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As a 100% employee-owned contractor, when you work at Sundt, you're not just hiring on at a company, you're joining a culture. Because everyone at Sundt is part owner, you'll join a team of people who are deeply invested in their work. From apprentices to managers, we're passionate about the details and deliberate in everything we do.
Job Summary
The Materials Testing Technician performs field and laboratory sampling, testing, and documentation of soils, aggregates, concrete, and other construction materials in support of heavy civil and transportation projects.
This position is responsible for obtaining representative samples, conducting testing in accordance with ASTM, AASHTO, and project specifications, and documenting results to verify compliance with contract requirements. The Materials Testing Technician works closely with field operations, crushing crews, quality personnel, and subcontractors while reporting directly to the Materials Testing Manager. This role requires a strong commitment to safety, accuracy, and quality in a demanding construction environment.
Key Responsibilities
1. Accurately document testing activities, sample identification, test results, and field observations using approved forms and reporting systems.
2. Assist with calibration, maintenance, and inventory control of testing equipment and laboratory supplies.
3. Communicate testing results, deficiencies, and quality concerns to the Materials Testing Manager and project quality personnel in a timely manner.
4. Coordinate testing activities with construction operations to support production schedules while maintaining testing frequencies required by contract documents.
5. Follow all company safety policies, project safety requirements, and applicable regulations while performing field and laboratory work.
6. Inspect materials and testing activities to ensure compliance with approved mix designs, project specifications, and quality requirements.
7. Maintain chain-of-custody and sample tracking procedures for all materials testing activities.
8. Obtain representative field samples of soils, aggregates, concrete, and other construction materials in accordance with ASTM, AASHTO, and project-specific requirements.
9. Perform field and laboratory testing of construction materials including aggregate gradations, plasticity index (liquid limiUplastic limit), moisture-density relationships, field density testing, concrete testing, and other specified quality control tests.
10. Support aggregate crushing and processing operations through routine quality control sampling, stockpile monitoring, gradation testing, and material verification.
Minimum Job Requirements
1. 2-4 years of experience in construction materials testing, preferably on heavy civil, transportation, mining, or infrastructure projects.
2. ACI Aggregate Base Technician
3. ACI Concrete Aggregate Technician Level 1
4. ACI Concrete Field Testing Technician Grade I Certification.
5. ACI Concrete Strength Technician
6. Ability to prioritize testing activities in a fast-paced construction environment.
7. Ability to read and interpret project specifications, testing procedures, and construction plans.
8. Ability to work extended hours, weekends, and remote project assignments as required.
9. Ability to work independently in remote field conditions.
10. Effective communication skills with field crews, inspectors, and project management personnel.
11. Excellent attention to detail and commitment to data accuracy.
12. Experience on federal, DOT, USACE or other heavy civil infrastructure projects.
13. Experience performing aggregate sampling, gradation testing, moisture testing, field density testing, and concrete testing.
14. Experience supporting aggregate crushing operations and quarry quality control programs.
15. High school diploma or GED required; associate degree in Civil Engineering Technology, Construction Technology, or related field preferred.
16. Nuclear Gauge Safety Certification.
17. Proficiency with basic computer applications including Microsoft Office and electronic reporting systems.
18. State DOT, NICET, or equivalent materials testing certifications.
19. Strong organizational and documentation skills.
20. Strong understanding of aggregate, soil, and concrete testing procedures.
21. Valid driver's license and ability to travel between testing locations and project sites.
22. Working knowledge of ASTM and AASHTO testing procedures for soils, aggregates, and concrete.
Note: Job Description is subject to change at any time and may include other duties as assigned.
Physical Requirements
1. Ability to wear personal protective equipment is required (including but not limited to; steel toed shoes, gloves, safety glasses, hearing protection, hardhat, vest, etc.)
2. May reach above shoulder heights and below the waist on a frequent basis
3. May stoop, kneel, or bend, on an occasional basis.
4. May use telephone, computer system, email, or other electronic devices to communicate with internal and external customers or vendors.
5. Must be able to comply with all safety standards and procedures.
6. Occasionally will climb stairs, ladders, etc.
7. Required to use hands to grasp, lift, handle, carry or feel objects on a frequent basis.
8. Will interact with people frequently during a shift/work day.
9. Will lift, push or pull objects up to 50Ibs on an occasional basis.
10. Will sit, stand or walk short distances for up to the entire duration of a shift/work day.
11. Will work various shifts, including swing, night and weekend.
Equal Opportunity Employer Statement: Sundt is committed to the equal treatment of all employees, and/or applicants for employment, and prohibits discrimination based on race, religion, sex (including pregnancy), sexual orientation, gender identity, color, age, disability, national origin, covered veteran status, genetic information; or any other classification protected by applicable Federal, state, or local laws.
Benefit list:
Market Competitive Salary (paid weekly)
Bonus Eligibility based on company, group, and individual performance
Employee Stock Ownership Plan & 401K
Industry Leading Health Coverage Starting Your First Day
Flexible Time Off (FTO)
Medical, Health Savings, and Wellness credits
Flexible Spending Accounts
Employee Assistance Program
Workplace Wellness Programs
Mental Health Program
Life and Disability Insurance
Employee-Owner Perks
Educational Assistance
Sundt Foundation - Charitable Employee-Owner's program
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About Us
As a 100% employee-owned contractor, when you work at Sundt, you're not just hiring on at a company, you're joining a culture. Because everyone at Sundt is part owner, you'll join a team of people who are deeply invested in their work. From apprentices to managers, we're passionate about the details and deliberate in everything we do.
At Sundt we focus on building long-term prosperity for our clients, communities and employee-owners. We offer competitive pay, industry-leading benefits including a 401k and employee stock ownership plan, incentive programs for craft and administrative employees as well as training that focuses on your personal and professional growth. We're driven by skill, grit and purpose. Join us as we strive to be the most skilled builder in America.
Equal Opportunity Employer Statement: Sundt is committed to the equal treatment of all employees, and/or applicants for employment, and prohibits discrimination based on race, religion, sex (including pregnancy), sexual orientation, gender identity, color, age, disability, national origin, covered veteran status, genetic information; or any other classification protected by applicable Federal, state, or local laws.
Benefit list:

• Market Competitive Salary (paid weekly)
• Bonus Eligibility based on company, group, and individual performance
• Employee Stock Ownership Plan & 401K
• Industry Leading Health Coverage Starting Your First Day
• Flexible Time Off (FTO)
• Medical, Health Savings, and Wellness credits
• Flexible Spending Accounts
• Employee Assistance Program
• Workplace Wellness Programs
• Mental Health Program
• Life and Disability Insurance
• Employee-Owner Perks
• Educational Assistance
• Sundt Foundation - Charitable Employee-Owner's program