Concrete Laboratory Technician

National Ready Mixed Concrete Association•College Park, MD

15h•Onsite

About The Position

The NRMCA Concrete Laboratory Technician supports industry-leading research, technical service, and performance evaluation of concrete materials and systems. This role is responsible for conducting laboratory testing with precision, producing laboratory concrete batches and performance evaluation, and ensuring compliance with industry standards. The ideal candidate is detail-oriented, safety-focused, and committed to advancing concrete technology and best practices.

Requirements

High school diploma or equivalent (required)
3+ years of experience in concrete or construction materials testing
Familiarity with ASTM, ACI, and AASHTO standards preferred
Strong attention to detail and accuracy
Ability to follow standardized procedures consistently
Effective organizational and time management skills
Strong written and verbal communication skills
Proficiency with Microsoft Office (Excel, Word)
Ability to work independently and collaboratively

Nice To Haves

Associate or bachelor's degree in Civil Engineering, Materials Science, or related field (preferred)
ACI Concrete Field Testing Technician – Grade I
ACI Concrete Strength Testing Technician
ACI Laboratory Testing Technician – Level 1

Responsibilities

Perform testing on concrete, aggregates, cement, and supplementary cementitious materials
Conduct standard tests including:
Compressive strength
Slump, air content, and unit weight
Length Change (drying shrinkage and ASR Testing)
Permeability
Aggregate gradation, specific gravity, and absorption
Execute testing in accordance with ASTM, ACI, AASHTO, and NRMCA procedures
Accurately record, analyze, and report test data
Maintain organized laboratory records and databases
Prepare summaries and reports to support internal and external stakeholders
Assist with trial batching
Support research initiatives, including evaluation of new materials and technologies
Calibrate, maintain, and troubleshoot laboratory equipment
Ensure laboratory organization, cleanliness, and operational readiness
Adhere to all safety policies and PPE requirements
Support quality assurance and accreditation programs (e.g., AMRL, CCRL)