Holcim (US) Inc. Lab Technician in Bloomsdale, Missouri



Provide concrete and related industry testing focusing on three main areas: research & development, manufacturing control and customer service. In addition, the lab is responsible for the Competitive Concrete Testing Program where all plants and competitors are tested in concrete on a regular basis.



  • Demonstrates a commitment to communicating, improving and adhering to safety policies in all work environments and areas.

  • Prepare and mix concrete batches

  • Perform physical testing on freshly batched and hardened concrete (e.g. temperature, slump, air content, unit weight, time of setting, compressive and flexural strength)

  • Perform other concrete related testing such as sieve analysis, specific gravity/absorption on aggregates, heat of hydration (calorimetry), expansion/shrinkage of specimens, air-void analysis, and others per ASTM & AASHTO approved methods

  • Maintain and calibrate laboratory equipment

  • Other duties as assigned.

  • While performing the duties of this job, the employee is regularly required to use hands to finger, handle, or feel. The employee frequently is required to stand; walk; reach with hands and arms; climb or balance; stoop, kneel, crouch, or crawl; talk or hear. The employee will frequently be required to walk on rocky, irregular surfaces that may be muddy and in reduced lighting conditions. The employee is occasionally required to sit. The employee must frequently shovel for 3 minutes with an 8 lb. shovel, frequently lift and/or move up to 25 pounds and occasionally lift and/or move up to 50 pounds. Specific vision abilities required by this job include close vision, distant vision, color vision, peripheral vision, depth perception, and ability to adjust

  • While performing the duties of this job, the employee is regularly exposed to moving mechanical parts. The employee is frequently exposed to high, precarious places; fumes or airborne particles, confined space, outside weather conditions, low lighting, artificial lighting, and explosives. The employee is regularly exposed to wet and/or humid conditions, proximity to electrical equipment, and vibration. The noise level in the work environment is usually moderate and occasionally


  • Knowledge of concrete materials and associated lab/field testing procedures

  • Knowledge of concrete specifications (ACI – American Concrete Institute, ASTM – American Society of Testing and Materials, etc.)

  • Proficient computer skills in Microsoft Office (Excel & Word)

  • ACI Concrete Field Testing – Grade I Certification and/or ACI Concrete Strength Testing Certification



Required Education: High School diploma/GED

Additional Education Preferred: Associates/Technical Degree

Required Work Experience: 0-3 years

Travel Requirements : None

Required Computer and Software Skills : Strong computer skills in order to operate effectively with company systems and programs; knowledge of SAP and Microsoft office.


Sorry the Share function is not working properly at this moment. Please refresh the page and try again later.


# of Openings 1

Requisition ID 2018-5287

Position Type Salaried Full-Time

Category Quality Control

Product Line Cement

Job Locations US-MO-Bloomsdale

Company Holcim (US) Inc.