. Most workers in this role earn between $53,200.00 and $88,400.00 per year, depending on experience, location, and employer.

What type of jobs do geologists do?

Geologists study the Earth's materials, processes, and history to understand natural resources, environmental issues, and geological hazards. They work in fields such as resource exploration, environmental consulting, hazard assessment, and research, often using tools like geological maps, core samples, and GIS software. Many geologists work outdoors in the field and may require specialized certifications or licenses depending on their area of focus.

What are some typical challenges a geologist might face when working on field assignments?

Geologists frequently encounter challenges in the field such as working in remote or harsh environments, unpredictable weather conditions, and complex terrain that can impact data collection. They must also ensure accurate sampling and documentation while adhering to safety protocols. Collaborating with multidisciplinary teams and adapting to project changes are essential for overcoming these obstacles and delivering reliable geological insights.

What does a geologist do?

A geologist studies the Earth’s structure, composition, and processes to understand its history and predict future changes. They analyze rocks, minerals, and fossils to learn about natural phenomena like earthquakes, volcanoes, and the formation of natural resources. Geologists may work in the field collecting samples, in labs conducting tests, or in offices interpreting data and creating reports. Their expertise is crucial for industries such as environmental consulting, oil and gas, mining, and government research.

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

To thrive as a Geologist, you need a solid understanding of earth sciences, fieldwork methodologies, and data analysis, typically supported by at least a bachelor's degree in geology or a related field. Familiarity with GIS software, geophysical instruments, and geological modeling tools is often required, along with certifications such as the Professional Geologist (PG) license in some regions. Strong analytical thinking, attention to detail, and effective communication are essential soft skills for interpreting complex data and collaborating with multidisciplinary teams. These competencies are crucial for accurately assessing geological formations, ensuring safety, and providing valuable insights for resource management and environmental protection.

What is the difference between Geologist vs Hydrogeologist?

AspectGeologistHydrogeologist
Required CredentialsBachelor's or higher in Geology, often with certifications in geological surveyingBachelor's or higher in Hydrogeology, Geology, or Environmental Science, with specialized training in groundwater
Work EnvironmentField sites, laboratories, offices; studying rocks, soil, and landformsField sites, laboratories, offices; focusing on groundwater and aquifer systems
Industry UsageMining, oil & gas, environmental consulting, academiaWater resource management, environmental consulting, government agencies

Geologists and hydrogeologists share foundational geology knowledge, but geologists focus broadly on Earth's materials and processes, while hydrogeologists specialize in groundwater systems. Both roles often collaborate but serve different industry needs.

Do geologists make good money?

Geologists typically earn a median annual salary that varies by industry and experience, with many positions offering competitive pay especially for those with advanced degrees or specialized skills. Salaries can range from around $50,000 to over $100,000 per year, depending on factors such as location, employer, and level of expertise. Fieldwork, technical knowledge, and certifications can influence earning potential in this profession.

What is the work of a geologist?

A geologist studies the Earth's materials, processes, and history to understand its structure and composition. They analyze rocks, minerals, and soil samples, often using tools like microscopes and field equipment, and may work in laboratories or in the field to assess natural resources or environmental conditions.
What are the most commonly searched types of Geologist jobs in Ohio? The most popular types of Geologist jobs in Ohio are:
What job categories do people searching Geologist jobs in Ohio look for? The top searched job categories for Geologist jobs in Ohio are:
What cities in Ohio are hiring for Geologist jobs? Cities in Ohio with the most Geologist job openings:
What are popular job titles related to Geologist jobs in OH? For Geologist jobs in OH, the most frequently searched job titles are:
Infographic showing various Geologist job openings in Ohio as of August 2026, with employment types broken down into 1% Internship, 86% Full Time, 12% Part Time, and 1% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $73,232 per year, or $35.2 per hour.

Assistant Geologist

TERRACON

Gahanna, OH • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 17 days ago


Terracon rating

7.5

Company rating: 7.5 out of 10

Based on 119 frontline employees who took The Breakroom Quiz

49th of 72 rated business consultants


Job description


Evaluate and interpret subsurface field and sampling data including soil and groundwater to develop conclusions concerning the environmental and geologic site conditions. Generate subsurface maps and cross-sections and collaborate with engineering and environmental scientist staff on projects. Oversee field monitoring and testing of soils including boring investigations and soil type classification. Interpret soil, bedrock and groundwater elevation and quality data. Prepare written plans and reports related to site investigations, assessments and remediation activities. Projects may include construction projects focusing on earthwork and structural foundations; well design and sampling; environmental assessments including Phase I/II site assessments; seismic risk assessments.
Responsibilities
  • Follow safety rules, guidelines and standards for all projects. Participate in pre-task planning. Report any safety issues or concerns to management.
  • Be responsible for maintaining quality standards on all projects.
  • Entry level 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 prepare data for written reports.
  • Assist with report preparation by summarizing data and information within reports.
  • Operates field monitoring equipment.
  • Assists with operation and maintenance of remediation and instrumentation systems.
  • Transport material, samples or documents to the laboratory for further testing and analysis.
  • Maintains and calibrates field monitoring equipment.
  • Follow safety rules, guidelines and standards for all projects. Participate in pre-task planning. Report any safety issues or concerns to management.
  • Be responsible for maintaining quality standards on all projects.
  • Developing level Geologist/ Hydrogeologist responsible for conducting analyses of component portions of projects; assignments are designed to develop knowledge and abilities.
  • Performs site visits, field observations and field data collection or assignments.
  • Assists in the collection and analysis of data from sampling, reports, maps, drawings, tests and aerial photographs to evaluate, plan and permit projects.
  • Conducts water, soil and other sampling.
  • Implements technical requirements to complete client projects by directing field staff to sample, test and collect data and/or document site activities.
  • Outlines required investigative program(s) by selecting the proper alternative techniques to conduct site studies in field of expertise.
  • May have limited client contact pertaining to specific projects/tasks.
  • Follow safety rules, guidelines and standards for all projects. Participate in pre-task planning. Report any safety issues or concerns to management.
  • Be responsible for maintaining quality standards on all projects.
  • Proficient Geologist/ Hydrogeologist responsible for conducting site testing and making recommendations for systems design on smaller projects of minimal complexity.
  • May assist more senior Geologists on large, more complex projects.
  • Performs site visits, field observations and field data collection or assignments.
  • Implements technical requirements to complete client projects by directing and supervising field staff to sample, test and collect data and/or document site activities.
  • Responsible for developing written proposals to clients for approval by senior level professionals.
  • Evaluates moderately complex laboratory and field data and assembles in written reports.
  • May serve as team member or participate in meetings and communications with client pertaining to specific projects/tasks.
  • May oversee work performed by lower level Geologists/Hydrogeologists.
  • Follow safety rules, guidelines and standards for all projects. Participate in pre-task planning. Report any safety issues or concerns to management.
  • Be responsible for maintaining quality standards on all projects.
  • Mid-level, experienced Geologist/ Hydrogeologist responsible for conducting site testing and making recommendations for systems design on medium sized projects with a variety of complexity.
  • Participates with more senior Geologists on large, more complex projects.
  • Performs site visits, field observations and field data collection or assignments.
  • Implements technical requirements to complete client projects by directing and supervising field staff to sample, test and collect data and/or document site activities.
  • Responsible for developing written proposals to clients for both small and large projects including quality control review of proposals written by others.
  • Evaluates complex laboratory and field data and assembles in written reports.
  • May serve as team member or lead in meetings and communications with client pertaining to specific projects/tasks.
  • May oversee work performed by lower level Geologists/Hydrogeologists.

Qualifications
  • Bachelor's degree in Geology, Hydrogeology or related field.
  • A valid driver's license with acceptable violation history may be required.

Preferred Qualifications:
  • Certification in field of expertise

About Us
Terracon is a 100 percent employee-owned multidiscipline consulting firm comprised of more than 8,000 curious minds focused on solving engineering and technical challenges from more than 200 locations nationwide. Since 1965, Terracon has evolved into a successful multi-discipline firm specializing in environmental, facilities, geotechnical, and materials services. Terracon's growth is due to our talented employee-owners exceeding expectations in client service and growing their careers with new and exciting opportunities in the marketplace. Terracon was recognized as the #1 firm in Asbestos and Lead Abatement.
Terracon's vision of "Together, we are best at people" is demonstrated through our excellent compensation and benefits package. Based on eligibility, role and job status, we offer many programs including medical, dental, vision, life insurance, 401(k) plan, paid time off and holidays, education reimbursement, and various bonus programs.
About the Team
Innovation and hands-on practice come together in our geotechnical consulting services. We provide geotechnical services nationwide for a wide range of projects, drawing on six decades of historical geotechnical data, a fleet of more than 200 drill rigs, 140 accredited laboratories, and thousands of employees to quickly organize or capture site data wherever projects are located. From AI-supported solutions and predictive technologies to geophysics and traditional exploration, we deliver precision, value-added subsurface information and engineering and scientific expertise to solving our clients' challenges and achieve their goals for project sustainability, quality, and efficiency.

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