Intern, Production (Summer 2026) at Martin Marietta in Castle Hayne, NC | Kablio

Role

Description

compliance

equipment ops

equipment maintenance

blasting

drill planning

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
Operates and maintains equipment throughout the plant, including but not limited to, crushers, screens, conveyors, and heavy off-road equipment.
Assists in the blasting process, including laying out drill patterns and loading shots.

Requirements

engineering

driver's license

communication

fast-paced

safety

mine ops

Must possess the ability to learn technical processes, high-level verbal and written communication skills, and the ability to work in a fast-paced production environment.
Currently pursuing a bachelor’s degree in Mining Engineering, Civil Engineering, Mechanical Engineering, or Construction Management, and have a valid driver’s license.
Becomes familiar with the operations of an Aggregate Mine, understanding the complete production process.
Prior full-time experience is not required.
Becomes familiar with the traits of high-performing managers in Martin Marietta.
Adheres to and enforces prescribed ethical, safety and environmental measures.

Benefits

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

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

Company

Overview

Founded 1993

Year Established

The company has grown to become a leading producer of construction materials in the U.S.

Specializes in aggregates, cement, ready-mixed concrete, and asphalt, which are used in major infrastructure projects.
Supplies materials for projects ranging from highways to residential communities across North America.
Financially robust and publicly traded, with consistent growth, making it a major player in the building materials industry.
Renowned for dedication to sustainable practices in producing essential materials for construction and infrastructure.
Involved in projects spanning critical transportation networks, utilities, and public infrastructure.
Offers services in quarry operations and environmental management in addition to core business.

Culture + Values

Committed to unwavering safety and health for its people and community.
Dedicated to ethical business practices that respect, include, and value everyone.
Committed to leading through responsible innovation, continuous improvement, and diverse leadership.
Strength and success come from people and respectful relationships in diverse communities.
Committed to making the world better today and for future generations, with a lasting impact.

Environment + Sustainability

Net Zero by 2050

Entire Value Chain Commitment

Aims to achieve Net Zero across the full value chain by 2050 with specific targets for Scope 1 and Scope 2 emissions.

Carbon Intensity 0.725

Cement Operations Performance

Carbon intensity of 0.725 ton CO₂e per ton of cement in 2022, reflecting a 13% reduction from 2010 baseline.

10,000 Metric Ton Reduction

Wind Turbines Impact

Annual CO₂ reduction achieved through the installation of wind turbines at Woodville, OH.

20% Fuel Efficiency Gain

Hybrid Wheel Loaders

Purchased seven hybrid wheel loaders, improving fuel efficiency by 20% compared to conventional diesel units.

Purchased seven hybrid wheel loaders (~20% more fuel‑efficient than conventional diesel units).
Total Injury Incident Rate of 0.78 in 2022 and 99.8% employees with zero lost‑time incidents; no significant environmental violations and < $19,000 in total penalties.
Board‑level Ethics, Environment, Safety & Health committee oversees environmental strategy; management Compensation Committee ties incentive pay to sustainability targets.

Inclusion & Diversity

Published EEO‑1 data; launched dedicated Inclusion, Engagement & Diversity website section; elevated Head of Inclusion & Engagement to VP level.
Joined CEO Pledge for Diversity & Inclusion to support a trusting environment where employees are empowered to discuss diversity and inclusion.
No DEI numeric stats on gender in public proxy/website; however EEO‑1 reporting implies internal tracking of workforce demographics.

Articles

Company

Overview

Founded 1993

Year Established

The company has grown to become a leading producer of construction materials in the U.S.

Specializes in aggregates, cement, ready-mixed concrete, and asphalt, which are used in major infrastructure projects.
Supplies materials for projects ranging from highways to residential communities across North America.
Financially robust and publicly traded, with consistent growth, making it a major player in the building materials industry.
Renowned for dedication to sustainable practices in producing essential materials for construction and infrastructure.
Involved in projects spanning critical transportation networks, utilities, and public infrastructure.
Offers services in quarry operations and environmental management in addition to core business.

Culture + Values

Committed to unwavering safety and health for its people and community.
Dedicated to ethical business practices that respect, include, and value everyone.
Committed to leading through responsible innovation, continuous improvement, and diverse leadership.
Strength and success come from people and respectful relationships in diverse communities.
Committed to making the world better today and for future generations, with a lasting impact.

Environment + Sustainability

Net Zero by 2050

Entire Value Chain Commitment

Aims to achieve Net Zero across the full value chain by 2050 with specific targets for Scope 1 and Scope 2 emissions.

Carbon Intensity 0.725

Cement Operations Performance

Carbon intensity of 0.725 ton CO₂e per ton of cement in 2022, reflecting a 13% reduction from 2010 baseline.

10,000 Metric Ton Reduction

Wind Turbines Impact

Annual CO₂ reduction achieved through the installation of wind turbines at Woodville, OH.

20% Fuel Efficiency Gain

Hybrid Wheel Loaders

Purchased seven hybrid wheel loaders, improving fuel efficiency by 20% compared to conventional diesel units.

Purchased seven hybrid wheel loaders (~20% more fuel‑efficient than conventional diesel units).
Total Injury Incident Rate of 0.78 in 2022 and 99.8% employees with zero lost‑time incidents; no significant environmental violations and < $19,000 in total penalties.
Board‑level Ethics, Environment, Safety & Health committee oversees environmental strategy; management Compensation Committee ties incentive pay to sustainability targets.

Inclusion & Diversity

Published EEO‑1 data; launched dedicated Inclusion, Engagement & Diversity website section; elevated Head of Inclusion & Engagement to VP level.
Joined CEO Pledge for Diversity & Inclusion to support a trusting environment where employees are empowered to discuss diversity and inclusion.
No DEI numeric stats on gender in public proxy/website; however EEO‑1 reporting implies internal tracking of workforce demographics.

Articles