Demo

Manufacturing Engineering Intern

Oldcastle Infrastructure and Careers
Napoleon, OH Intern
POSTED ON 3/7/2026
AVAILABLE BEFORE 5/3/2026

Job ID: 519166

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.


Job Summary


Oldcastle Infrastructure is looking for a Manufacturing Intern. Interns will have the opportunity to apply your classroom-learned skills to track data, analyze processes, and recommend solutions for improvement based on the gathered data from our facilities.


This position is expected to start in-person in May


Job Location


  • This is an onsite position located in Napoleon, OH


Job Responsibilities


  • Define manufacturing process issues, collect data, analyze facts, implement solutions, and review as needed
  • Documentation of new processes
  • You will partner with and influence stakeholders across the organization, such as Operations, Product, and Technology address process related activities
  • Troubleshooting and resolving operational issues to minimize downtime


Job Requirements


  • Sophomore, Junior or Senior pursuing a Bachelor's Degree in Mechanical Engineer, Civil Engineering, Industrial Manufacturing or other related field
  • Demonstrated knowledge of engineering fundamentals and proficiency in Microsoft Office, and AutoCAD
  • Strong analytical, problem-solving skills and ability to work in fast paced high stress environment
  • Excellent interpersonal skills and exemplary oral/written communication skills
  • Ability to work both independently and in a team setting
  • Ability to write reports and analyze raw data


Compensation


  • The hourly pay rate is $25/hr


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 Enclosure Solutions (OES), 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.

Salary : $25

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