Intern, Mine Planning (Summer 2027)

Martin Marietta; Indianapolis (IN); On-site; USD 25,000 - 30,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401(k)

Job summary

Martin Marietta's Summer Mine Planning Internship in Indianapolis offers hands-on experience in mine planning, geological modeling, resource evaluation, and operational improvement initiatives over about 10 weeks. You will work with mining engineers, geologists, and operations leaders, contributing to short- and long-range planning and data analysis.

You'll gain exposure to field and office work, develop technical, analytical, project management, and leadership skills, and advance safety-focused

Qualifications

• Currently pursuing a bachelor's degree in mining engineering, civil engineering, geology, geological engineering, or a closely related field.
• Knowledge of AutoCAD, GIS applications, and Microsoft Office products.
• Strong analytical, critical thinking, and problem-solving skills.
• Excellent verbal and written communication skills, including technical report writing.
• Strong organizational and time management skills with the ability to manage multiple priorities and deadlines.
• Demonstrated attention to detail and ability to work independently with minimal supervision.

Responsibilities

• Follow and promote safety, environmental, and ethical standards in all work activities.
• Actively participate in safety initiatives and support a culture of safety excellence.
• Collaborate with operations management, mine planners, and mining engineers to support planning activities across short-, mid-, and life-of-mine horizons.
• Assist in monitoring mining progress, evaluating production performance, and identifying opportunities for improvement.
• Support drilling, exploration, and resource evaluation programs, including field data collection and sampling.
• Digitize, organize, and analyze geological, survey, and operational data to support modeling and planning.
• Develop geological models, maps, reserves documentation, and planning reports.
• Use AutoCAD, GIS, and MS Office tools for planning and reporting.

Education

Bachelor's degree in mining engineering, civil engineering, geology, geological engineering, or closely related field

Tools

AutoCAD

GIS

Microsoft Office

Job description

Description

The Martin Marietta Summer Mine Planning Internship provides students with meaningful, hands‑on experience supporting mine planning, geological modeling, resource evaluation, and operational improvement initiatives. This approximately 10‑week program offers the opportunity to apply classroom knowledge to real‑world mining projects while developing technical, analytical, project management, and leadership skills.

Working alongside mining engineers, geologists, and operations leaders and reporting to members of the Mine Planning team, Mine Planning Interns gain exposure to both short‑term and long‑range mine planning activities across Martin Marietta's aggregate operations. Interns contribute to projects that support operational efficiency, resource optimization, geological analysis, and strategic mine development while gaining a deeper understanding of how mine planning supports safe, efficient, and sustainable 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.


• Work with operations management, mine planners, and mining engineers to support short‑range, mid‑range, and life‑of‑mine planning activities.


• Assist in monitoring mining progress, evaluating production performance, and identifying opportunities for improvement and plan reconciliation.


• Support drilling, exploration, and resource evaluation programs, including field data collection, exploration hole location, geological logging, and quality sampling.


• Digitize, organize, and analyze geological, survey, and operational data to support resource modeling and mine planning efforts.


• Assist with the development of geological models, maps, reserves documentation, and planning reports.


• Utilize software applications such as AutoCAD, GIS platforms, and Microsoft Office tools to support planning and reporting activities.


• Conduct quantitative analysis of mining and operational data to identify trends, opportunities, and business insights.


• Collaborate with cross‑functional teams including Operations, Engineering, Environmental, Land, and Geology to support business objectives.


• Support continuous improvement initiatives focused on operational efficiency, resource utilization, and long‑term mine development.


• Build and maintain strong working relationships across the organization while demonstrating professionalism and initiative.


• Support additional strategic projects and business initiatives as assigned.


• 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 mining engineering, civil engineering, geology, geological engineering, or a closely related field.and and


• Knowledge of AutoCAD, GIS applications, and Microsoft Office products.


• Strong analytical, critical thinking, and problem‑solving skills.


• Excellent verbal and written communication skills, including technical report writing.


• Strong organizational and time management skills with the ability to manage multiple priorities and deadlines.


• Demonstrated attention to detail and ability to work independently with minimal supervision.


• Strong interpersonal skills and ability to collaborate effectively within both field and office environments.


• Self‑motivated with a willingness to learn and adapt in a dynamic work environment.


• Strategic thinking skills with the ability to develop practical and easy‑to‑follow planning solutions.


• Ability and willingness to travel regularly to operational sites as needed. Some overnight travel may be required.


• Valid driver's license preferred.

Why Martin Marietta?

At Martin Marietta, we invest in developing future leaders. Our Mine Planning Internship provides meaningful project work, experienced mentors, and exposure to the technical and operational functions that support one of North America's leading building materials companies. Interns gain valuable field and office experience, expand their professional network, and develop skills that can lead to future internship opportunities and full‑time career paths within Mine Planning, Engineering, Geology, Operations, and our Management Associate programs.

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.