Intern, Continuous Improvement​/Industrial Engineering; Summer

Description

The Martin Marietta Continuous Improvement/Industrial Engineering Internship at the Salisbury Shop provides students with meaningful, hands‑on experience supporting engineering, fabrication, machining, and repair operations within the Company's only crusher repair facility.

Reporting to the Shop Manager, the Engineering Intern will gain exposure to a wide variety of engineering and manufacturing processes while working alongside experienced engineers, machinists, welders, and maintenance and warehouse personnel. This opportunity allows students to apply classroom knowledge in a real‑world industrial environment while developing technical, analytical, and project management skills.

Interns will gain experience in safety, quality control, continuous improvement, 5S, automation, and procedure development.and Additional learning opportunities include hands‑on CNC machining processes, CNC cutting processes, welding operations, and rock crusher assembly and disassembly processes. Through these experiences, interns will develop a deeper understanding of manufacturing, equipment maintenance, and engineering practices that support safe, efficient, and reliable operations.

• Follow and promote Martin Marietta's safety, environmental, and ethical standards in all work activities.
• Actively participate in company safety initiatives and support a culture of safety excellence.
• Demonstrate safety consciousness, dependability, motivation, and professionalism in daily activities.
• Identify and assist with the implementation of projects that improve facility and process safety, quality control, and facility-wide 5S adoption.
• Identify and scope projects which increase automated processes in mechanic, welding, machining, and warehousing operations.
• Record and develop work instructions for our common repair processes.
• Assist in the transition of our quality control processes from paper to digital.
• Gain hands‑on experience using precision measuring equipment, including micrometers, calipers, and vision measuring systems.
• Observe and support CNC machining and CNC cutting processes within the manufacturing environment.
• Gain exposure to welding operations and machine assembly/disassembly activities.
• Collaborate effectively with engineering, fabrication, machining, and maintenance teams to support operational objectives.
• Demonstrate initiative, professionalism, and a strong work ethic while working independently and as part of a team.
• Perform all responsibilities in accordance with the Company's Mission, Vision, Values, policies, procedures, and Code of Ethical Business Conduct.

• Currently pursuing a bachelor's degree in Industrial Engineering, Manufacturing Engineering or Automation Engineering.
• Strong verbal and written communication skills.
• Proficiency with AutoCAD preferred.
• Strong attention to detail and willingness to learn in a manufacturing and engineering environment.
• Ability to work independently with minimal supervision.
• Strong analytical, problem-solving, and organizational skills.
• Ability to work in both office and shop environments.
• Ability to sit, stand, walk, kneel, bend, or perform physical activities for extended periods as required.
• Ability to wear required Personal Protective Equipment (PPE), including safety glasses, safety-toe shoes, hard hats, hearing protection, high‑visibility clothing, and other required safety equipment while in operational areas.

At Martin Marietta, we invest in developing future leaders. The Salisbury Shop Engineering Internship provides meaningful project work, experienced mentors, and direct exposure to engineering, manufacturing, fabrication, and equipment repair operations supporting one of North America's leading…