Building Blocks Facades · 2 hours ago
Concrete Lab Technician
Building Blocks Facades is seeking a detail-oriented Concrete Laboratory Technician to support their work in architectural UHPC and GFRC. This role involves preparing and testing concrete samples, ensuring material performance and quality for façade applications.
Glass Ceramics & Concrete
Responsibilities
Prepare, mix, cast, cure, and test UHPC and GFRC samples in accordance with ASTM, PCI, and internal testing protocols
Conduct physical and mechanical testing including compressive strength, flexural strength (MOR/LOP), tensile testing, fiber dispersion, and dimensional stability
Support mix design development, including batching precision, raw material evaluations, pigment/color applications, and rheology testing
Assist in developing and maintaining a quality database for mix performance, batch records, and testing results
Operate, calibrate, and maintain laboratory equipment such as mixers, scales, curing chambers, compression/flexural test machines, and others
Maintain rigorous documentation of all testing activities to ensure traceability and reproducibility
Work closely with engineers and production teams to translate lab findings into scalable manufacturing processes
Support raw material supplier evaluations, sample sourcing, and material characterization
Ensure compliance with lab safety protocols, quality standards, and certification requirements
Qualification
Required
High school diploma or associate degree in materials science, civil engineering, or a related technical field (bachelor's degree preferred but not required)
Hands-on experience in a cementitious materials laboratory (UHPC, GFRC, precast, or concrete preferred)
ACI Laboratory Technician certification (Level 1 or higher) is a strong plus
Proven ability to follow testing standards (ASTM, PCI, ACI) with high precision
Strong organizational skills and ability to manage multiple samples and tests simultaneously
Excellent attention to detail with a disciplined approach to data recording and reporting
Ability to work independently and collaboratively in a fast-paced R&D and production support environment
Commitment to safety and quality in all lab practices
Ability to lift up to 50 lbs. and handle heavy molds, raw materials, and samples
Comfortable working around industrial mixers, curing equipment, and testing machinery
Ability to stand for extended periods and work in varying temperature and humidity conditions
Company
Building Blocks Facades
We deliver fully integrated facade systems using ultra high performance concrete (UHPC) and glass fiber reinforced concrete (GFRC) with factory-level quality, predictable schedules, and single-point accountability from design through installation.