Jobs and Careers

SENIOR GEOTECHNICAL FIELD TECHNICIAN - (ENGINEERING TECHNICIAN III)

Springfield, United Statesfull_timeVerifiedPosted 27 May 2026

💰 $86,244/yr($49,908/yr – $86,244/yr)

About the role

Job Requisition ID: 56416 IPR #26-01350
Opening Date: 05/27/2026
Closing Date: 06/10/2026
Agency: Department of Transportation
Position Title: Engineering Technician III
Salary: Anticipated Starting Salary: $ 4,159 Monthly; Full Range: $ 4,159 - $ 7,187 Monthly
Job Type: Salaried
Category: Full Time
County: Sangamon
Number of Vacancies: 1
Bargaining Unit Code: NR916 Pro Tech Teamsters

This position is a union position; therefore, provisions of the relevant collective bargaining agreement/labor contract apply to the filling of this position. All applicants who want to be considered for this position MUST apply electronically through the illinois.jobs2web.com website. State of Illinois employees should click the link near the top left to apply through the SuccessFactors employee career portal.

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 conducts field testing and monitors construction of embankments, subgrades, aggregate courses, and in-place reclamation and recycling to ensure compliance with appropriate test procedures and contract specifications and to investigate problems encountered during construction. This position also performs investigative or quality assurance nuclear density testing on hot-mix asphalt (HMA).

Essential Functions

Perform density testing on a variety of materials, evaluate subgrade stability, and evaluate borrow materials.
Monitor embankment, subgrade, aggregate course, backfill, and recycling/reclamation construction activities along with identifying non-compliant conditions.
Train and support district and local agency construction staff relating to density testing and geotechnical construction testing and inspection procedures.
Assist the Nuclear Density Supervisor in the administration of the district nuclear gauge inventory and in the training and certification of district nuclear gauge operators.
Review field test results and enter data into the department’s materials tracking software.
Perform duties in compliance with departmental safety rules. Performs all duties in a manner conducive to the fair and equitable treatment of all employees.
Perform other duties as assigned.

Minimum Qualifications

Completion of two years of college in civil engineering technology, pre-engineering or a job related technical/science curriculum PLUS thirty months of engineering experience; OR six years of engineering experience.
Successful completion of IDOT’s S-34 Radiation Safety and Density by the Nuclear Method (or equivalent) training and current IDOT QC/QA certification for HMA Density (or HMA Level I Technician with HMA Density component).

Preferred Qualifications

Strong communication skills.

Conditions of Employment

Requires a valid driver’s license.
Requires completion of IDOT’s S-33 Geotechnical Field Testing and Inspection is required within 12 months.
Requires district-wide and overnight travel.
Requires field work in a variety of weather conditions on construction projects including roadways open to traffic, which includes the ability to