DryMix Innovation - Summer Intern

Job ID:  518615

Oldcastle® APG, a CRH Company, is North America’s leading provider of innovative outdoor living solutions that enable customers to Live Well Outside. The manufacturer’s portfolio of premier building products inspires endless possibilities while providing enduring outdoor spaces where people can connect, reflect and recharge. Award-winning brands include Belgard® hardscape, Echelon® Masonry, MoistureShield® composite decking, RDI® railing, Catalyst™ Fence Solutions, Sakrete® packaged concrete, Amerimix® mortar, Pebble Technology International® pool finishes, Lawn & Garden mulches and landscape features, and Techniseal® sands and sealant technologies.    

Oldcastle APG, Inc.’s 2026 Summer Internship Program is designed to provide a professional environment for undergraduate students to gain real-world experience at a global industry-leading manufacturer of concrete building and hardscape products.The program will run from early June through early August and will provide exposure to valuable learning opportunities within the corporate functions of the organization through assignments, projects, and collaboration. This is the perfect opportunity for undergraduate students to apply their knowledge and creativity to a growth-oriented company with headquarters in Atlanta, GA.

Job Summary

The DryMix Innovation Program is a strategic initiative focused on shaping next-generation building materials. As a Summer Intern, you will support high-impact innovation and R&D initiatives related to DryMix Infrastructure Products. This role offers hands-on technical experience, cross-functional collaboration, and exposure to sustainability and automation within construction materials.

The intern will work closely with an Innovation Engineer to define, develop, and execute a focused technical project that supports innovation and related commercialization efforts across Oldcastle APG.

A successful intern will gain exposure to real-world innovation challenges and cross-functional decision-making within Oldcastle APG. This internship is designed to provide meaningful professional development and may serve as a pipeline for future full-time opportunities.

Job Location

This is an onsite position located in Atlanta, GA.

Job Responsibilities

• Conduct lab-scale experiments on DryMix formulations, including performance testing and material characterization.
• Evaluate technical and operational feasibility of prioritized innovation ideas.
• Assist in market and competitive research to support go-to-market strategy development.
• Prepare technical summaries, test reports, and presentations for internal stakeholders.
• Collaborate with engineering, sales, marketing, and operations teams to align technical solutions with business objectives.
• Develop and present a capstone Special Project to APG leadership with guidance and mentorship from the Innovation Engineering team.

Job Requirements

• Currently pursuing a degree in Civil Engineering, Materials Science, Chemistry, or a related field. (Anticipated graduation date: Fall 2026 or Spring 2027)
• Foundational knowledge of cementitious materials and construction chemistry.
• Familiarity with laboratory testing protocols (ASTM standards are a plus).
• Comfortable working in laboratory and plant environments while following established safety protocols.
• Strong analytical, communication, and documentation skills.
• Innovative thinker with an interest in sustainable construction and new materials.
• Demonstrated willingness to learn, adapt, and explore new technical challenges.

Compensation

$20 an hour

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.