Intern, Continuous Improvement/Industrial Engineering (Summer 2027)

Martin Marietta; Salisbury (NC); On-site; USD 40,000 - 50,000; Full time

Benefits offered by this job

Medical

Prescription Drug

Dental

Vision

401(k) with Company matching

Pension

Paid Holidays and Vacation

Job summary

Martin Marietta Salisbury Shop invites engineering interns to gain hands-on experience supporting engineering, fabrication, machining, and repair operations in a crusher repair facility.

You will work with experienced engineers, machinists, welders, and maintenance staff, applying classroom knowledge to real-world industrial settings while developing technical, analytical, and project-management skills.

Qualifications

• 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 PPE, including safety glasses, safety-toe shoes, hard hats, hearing protection, high-visibility clothing, and other required safety equipment while in operational areas.

Responsibilities

• Follow and promote safety, environmental, and ethical standards in all activities.
• Participate in safety initiatives and support a culture of safety excellence.
• Demonstrate safety consciousness, dependability, motivation, and professionalism daily.
• Identify and assist with projects that improve facility and process safety, quality control, and 5S adoption.
• Identify and scope projects increasing automated processes in mechanics, welding, machining, and warehousing.
• Record and develop work instructions for repair processes.
• Assist in transitioning quality control from paper to digital.
• Gain hands-on experience using precision measuring equipment (micrometers, calipers, vision systems).
• Observe and support CNC machining and CNC cutting processes.
• Gain exposure to welding operations and machine assembly/disassembly.
• Collaborate with engineering, fabrication, machining, and maintenance teams to support objectives.
• Demonstrate initiative, professionalism, and a strong work ethic while working independently and as part of a team.

Skills

Verbal communication

Written communication

Analytical thinking

Problem solving

Organizational skills

Independent working

Attention to detail

Education

Bachelor’s degree in Industrial/Manufacturing/Automation Engineering

Tools

AutoCAD

Job description

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.

Key Responsibilities

• 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.

Qualifications

• 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.

Why Martin Marietta?

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 building materials companies.

Interns gain valuable hands‑on industry experience while building technical knowledge, professional relationships, and leadership skills that can lead to future internship opportunities and full‑time career paths within Engineering, Operations, Manufacturing, and Maintenance.

If you're looking for an opportunity to learn, grow, and help build the foundations of America's infrastructure, we encourage you to apply.

A member of the S&P 500 Index, Martin Marietta is an American‑based company and a leading supplier of heavy building materials – including aggregates, cement, ready‑mixed concrete and asphalt. Through a network of operations spanning 28 states, Canada and the Bahamas, dedicated Martin Marietta teams supply the foundational resources upon which our communities thrive. Martin Marietta's Magnesia Specialties business produces high‑purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications.

At Martin Marietta, we strive to work with the best and the brightest – those who have the potential to become our company's future leaders. Each of our roughly 9,500 people shares a common purpose regardless of their professional role or work environment. Together, we utilize our diverse skills and experiences to drive our company and its extraordinary culture forward. Our aim is to build on our foundation of success and help values‑driven and hardworking people realize their full potential. When you decide to invest your career in Martin Marietta, you'll know what it's like to be respected, challenged and rewarded.

In return, we offer a highly competitive benefits package, including:

• Medical
• Prescription Drug
• Dental
• Vision
• Health Care Reimbursement Account
• Dependent Care Reimbursement Account
• Wellness Programs
• Employee Assistance Plan
• Paid Holidays and Vacation
• 401(k) with Company matching
• Pension
• Salary Continuation – Short-Term Disability
• Long-Term Disability Options
• Employee Life Insurance
• Spouse & Dependent Life Insurance
• Business Travel Accident Insurance
• Direct Deposit Payroll
• Educational/Tuition Assistance Plan
• College Scholarship Program – for dependent children
• Matching Gift Program
• New Auto Purchase Discount Plans

At Martin Marietta, we are proud to be an Equal Opportunity Employer. We are committed to providing an environment of mutual respect where equal employment opportunities are available to all qualified applicants and teammates. We celebrate diversity and commit that qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.