2026 Construction Materials Testing (CMT) Laboratory Technician 6-month Co-op (Bloomington)

Overview

Hands‑on lab testing of concrete, soil, and aggregate specimens for a 6‑month co‑op.

Key Responsibilities

• concrete testing
• material sorting
• equipment maintenance
• gradation testing
• sample processing
• proctor testing

Tasks

-Test concrete cylinders -Receive and sort materials -Maintain work equipment -Gradation testing of aggregate samples -Process soil and aggregate samples -Proctor testing of soil samples

Requirements

• heavy lifting
• communication
• high school
• technical learning
• driver's license
• materials testing

What You Bring

-The ability to lift 50+ pounds -Excellent verbal and written communication skills -A High School diploma or equivalent -A demonstrated ability to learn and apply technical concepts -A valid driver’s license with clean driving record -Related work experience in materials testing or construction is a plus

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Benefits

-Full-time commitment for the duration of the internship/co-op

About Braun Intertec Corporation

-Founded in 1957 by Jack Braun in his home, the firm began as a humble soil-testing provider and steadily expanded across the Midwest. -Over decades, it added geotechnical engineering, environmental consulting, drilling, geospatial services, nondestructive examination, and materials testing. -Headquartered in Minneapolis, it now operates across 14 states, serving both public and private clients nationwide. -Notable work includes environmental site assessments, highway interchange testing, levee restoration after the 2008 floods, and nondestructive testing on historic artifacts. -The firm’s acquisitions—like Edwards‑Pitman Environmental and several geoscience groups—enhanced its reach in compliance, permitting and environmental remediation. -Typical projects span highways, schools, industrial sites, hydroelectric facilities, fulfillment centers, and flood control infrastructure. -A standout moment: testing a Titanic whistle in 1999 underscored both its technical depth and adventurous scope.

Sector Specialisms

Security Clearance

-pre‑employment drug screen test -criminal background check -motor vehicle report