Demo

Quality Control Technician

Hydro International
San Antonio, TX Full Time
POSTED ON 4/16/2026
AVAILABLE BEFORE 5/16/2026
Job ID: 520529

Non-Exempt

Oldcastle Infrastructure™, a CRH company, is the leading provider of utility infrastructure solutions for the water, energy, and communications markets throughout North America. We’re more than just a manufacturer of precast concrete, polymer concrete, or plastic products. We’re a trusted and strategic partner to engineers, contractors, distributors, specifiers, and more. With our network of more than 80 manufacturing facilities and more than 4,000 employees, we’re leading the industry with innovation and a safety-first mindset.

Oldcastle Infrastructure - Built For Life from Oldcastle Infrastructure on Vimeo.



Job Summary

The ideal candidate in this role will perform a wide range of duties in an industrial indoor and outdoor manufacturing environment. This individual will be performing routine tests as required on raw materials, in process components and final product.

Job Responsibilities

  • Perform daily compressive strength testing of hardened concrete specimens
  • Perform daily pre/post pour inspections on products
  • Monitor production operations as required
  • Assist when necessary with strip, setup, and pouring of products
  • Report to management team on process improvements, repetitive mistakes, and quality concerns
  • Other responsibilities may be assigned on a temporary or permanent basis as needed

Job Requirements

  • High school diploma or equivalent
  • Must have quality control experience in related industry
  • ACI / PCI Certification preferred, or required to pass ACI Concrete Field Testing within 3 months and maintain certification
  • Basic computer skills
  • Ability to read/write simple instructions and communicate effectively with team members
  • Ability to lift up to 40 lbs periodically throughout the day

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 Infrastructure, 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.

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