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Geologist Jobs in Naperville, IL (NOW HIRING)

TERRACON

Staff Geologist

Lombard, IL · On-site

$68K - $82K/yr

Staff Geologist Location: Lombard, IL Salary - $68,420.00 - $82,060.00 Evaluate and interpret subsurface investigation data, including soil, groundwater, and bedrock conditions, to assess ...

TERRACON

Staff Geologist

Lombard, IL

$68K - $82K/yr

Staff Geologist Location: Lombard, IL Salary - $68,420.00 - $82,060.00 Evaluate and interpret subsurface investigation data, including soil, groundwater, and bedrock conditions, to assess ...

Brown and Caldwell

Geologist/Hydrogeologist

Chicago, IL · On-site +1

The Geologist/Hydrogeologist role istasked with basic foundational work in the fields of geology and hydrogeology. Thisroleprincipally involves carrying out routine tasks, solving elementary problems ...

TERRACON

Project Geologist

Glendale Heights, IL · On-site

Career level, fully competent Geologist/ Hydrogeologist responsible for planning, scheduling, conducting or coordinating detailed phases of work for part of a major project or total of a project of ...

TERRACON

Project Geologist

Chicago, IL · On-site

Bachelor's degree in Geology, Hydrogeology or related field and a minimum of 7 years' related experience. * Master's degree or PhD preferred. * A valid driver's license with acceptable violation ...

Stantec

Geologist/GIT

Lombard, IL · On-site

Your Opportunity Join Stantec's team in Lombard, IL as an project geologist in our Remediation business line supporting complex environmental consulting projects focusing on site characterization ...

Stantec

Geologist/GIT

Lombard, IL · On-site

Your Opportunity Join Stantec's team in Lombard, IL as an project geologist in our Remediation business line supporting complex environmental consulting projects focusing on site characterization ...

Stantec

Entry Level Geologist/GIT

Lombard, IL · On-site

Your Opportunity Join Stantec's team in Lombard, IL as a geologist in training within our Remediation business line supporting complex environmental consulting projects focusing on site ...

Stantec

Entry Level Geologist/GIT

Lombard, IL · On-site

Your Opportunity Join Stantec's team in Lombard, IL as a geologist in training within our Remediation business line supporting complex environmental consulting projects focusing on site ...

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Showing results 1-20

All JobsGeologist JobsGeologist Jobs in Naperville, IL

Geologist information

See Naperville, IL salary details

$35.7K

$76.4K

$123.4K

How much do geologist jobs pay per year?

As of Aug 29, 2026, the average yearly pay for geologist in Naperville, IL is $76,369.00, according to ZipRecruiter salary data. Most workers in this role earn between $55,500.00 and $92,200.00 per year, depending on experience, location, and employer.

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 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 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. Salaries can range from around $50,000 for entry-level roles to over $100,000 for experienced professionals or those in specialized fields such as petroleum or environmental geology. Certification and technical skills can also influence earning potential.

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 oil and gas exploration, mineral mining, environmental consulting, and academic research, often using tools like geological maps and software. Many geologists also conduct fieldwork, collect samples, and analyze data to inform decision-making.
More about Geologist jobs

What are the most commonly searched types of Geologist jobs in Naperville, IL?

The most popular types of Geologist jobs in Naperville, IL are:

What are popular job titles related to Geologist jobs in Naperville, IL?

For Geologist jobs in Naperville, IL, the most frequently searched job titles are:

What job categories do people searching Geologist jobs in Naperville, IL look for?

The top searched job categories for Geologist jobs in Naperville, IL are:

What cities near Naperville, IL are hiring for Geologist jobs?

Cities near Naperville, IL with the most Geologist job openings:

Geologist jobs near you
Infographic showing various Geologist job openings in Naperville, IL as of August 2026, with employment types broken down into 1% As Needed, 91% Full Time, 6% Part Time, and 2% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $76,369 per year, or $36.7 per hour.

Staff Geologist

TERRACON

Lombard, IL • On-site

$68K - $82K/yr

Full-time

Posted 24 days ago

Terracon rating

7.4

Company rating: 7.4 out of 10

Based on 120 frontline employees who took The Breakroom Quiz

50th of 72 rated business consultants

Job description


Staff Geologist
Location: Lombard, IL
Salary - $68,420.00 - $82,060.00
Evaluate and interpret subsurface investigation data, including soil, groundwater, and bedrock conditions, to assess environmental and geologic site characteristics and support engineering design recommendations. Develop detailed subsurface maps, geologic models, and cross-sections while collaborating with multidisciplinary teams of engineers, geologists, and environmental scientists on complex infrastructure, development, and remediation projects.
Lead and oversee field investigations, including soil borings, groundwater monitoring well installation, environmental sampling, and geotechnical testing activities. Analyze soil stratigraphy, groundwater elevations, hydrogeologic conditions, and environmental analytical data to identify site constraints, assess risk, and support regulatory compliance.
Prepare comprehensive technical reports, work plans, and environmental documentation related to site characterization, due diligence, remediation, and construction support activities. Contribute to projects involving earthwork and foundation design, Phase I and Phase II Environmental Site Assessments (ESA), groundwater monitoring and sampling programs, remediation planning, well design, and seismic and geologic hazard evaluations.
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.
  • 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.

Qualifications
  • Bachelor's degree in Geology, Hydrogeology or related field and a minimum of 3 years' related experience.
  • Master's degree preferred.
  • A valid driver's license with acceptable violation history may be required.
  • Preferred Qualifications:
    • Certification in field of expertise

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