Diesel Mechanic Co-Op

CRH
Harrisburg, PA

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
This position is designed for students enrolled in a technical college degree program looking to gain hands-on experience in the diesel mechanic field. This position will work closely with experienced technicians and mechanics assisting in various repair and maintenance tasks while gaining valuable insights into the industry.

Essential Duties and Responsibilities

  • Responsible for own personal safety at all times; as well as maintaining the highest standard of safety and quality in all aspects of the job.

  • Hands-on experience with different types of heavy equipment.

  • Assist in diagnosing and repairing mechanical issues under the guidance of experienced technicians.

  • Perform routine maintenance tasks, including oil changes, tire rotations and fluid checks.

  • Opportunities to work on troubleshooting and preventive maintenance.

  • Training in the use of work orders, inventory systems, and vehicle condition reporting.

  • Exposure to state and federal regulations (DOT, OSHA, MSHA)

  • A fast-paced environment where you’ll work closely with experienced mechanics

  • Maintain a clean and organized workspace, following safety protocols and company procedures.

  • Support team members with various projects and tasks as needed.

  • Regular and timely attendance

  • Other duties as assigned.

Requirements

  • Must submit to a drug screen and criminal background check. 

  • Current driver's license and reliable source of transportation.

  • Strong organizational skills and attention to detail.

  • Report to the assigned job site ready to begin work at the designated start time,

  • Willingness to work in a team environment and assist co-workers or supervisors with other duties as assigned.

  • Mobility to attend various meetings and events at offsite locations.

Education/Experience

  • High School Diploma or GED equivalent.

  • Enrolled in a Technical College degree program.

  • Basic computer skills are needed.

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!

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.

Posted 2026-02-02

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