For EmployersCoach ConnectReviewsAbout FairygodbossCareers @ FairygodbossPrivacy PolicyTerms & Conditions
Fairygodboss
CommunityJobsAdviceEventsReviewsFor EmployersCoach Connect
Sign inGet StartedGet started
CommunityJobsAdviceEvents
CRH

Mechanical Engineer Intern

Sep 14, 2026• Harrisburg, PA

About us

We are a family of many cultures, operating in 28 countries, and we value the contribution of all our people all over the world.

★ 5.0 out of 5 · 7 reviews

  • Size: 10,000+ employees
  • Industry: Industrial: Building Materials Manufacturing
View company profile ›

Why you should apply for a job to CRH:

  • 5.0/5 in overall job satisfaction
  • 5.0/5 in supportive management
  • 100% say women are treated fairly and equally to men
  • 100% would recommend this company to other women
  • 100% say the CEO supports gender diversity

Ratings are based on anonymous reviews by Fairygodboss members. See all reviews ›

Job ID: 528841

Pennsy Supply is a CRH company. CRH is the leading vertically integrated supplier of asphalt, aggregates, cement, ready-mix concrete, and paving and construction services in North America. Our 24,100 employees at 1,300 operating locations provide our customers with top-quality, innovative products and services.

Position Overview

The Mechanical Engineering Intern will work for approximately 10-12 weeks at Pennsy Supply, Inc. to integrate the education received from a college and/or university to the company's objectives. The Intern will be exposed to a variety of departments and work environments during the internship. This will involve travel to and between various plants in Pennsy Supply's Harrisburg, PA market region.

Key Responsibilities (Essential Duties and Functions)
  • Adhere to and follow all safety rules and regulations of MSHA/OSHA/DOT and Pennsy Supply, Inc.
  • Conduct daily safety assignments (area inspections, pre-shifts, JSA's, TRACK, etc)
  • Work with Operations staff to review and learn the following:
  • Capital project planning, budgeting, and management
  • Maintenance activities and process improvement
  • Mine overview and explanation of the mine planning process
  • May briefly train as a ground person, equipment operator and/or plant operator
  • May briefly assist on the plant maintenance crew
  • Understand components of preventative and predictive maintenance programs
  • Process overview, KPI's, production reports, dispatching component
  • Quality control issues, including understanding of sampling and testing procedures
  • To a lesser extent, work with the Customer Support and Operations departments to review the following:
  • Spend time with Construction Manager, Construction Superintendent and Sales Representative
  • Dispatch - customer service-related issues and work order process
  • Delivery of product - aggregate, asphalt and/or concrete
  • Financial reports related to the department
  • Understand how plant operations affect customers
  • Regular and timely attendance
  • Must be willing and able to travel to plant locations.
  • Other duties as assigned


Education/Experience
  • Mechanical Engineering major, current sophomore or junior.
  • Desired 3.0 GPA or higher.
  • Excellent computer skills and proficient in Word and Excel.


General Requirements
  • Mobility to attend various meetings and events at offsite locations.
  • Must submit to a drug screen and criminal background check
  • Ability to travel with a current driver's license.


What CRH Offers You

  • Highly competitive base pay
  • 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!

Pennsy Supply, 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.

Want more jobs like this?

Get jobs in Harrisburg, PA delivered to your inbox when you sign up.

Additional Information

  • Posted: Sep 14, 2026
Apply on company site
Apply on company site

Similar Jobs

  • Product Design Engineer Intern (Mechanical) - ShenzhenApple深圳, 广东省
  • Product Design Engineer Intern (Mechanical) - ShanghaiApple
  • Technical Information Systems EngineerCumminsPune
  • Reliability EngineerCargillCastelmassa, Veneto
  • Junior Mechanical Engineer -Maintenance Team - Dutch SpeakingEquinixAmsterdam
  • Senior Mechanical EngineerLeidosLynnwood, WA

Suggested Searches

  • CRH Jobs
  • All Jobs

Search Additional Jobs

  • Remote-Friendly Mechanical Engineer Intern Jobs
  • Harrisburg, PA Jobs
Fairygodboss

Fairygodboss

  • Community Guidelines
  • Submissions & Editorial Guidelines
  • Privacy Policy
  • Terms & Conditions
  • The Muse

Advice

  • Community
  • Articles
  • Podcasts
  • Research
  • Pregnancy Week by Week
  • Browse Discussions

Jobs

  • Browse All Jobs
  • Remote Jobs
  • Company Reviews
  • Best Companies for Women

Events

  • Events Calendar
  • Virtual Career Fairs

Employers

  • Partner with Us

© 2026 FGB Muse Group Inc.

© 2026 FGB Muse Group Inc. All rights reserved.

  • About
    • About Us
    • Community Partners
  • Careers
  • FAQs
    • Community Guidelines
    • Submissions & Editorial Guidelines
  • Privacy Policy
  • Terms & Conditions