Heavy Equipment Operator (Days) | Rio Medina Quarry, West San Antonio, TX at Martin Marietta in Hondo, Texas, United States | Kablio

Role

Description

equipment operation

safety inspections

preventative maintenance

cargo loading

equipment housekeeping

radio communication

Shift work includes 12‑hour rotations, with potential weekends, holidays and overtime. Operators must complete pre‑shift inspections, perform preventative maintenance, and adhere to MSHA and plant safety regulations.

Operate haul trucks, excavators, motor graders, water trucks, Bobcats, loaders, and other mobile equipment safely.
Perform pre‑shift safety inspections and document findings.
Conduct preventative maintenance and report repairs.
Load cargo securely following safety requirements.
Maintain equipment housekeeping and cleanliness.
Assist with plant maintenance, repairs, and operation of additional equipment.
Communicate vehicle movements via CB radio, hand signals, and warning sounds.
Adhere to MSHA, plant safety rules, policies, and procedures.

Requirements

high school

heavy equipment

1 year

communication

teamwork

physical stamina

Candidates need a high school diploma or equivalent, a working knowledge of heavy construction equipment, and preferably at least one year of operating experience. Strong communication, basic math skills, and the ability to work in a team are essential.

The role requires physical stamina: climbing on equipment, lifting up to 50 lb, and working outdoors in all weather conditions while wearing required safety gear.

Benefits

The position offers competitive hourly pay with overtime, annual raises, and immediate PTO. Employees receive full medical, health, and wellness benefits on day one, a 401(k) with company match, a pension plan at no cost, and a guaranteed home‑daily schedule.

Work with minimal supervision.

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