Materials Technician - Carthage

State of Missouri; Carthage (MO); On-site; USD 42,000 - 62,000; Full time

Benefits offered by this job

Defined pension plan

Paid leave and holidays

Health insurance

Job summary

State of Missouri seeks a Materials Technician to perform field sampling and laboratory testing for highway materials, with duties spanning aggregates, soils, cements, and bituminous mixtures.

Responsibilities include data entry, test result reporting, and adherence to quality systems. Candidates should be prepared for outdoor and lab work, some travel, and a 90-day OSHA-10 training window. Applications encouraged.

Qualifications

• High School Diploma or GED.
• OSHA 10-Hour Certification required within 90 days.
• Successful completion of a work simulation examination and a medical-physical examination.

Responsibilities

• Conduct field sampling and testing of aggregates for gradation and quality.
• Inspect proportioning of materials at concrete plants and calibrate scales and dispensers.
• Perform laboratory testing of soils, aggregates, cements, bituminous mixtures, or new products.
• Utilize computers and data systems for data entry, analysis, and reporting.
• Complete competency evaluations and assist in quality control reference testing.

Skills

Field sampling

Laboratory testing

Data entry

Quality control/QA

Basic math

Education

High School Diploma or GED

Tools

Testing equipment

Scales calibration

Computers

Job description

Note for internal applicants: Successful candidates already at rates above the posted salary will be evaluated on an individual basis to determine final salary outcome.

Job Location: Carthage Office (16623 Inca Road, Carthage, MO 64836)

If selected for further consideration, you will be contacted to schedule an interview for Tuesday, November 3, 2026.

Why You’ll Love This Position

The materials technician performs semi-skilled technical duties in the sampling, testing, and/or inspection of materials used in highway construction and maintenance projects; responsibilities are performed on location throughout the state and/or at the Central Laboratory. Responsibilities are performed under moderate supervision.

MoDOT will bring candidates onto the team as entry-level, intermediate, or senior level, based on your skills and experience. This opening is for one of our CAREER-LADDER positions which offers the opportunity for career advancement without having to participate in the competitive selection interview process. As you continue to learn, acquire new skills, and gain experience, you can be promoted to a higher-level position.

• Conduct field sampling and testing of aggregates for gradation and quality; check quality of aggregates by determining percentages of deleterious material; check for stockpiling procedures, oversize aggregates, and contamination; determine if aggregates are being produced from approved ledges or sources; may approve or reject material intended for use; and keep records and reports on inspection rates and aggregates used for each project or for maintenance use.
• Inspect proportioning of materials at concrete plants and calibrate and verify scales and dispensers at concrete plants; and assist in inspecting plants producing bituminous mixtures.
• Perform laboratory testing of soils, aggregates, cements, bituminous mixtures, new products, or general materials; utilize computers, electronic systems, and testing equipment for data entry, data collection, analysis, and preparation of laboratory testing reports.
• Perform calculations, report test results, notify supervisor of deviations from standards, and maintain records of testing activities.
• Perform duties outlined in the quality systems manuals, including completing competency exam evaluations, verifying results, demonstrating test procedures, and calibrating equipment; assist in quality control/quality assurance reference testing.

Minimum Qualifications

• High School Diploma or GED/HiSET.
• OSHA 10-Hour Certification required within 90 days.
• Successful completion of a work simulation examination and a medical-physical examination.

Special Working Conditions

• Job is physically demanding and requires prolonged periods of standing and frequent lifting.
• Job requires outdoor and/or laboratory work that involves exposure to physical hazards, health and safety risks, and/or adverse or otherwise undesirable characteristics in the environment, including (but not limited to) exposure to hazardous chemicals, dust, fumes, hot ovens, power tools, and other equipment.
• Basic math skills, consistent with high school level algebra, will be necessary to perform many of this title’s duties.
• Job may require occasional, statewide, overnight travel.
• Job may require operation of vehicles to plow snow and spread ice control materials.

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.

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. We value shared values and your success in our organization depends upon modeling these values. If you embrace these values, we welcome your application.

Southwest District Human Resources at [e-mail]