Martin Marietta
Mining/ Production Intern | Summer 2027
Bridgeport, Texas, US
Role snapshot
Martin Marietta is hiring a Mining/ Production Intern | Summer 2027 on a internship basis. This is a role based in Bridgeport, Texas, US.
- Company
- Martin Marietta
- Location
- Bridgeport, Texas, US
- Job type
- Internship
- Posted
- Nov 6, 2026
Who this role suits
Students and recent graduates who want hands-on experience. Internships are usually judged on curiosity, projects and coursework rather than years of work history.
How to prepare your application
- Put one or two projects near the top of your résumé, with a link a recruiter can open in a few seconds.
- Revise core fundamentals for the role; early-career interviews lean heavily on basics and how you reason through a problem.
- Read what Martin Marietta publishes about its product or team, so you can say clearly why this role and this company.
Apply only on Martin Marietta's own site. A genuine employer never asks candidates for money, deposits or bank details to apply, interview or “secure” a job. If something looks wrong, use Report a problem with this listing and we will review it. Read how we check listings.
About the role
Job Description:
Job Summary:
This role will provide an opportunity to contribute towards key projects and analysis that are important to our business. Contributions include coordination of small projects, leading project tasks, documenting processes, providing ad-hoc analysis, and supporting efforts to build and maintain business processes, systems, and data. Subject matter experts will provide guidance to help resolve complex problems.
Key Duties and Responsibilities:
Minimum Education Details
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.
Job Summary:
This role will provide an opportunity to contribute towards key projects and analysis that are important to our business. Contributions include coordination of small projects, leading project tasks, documenting processes, providing ad-hoc analysis, and supporting efforts to build and maintain business processes, systems, and data. Subject matter experts will provide guidance to help resolve complex problems.
Key Duties and Responsibilities:
- Performs work activities as directed to gain knowledge about the organization, the industry, and Martin Marietta's products.
- In addition to the primary responsibilities outlined, the successful candidate may be expected to take on other tasks and assignments as required, including but not limited to duties outside the typical scope of the role to support overall team operations and organizational needs. Flexibility and adaptability to evolving job demands are essential.
Minimum Education Details
- High school diploma, GED, or equivalent experience
- No prior experience required
- Time Management
- Detail Orientated
- Oral and Written Communication
- Organization Skills
- Problem Solving
- Microsoft Office Suite
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.