Summer Materials Intern - St. Louis District

Job Summary - Why you’ll love this position

Posting closes 12/31/2026

This position will be filled at a salary no higher than the posted maximum salary.

Job Location: St. Louis District Office - 1590 Woodlake Drive, Chesterfield, MO 63017

Why you’ll love this position:

The materials intern samples and tests general construction and maintenance materials to ensure that materials and products used in state highway construction and maintenance activities comply with specifications. Responsibilities are performed under moderate supervision. 

Responsibilities - What you’ll do

What you’ll do:   

• Samples and tests general construction materials such as steel, pipe, paint, asphalt, and cement to determine if materials conform to specifications and approves/rejects material for intended use. 
• Samples and test fine and coarse aggregate production for quality and gradation specification compliance at quarries supplying materials for department projects and approves/rejects material.
• Prepares samples for bituminous trial mixes; coordinates with contractor on trial mix information. 
• May perform duties of inspector in charge at plants producing bituminous mixtures to determine if the material produced conforms to specifications and approves or rejects the material. 
• May perform inspections of prestressed or precast concrete and special sampling and testing of materials required on federal aid projects.
• May maintain records of test results, product records, and reports of general materials and aggregates approved for each project or for maintenance use.
• Performs other responsibilities as required or assigned.

Qualifications - All you need for success

All you need for success:

Minimum Qualifications

• Must be enrolled in a relevant bachelor's or post-bachelor's degree program; for engineering candidates, program must be ABET-accredited.
• Possess and maintain an overall GPA of at least 2.0 out of 4.0, or equivalent. 
• Must have completed at least 30 credit hours.

Special Working Conditions:

• None

Job Details - More reasons to love this position

More reasons to love this position:

MoDOT offers an excellent benefits package that includes a defined pension plan, generous amounts of leave and holiday time, and eligibility for health insurance coverage. Visit our CAREERS  page to explore all we have to offer.  Your total compensation is more than the dollars you receive in your paycheck. To help demonstrate the value of working for MoDOT, we have created an interactive Total Compensation Calculator.  This tool provides a comprehensive view of benefits and more that are offered to prospective employees. The Total Compensation Calculator and other applicant resources can be found HERE.

At MoDOT you will play a key role in maintaining the seventh largest highway system in the United States.  We value team players who are open-minded and work well with others to accomplish goals and fulfill our mission of safety, service, and stability.  We see the growth of our team members as an investment, both in MoDOT's future and yours.  If you're looking for diverse opportunities, challenging work, and a flexible environment, we want to talk to you about joining our winning team.  MoDOT operates on shared values and your success in our organization depends upon modeling these values.  CLICK HERE to view our mission, values, and tangible results.  If you embrace these values, we welcome your application.

Contact Details - If you have questions or require any accommodations to participate in the application or interview process please contact:

If you have questions about this position, please contact: [email protected] 

State of Missouri is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

The State of Missouri is an equal opportunity employer and is committed to developing and maintaining a talented workforce.