GEOTECHNICAL INVESTIGATION ENGINEER - (CIVIL ENGINEER III)

State of Illinois; Collinsville (IL); On-site; USD 64,000 - 107,000; Full time

Benefits offered by this job

Flexible work schedules

Health insurance

Pension plan

Leave benefits

Training opportunities

Job summary

The Illinois Department of Transportation is seeking a Geotechnical Investigation Engineer to supervise geotechnical investigations and analyze data for highway design, construction, and maintenance. You will lead drilling programs and manage a team to ensure timely, safe project delivery.

Qualifications include ABET-accredited engineering education and 37 months Civil Engineering experience; licensure options are outlined in the job posting. Hybrid in-office schedule is available.

Qualifications

• BS in engineering from ABET-accredited program; GPA if applicable.
• Minimum of 37 months of civil engineering experience.

Responsibilities

• Supervise geotechnical investigations and data analyses for highway design, construction and maintenance.
• Develop the district drilling program to maximize productivity.
• Train and supervise staff to ensure policy and project understanding.
• Approve equipment and supplies to optimize funds.
• Ensure tasks meet schedules and safety rules.

Skills

Geotechnical knowledge

Supervisory ability

Education

ABET-accredited engineering degree

Illinois Engineer Intern Certificate

Professional Engineer license (Illinois)

Structural Engineer license (Illinois)

Tools

Drilling equipment

Job description

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GEOTECHNICAL INVESTIGATION ENGINEER - (CIVIL ENGINEER III)

We continually strive for a workforce that reflects the growing diversity within the State of Illinois. A variety of employee backgrounds, perspectives, ideas and experiences are crucial to our ability to most effectively serve the public. Bilingual skills welcome

Reasonable Accommodation Statement

The State of Illinois is committed to working with and providing reasonable accommodations to people with disabilities. Further, federal law requires employers to provide reasonable accommodation to qualified individuals with disabilities. Please tell us if you require a reasonable accommodation to apply for a job, interview for a job, or for any other activity related to the hiring process. Examples of reasonable accommodation include, but are not limited to, making a change to the application process (if possible), providing documents in an alternate format, using a sign language interpreter, or using specialized equipment.

To be provided a Reasonable Accommodation during the hiring process, you will need to provide a certification of disability from a physician, psychiatrist, school official or an Illinois Department of Human Services (DHS) Division of Rehabilitation Services (DRS) Vocational Rehabilitation (VR) Counselor. Supporting documentation should be uploaded under My Documents → Additional Documents section for each application.

Any questions on Reasonable Accommodations can be directed to Central Management Services Disability Resource Center at [e-mail] or call [phone] for further information and to request or discuss an accommodation.

Sponsorship for Employment

The State of Illinois does not provide sponsorship for employment visa status (e.g. H-1B visa status), nor is the State able to provide extensions of optional practical training (OPT) under the STEM-designated degree program for F-1 students. To be considered for permanent employment with the State of Illinois, applicants must be currently authorized to work in the United States on a full-time basis.

Disclosure of Salary Information

In compliance with the Illinois Equal Pay Act, 820 ILCS 112/1 et seq., the State does not seek, request, or require a job applicant’s wage or salary history. Employment decisions are not made based on an applicant’s wage or salary history. To that end, please do not include wage or salary information in your resume or other profile or application materials.

Job Requisition ID:59491 IPR#26-01865
Opening Date: 10/14/2026
Closing Date: 10/28/2026
Agency: Department of Transportation
Position Title: Civil Engineer III
Salary: Anticipated Starting Salary: $5,761 Monthly; Full Range: $5,761 - $9,548 Monthly
Job Type: Salaried
Category:Full Time
Number of Vacancies: 2
Bargaining Unit Code: NR916 ProTech Teamsters
Work Hours: 8:00 AM - 4:30 PM Monday - Friday
Anticipated Hybrid Work Schedule Availability: 1 to 5 Days per week in office, depending on operational needs
Work Location:1102 Eastport Plaza Dr, Collinsville, Illinois, 62234
Work County: Madison

Applications submitted via email or any paper manner (mail, fax, hand delivery) will not be considered.

Why Work for Illinois?

Working with the State of Illinois is a testament to the values of compassion, equity, and dedication that define our state. Whether you’re helping to improve schools, protect our natural resources, or support families in need, you’re part of something bigger—something that touches the lives of every person who calls Illinois home. No matter what state career you’re looking for, we offer jobs that fit your life and your schedule—flexible jobs that provide the gold standard of benefits. Our employees can take advantage of various avenues to advance their careers and realize their dreams. Our top-tier benefits and great retirement packages can help you build a rewarding career and lasting future with the State of Illinois.

Position Overview

This position is accountable for supervising geotechnical investigations and for analyzing such data for the design, construction and maintenance of highways in the district.

Essential Functions

• Performs or supervises state of practice geoscience analyses and field monitoring so that economical designs can be implemented.
• Develops the drilling program for the district Drilling Unit to maximize productivity.
• Trains, motivates, and supervises subordinates to ensure their knowledge of current policiesand project specifics.
• Approves and purchases of equipment, material and supplies as requested by the Drilling Supervisor to optimize operational funds.
• Verifies the accuracy and timely completion of assigned tasks so the in-house and consultant projects meet predetermined schedules.
• Performs duties in compliance with departmental safety rules. Performs all duties in a manner conducive to the fair and equitable treatment of all employees.
• Performs other duties as assigned.

Minimum Qualifications

• Completion of a bachelor of science degree in engineering from an ABET accredited college OR acurrent Illinois Engineer Intern Certificate OR a current Professional Engineer license in the state ofIllinois OR a current Structural Engineer License in the state of Illinois. Those applying with only a degree must have a minimum of 2.0 (out of 4.0) cumulative Grade Point Average (GPA). Ifcumulative GPA is between 2.0 and 2.5 (out of 4.0), applicants must also possess a current IllinoisEngineer Intern Certificate OR a current Professional Engineer license in the state of Illinois OR acurrent Structural Engineer License in the state of Illinois.
• Thirty-seven (37) months of experience in civil engineering.

Preferred Qualifications

• Knowledge of geotechnical products, subsurface investigation methods, and soil testing procedures.
• Knowledge of the principles and practices of civil engineering and the application of engineering techniques to the design, construction, and maintenance of public works.
• Ability to supervise staff engaged in either field or office engineering functions.
• Ability to maintain cooperative relationships with department and industry staff.
• Strong oral and written communication skills.

Conditions of Employment

• Valid driver’s license.
• District-wide travel with occasional overnight stays.
• Occasional overtime.
• Successful completion of a background screening.
• This position has been found to meet the requirements in section 4A-101 of the Illinois Governmental Ethics Act requiring the occupant/employee to file a Statement of Economic Interest. The Illinois Governmental Ethics Act (5 ILCS 420/4A et seq.) requires certain state officials and employees to file annual Statements of Economic Interest with the Office of the Secretary of State that will be made available for examination and copying by the public. All employees required to file a Statement of Economic Interest are also required to file the Supplemental Statement of Economic Interest with the Executive Ethics Commission. (See Executive Order 15-09) Fines and penalties apply to untimely filings.
• Certain provisions of the revolving door restrictions contained in 5 ILCS 430/5-45 apply to this position. As a result, the employee should be aware that if offered non-State employment during state employment or within one year immediately after ending State employment, the employee shall, prior to accepting any such non-State employment offer, notify the Office of the Executive Inspector General for the Agencies of the Illinois Governor (OEIG) or may be subject to a fine.
• The conditions of employment listed here are incorporated and related to any of the job duties as listed in the job description.

About the Agency

The Illinois Department of Transportation is seeking to hire Geotechnical Investigation Engineers.

The IDOT team works diligently to provide safe, cost-effective transportation for Illinois in ways that enhance quality of life, promote economic prosperity and protect our environment.We are problem solvers and leaders, constantly searching for innovations and improvements in support of our commitment to providing the best multimodal transportation system for Illinois. Our team fosters a culture of inclusivity. We value diversity and hold ourselves to the highest ethical standards as we work together for a common purpose. Team members frequently collaborate with colleagues and others outside the department to best meet customer needs.

The department offers extensive training and career advancement opportunities. Employees also receive a robust benefit package including:

• Flexible work schedules in several program areas (flexible time, hybrid scheduling)
• Health, Life, Vision, and Dental Insurance
• Pension Plan
• (12) Weeks paid Maternity/Paternity Leave
• Deferred Compensation Program and other pre-tax benefit programs (Medical/Daycare)
• Employees earn (12) paid Sick Days annually
• New Employees earn (10) paid Vacation Days their first year of service and can earn up to (25) paid Vacation Days annually
• Employees earn (3) paid Personal Days annually
• (13-14) paid holidays annually (based on start date)
• Tuition Reimbursement
• Employee Assistance Program and/or mental health resources

We invite qualified applicants to apply to become part of our team. We are confident that you will take pride in serving Illinois and its residents and visitors.

Certain provisions of the revolving door restrictions contained in 5 ILCS 430/5-45 apply to this position. As a result, the employee should be aware that if offered non-State employment during