Top 6 Geologist Jobs in O'fallon, Il

Staff Geologist
SCI ENGINEERING INC —O'Fallon, IL
- $60,000 - $75,000 a year
- Full-time
- Construction site
- Laboratory experience
- Mid-level
- Disability insurance
- Health insurance
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5d
Geologist
Hanson Professional Services Inc. —St. Louis, MO
- $63,000 - $80,000 a year
- Overtime
- Construction site
- Computer literacy
- Office
- Health insurance
- 401(k) matching
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Project Geologist
SCI ENGINEERING INC —O'Fallon, IL
- $70,000 - $85,000 a year
- Full-time
- Mid-level
- Master's degree
- Analysis skills
- Disability insurance
- Health insurance
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5d
Senior Project Geologist
WEAVER CONSULTANTS GROUP LLC —St. Louis, MO
- Full-time
- Microsoft Outlook
- Customer service
- Master's degree
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Mid-Level Environmental Engineer/Geologist/Scientist
Jacobs —St. Louis, MO
- $75,300 - $115,000 a year
- Full-time
- Hybrid work
- Management
- 5 years
- Engineering
- Paid holidays
- Health insurance

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Staff Geologist
SCI ENGINEERING INC —O'Fallon, IL
Experience with Geographical Information System (GIS) field data collection tools (preferred). Conduct geological field investigations and data collection.
$60,000 - $75,000 a year
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5d
Geologist
Hanson Professional Services Inc. —St. Louis, MO
Lead in geotechnical explorations; planning, field reconnaissance, coordination and supervision of subcontractors, supervision of field testing and data…
$63,000 - $80,000 a year
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Geologist II
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We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses…
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Senior Geochemist - Critical Minerals & Remediation
Battelle —Columbus, OH
Experience working with the federal government performing and managing contaminated site assessments and remedy evaluations, including preparing investigation…
$106,000 - $151,000 a year

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Staff Geologist

SCI ENGINEERING INC -
O'Fallon, IL

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Job Details

Full-time
$60,000 - $75,000 a year
5 days ago

Benefits

Disability insurance
Health insurance
Dental insurance
401(k)
Tuition reimbursement
Paid time off
Vision insurance
401(k) matching
Professional development assistance
Opportunities for advancement
Flexible schedule
Life insurance
Referral program

Qualifications

Content creation for technical audiences
Driver's License
Bachelor's degree
Master's degree in Geology
Bachelor's degree in geology
Technical writing experience within technology

Full Job Description

SCI Engineering, Inc. is a professional consulting and engineering firm offering a variety of services from the design development stage through construction. We specialize in Geotechnical, Environmental, Natural Resources, Cultural Resources and Construction Material Testing.

SCI is seeking a Staff Geologist to join our Geotechnical Services group in St. Charles, Missouri. You will have the opportunity to apply your geologic skills to projects involving heaving soils, karst features, underground mines; construction management; environmental compliance; and forensic investigations, while developing the business skills needed for a successful consulting career.

Benefits (Full-time employees eligible) include:

401(k) (Matching Program)
Health insurance (Including a HDHP option free for employees)
Dental insurance (Free to Employees)
Vision insurance (Free to Employees)
Disability insurance (Free to Employees)
Life insurance (Basic Term Life Free to Employees)
Paid Time Off (PTO)
Professional Development Assistance
Employee Referral Bonus
Tuition Reimbursement

Why Join SCI?

At SCI, your success is our success. We offer exciting opportunities for career advancement and professional development, encouraging continuous skill development and promoting from within based on performance and initiative. Collaboration and mentoring are key to our culture, and we welcome ideas for innovation and improvement. We also offer teambuilding opportunities through various clubs and committees.

Don’t take our word for it – an independent survey revealed that 91% of employees in our Geotechnical department think SCI Engineering, Inc.’s processes are efficient and 91% believe their managers support their professional growth and development. One Geotechnical employee described why they love their job:

‘I am continually learning new things that are applicable to my career goals. I am always being motivated to be better without feeling pressured or stressed.’

We are proud to be recognized as a 2025 and 2026 USA TODAY Top Workplace (topworkplaces.com/company/sci-engineering/), having earned the award for the second year in a row. Our employees enjoy a casual dress code, including jeans every day, and benefit from a flexible work schedule that supports work-life balance. Our Good Cause Charity Program empowers employees to donate to the charity of the month, with SCI matching contributions.

Join SCI and be part of a dynamic team that values your contributions and supports your growth. Apply today!

Essential Functions, Duties, and Responsibilities

Project planning and coordination including subcontractor procurement, sampling and health and safety plan development, project management support with client and regulatory interfacing
Utility clearance coordination with one call (811) and private utility locators, clients, and contractors
Conduct geological field investigations and data collection
Assist with laboratory testing
Monitoring and oversight of construction projects including deep foundations, ground improvement installation, load testing, and retaining wall construction

Experience with Geographical Information System (GIS) field data collection tools (preferred)
Strong oral and technical writing skills (required)
Valid U.S. Driver’s License and a satisfactory driving record for business travel (required)
Ability to travel out of town for up to 1 week at a time (preferred)
Geotechnical laboratory testing experience (preferred)
Bachelors degree in Geology is required
Advanced degree in Geology is preferred
Holds professional licensure or has ability to obtain professional licensure (P.G.) within four years (required)

Additional Information

Training: this position requires 40-hour OSHA health and safety, first aid, and CPR training and medical monitoring, paid for by the firm. We also offer professional development opportunities including in-house seminars, webinars, and mentoring, that allow our professionals to build the technical and business skills necessary to become successful consultants.
Fieldwork: Up to 80%
Overnight travel: Up to 40%
Full-time employees eligible benefits include: 401(k), health insurance, dental insurance, vision insurance, disability insurance, life insurance, paid time off, professional development assistance, referral program, tuition reimbursement

SCI is an equal opportunity employer and does not discriminate against any applicant. all qualified applicants will receive equal consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice

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geologist jobs in o'fallon, il

Staff Geologist

Geologist

Project Geologist

Senior Project Geologist

Mid-Level Environmental Engineer/Geologist/Scientist

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