Concrete Quality Control

Knelsen Sand & Gravel Ltd; Grande Prairie; Hybrid; CAD 55,000 - 75,000; Full time

Benefits offered by this job

Competitive wages

Overtime pay

Benefits package

Training and career development

Supportive team environment

Opportunity to work with anEstablished

Established and growing company

Job summary

Knelsen Sand & Gravel Ltd in Grande Prairie is seeking a Full-Time Concrete Quality Control Technician to join our team. This role focuses on field testing of concrete, sampling, and ensuring compliance with CSA A23.1, CSA A23.2 and CCIL standards.

Responsibilities include controlling batching accuracy, preparing and curing cylinders for compressive strength tests, maintaining calibration records, and supporting plant operations across multiple sites.

Qualifications

• 3–5 years of experience in ready-mix concrete quality control or materials testing.
• ACI Level 1 Certification, or willingness to obtain certification.
• Valid Class 5 driver’s licence with a clean record.
• Strong understanding of concrete materials, mix designs and production processes.
• Ability to read CSA specifications and industry standards.

Responsibilities

• Perform field testing of concrete (slump, air content, temperature, unit weight).
• Conduct sampling and testing per CSA A23.1, CSA A23.2, and CCIL standards.
• Prepare, cure, and coordinate compressive strength testing of cylinders.
• Perform aggregate testing (moisture, gradation, fracture testing).
• Monitor batching accuracy and review mix designs and batch records.
• Identify, document and report non-conformances and support corrective actions.
• Maintain calibration and maintenance of QC equipment.
• Maintain accurate test reports, calibration and batch records.
• Travel between plant locations to provide QC support as required.
• Support plant operations and safety programs; participate in training related to materials and procedures.

Skills

Attention to detail

Communication skills

Willingness to travel

Teamwork

Education

ACI Level 1 Certification

Job description

Knelsen provides premier road construction, concrete, log haul, and precast construction products and services throughout Alberta. We supply gravel, asphalt paving, ready-mix concrete, and dependable trucking services to customers in Grande Prairie, Peace River, High Level, Edmonton, and surrounding areas.

Who We Are Looking For

Our team is seeking a Full-Time Concrete Quality Control Technician to join our Grande Prairie operation. This position is ideal for a motivated individual who is passionate about quality assurance, concrete materials, and maintaining industry-leading standards.

What We Offer

• Competitive wages
• Overtime pay
• Benefits package
• Training and career development opportunities
• Supportive team environment
• Opportunity to work with an established and growing company

Responsibilities

• Perform field testing of concrete, including slump, air content, temperature, and unit weight (density).
• Conduct sampling and testing in accordance with CSA A23.1, CSA A23.2, and CCIL standards.
• Prepare, cure, and coordinate compressive strength testing of concrete cylinders.
• Perform aggregate testing, including moisture content, gradation (sieve analysis), and percent fracture testing.
• Monitor and verify batching accuracy, including reviewing mix designs and batch records.
• Identify, document, and report non-conformances and support corrective actions.
• Ensure all quality control equipment is properly maintained and calibrated.
• Maintain accurate and timely documentation, including test reports, calibration records, batch records, and audit documentation.
• Support quality control functions such as mix design submissions and Environmental Product Declarations (EPDs).
• Assist with plant certification requirements, including Concrete Alberta and CCIL audits and compliance activities.
• Support plant operations by troubleshooting concrete mix performance and quality-related issues.
• Maintain cleanliness and organization of laboratories, equipment, and workspaces.
• Travel between plant locations and remote sites to provide quality control support as required.
• Work collaboratively with plant managers, batchers, drivers, and operations teams to ensure consistent quality standards.
• Participate in company safety programs and comply with all regulatory and company safety requirements. Participate in ongoing training related to concrete materials, aggregate testing, industry standards, and procedures.
• Complete daily hazard assessments.
• Follow all road safety regulations and company policies.
• Perform other duties as assigned.

Qualifications & Experience

• Valid Class 5 driver's licence with a clean driving record.
• ACI Level 1 Certification, or willingness to obtain certification.
• 3 to 5 years of experience in ready-mix concrete quality control or construction materials testing preferred.
• Strong understanding of concrete materials, mix designs, and production processes.
• Experience performing aggregate testing, including moisture, gradation, and fracture testing.
• Ability to read and interpret CSA specifications and industry standards.
• Strong attention to detail and organizational skills.
• Ability to work independently across multiple locations in a travel-intensive role.
• Excellent communication and teamwork skills.
• Ability to work outdoors in varying weather and site conditions.
• Successful completion of a pre-employment drug and alcohol screening.

Build Your Future With Us

At Knelsen, we build opportunity. Our team is made up of talented individuals with diverse skills and perspectives who work together to deliver successful projects and exceptional service throughout Western and Northern Canada.

We thank all applicants for their interest; however, only those selected for an interview will be contacted.