Martin Marietta · 12 hours ago
Material Production/Mining Summer Intern | San Pedro Quarry - San Antonio, TX
San Antonio, TX
Internship
Onsite
InternMartin Marietta is a leading supplier of heavy building materials, and they are seeking a Material Production/Mining Summer Intern. This internship provides high school, college, or trade school students with hands-on experience in the mining industry, focusing on safety, production, and various operational aspects of an aggregate quarry.
ManufacturingMiningNatural Resources
Responsibilities
Adheres to and enforces ethical, safety and environmental measures
Operates and maintains equipment throughout the plant, including but not limited to, crushers, screens, conveyors, and heavy off-road equipment
Becomes familiar with the operations of an Aggregate Quarry/Plant, understanding the complete production process
Becomes familiar with the traits of high-performing managers in Martin Marietta
Ensures all activities are performed in accordance with the Company’s Mission, Vision, and Values, and in compliance with the Company’s policies, procedures, and Code of Ethical Business Conduct
Qualification
Required
Candidates must be currently pursuing a degree or trade certification in: Engineering Disciplines - Mining, Electrical, Mechanical, Civil, Industrial, Materials, or other related engineering fields
Construction Management
Mining Related
Valid driver's license
Over 18-years old
The ability to learn technical processes
High-level verbal and written communication skills
The ability to work in a fast-paced production environment
Possess reliable day-to-day transportation
Preferred
Prior related experience is preferred, not required
Benefits
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
Company
Martin Marietta
Martin Marietta Materials supplies the products to build the world around you. They are the nation’s second largest producer of
Founded in 2012
5001-10000 employees
H1B Sponsorship
Martin Marietta has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3)
2024 (8)
2023 (8)
2022 (5)
2021 (7)
2020 (5)
Funding
Current Stage
Public CompanyTotal Funding
$1.5B2024-10-31Post Ipo Debt· $1.5B
1994-02-25IPO
Leadership Team
Craig LaTorre
Vice President Human Resources Field Operations
Recent News
2026-01-03
2025-11-11
Martin Marietta Materials, Inc.
2025-11-04
Company data provided by crunchbase