Concrete Laboratory Technician

APAC-Central

APAC-Central

Posted on May 27, 2026
Job Description
Concrete Laboratory Technician
Architectural Products Group
Muskogee, Oklahoma, United States

Job ID: 523874

Oldcastle, a CRH company, is reinventing what's possible in building solutions. We are the leading provider of innovative outdoor living products and utility infrastructure solutions for the water, energy, and communications markets throughout North America. We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic infrastructure products. Our portfolio of brands includes Oldcastle APG, Oldcastle Infrastructure, Belgard® hardscape, Echelon® Masonry, RDI® railing, Catalyst™ Fence Solutions, Sakrete® packaged concrete, Amerimix® mortar, Pebble Technology International® pool finishes, and Techniseal® sands and sealant technologies.

Job Summary

Oldcastle APG is seeking a highly motivated individual to conduct R&D and quality control tasks in the Oldcastle Concrete and Mortar Laboratory in Muskogee, OK. The individual will collaboratively perform product development work requiring the analysis of material properties coupled with material costs. The individual will report to the Regional Quality Manager.

Job Responsibilities

  • Assist in comparing formula variations and making physical measurements in an iterative fashion to meet product specification targets.

  • Support manufacturing plant managers in measurements, conclusions, and corrective actions for forensic investigations regarding SONA products.

  • Perform routine laboratory measurements on raw materials, concrete, and mortar samples.

  • Create summary reports discussing results of tests, including the use of tables and graphs.

  • Maintain the instruments required by the Concrete and Mortar Laboratories.

Job Requirements

  • 1+ years of experience in a laboratory setting or in concrete/masonry field work.

  • Experience in concrete/mortar testing and ASTM standards is a plus, but all necessary training will be provided.

  • Strong communication and organizational skills.

  • The ability to multitask between assigned tasks and self-motivated ones.

  • Attention to detail required with respect to Personal Protective Equipment usage and safety.

  • This position may require a standing position for an extensive amount of time.

  • Ability to lift up to 80 lbs.

What CRH Offers You

  • Highly competitive base pay
  • Comprehensive medical, dental and disability benefits programs
  • Group retirement savings program
  • Health and wellness programs
  • An inclusive culture that values opportunity for growth, development, and internal promotion

About CRH

CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.

If you’re up for a rewarding challenge, we invite you to take the first step and apply today! Once you click apply now, you will be brought to our official employment application. Please complete your online profile and it will be sent to the hiring manager. Our system allows you to view and track your status 24 hours a day. Thank you for your interest!

Oldcastle APG, a CRH Company, is an Affirmative Action and Equal Opportunity Employer.

EOE/Vet/Disability

CRH is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.

AI tools may be used in certain stages of the employment lifecycle, such as candidate review; however, all final employment decisions will be made by a person.

Posting Start Date: 5/5/26
Posting End Date: