Plant Operator - Aggregates

Position Overview
The Plant Operator is responsible for safely and efficiently operating mechanical equipment, production machinery, and electronic controls involved in the processing and handling of sand, gravel, rock, and other materials. This position supports the production of aggregate and asphalted materials by maintaining proper equipment functionality, monitoring production flows, and assisting with routine maintenance and housekeeping tasks. Attention to safety, equipment performance, and operational efficiency is critical to success in this role.
Principal Duties and Accountabilities (Essential Functions)

* Operate conveyors, crushers, screens, batching units, and related plant equipment used in sorting, sifting, mixing, and processing aggregate materials.
* Adjust equipment settings and monitor controls to ensure consistent material quality and production rates.
* Perform routine inspections, preventive maintenance, and minor repairs on plant machinery and production systems.
* Start and stop equipment as needed, monitoring conditions and communicating any abnormalities or issues to supervision.
* Complete daily production logs, and material tracking.
* Support the safe and efficient flow of materials through the plant by coordinating with mobile equipment operators and other team members.
* Responsible for completing area audits.
* Always maintains work area and equipment in a safe and clean condition.
* Responsible for abiding by and supporting all company and plant safety policies, rules and procedures as well as M.S.H.A regulations.

NOTE: This list presents only the principal duties of the position and is not intended to be comprehensive. Other duties and responsibilities may be assigned as dictated by the business needs and conditions. As an essential function of the job, good attendance is required.
Educational Skills and Experience
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Required Skills and Abilities
* Ability to operate industrial equipment safely and responsibly.
* Strong mechanical aptitude with the ability to perform minor troubleshooting and adjustments.
* Basic understanding of plant processing systems, materials handling, and control panels.
* Ability to remain focused, follow detailed instructions, and react calmly in operational or emergency situations.
* Good verbal and written communication skills.
* Self-motivated with the ability to manage time and work independently or as part of a team.
* Basic recordkeeping skills for production logs and maintenance documentation.

Education & Experience
* High School Diploma or GED preferred.
* Prior experience operating or maintaining equipment in aggregates, mining, construction, or a related industrial environment preferred, but not required.
* Willingness to learn plant systems, safety protocols, and job-specific skills through on-the-job training.

Other Qualifications
* Ability to follow both verbal and written instructions and respond calmly to operational demands.
* Willingness to work outdoors in variable weather and physically demanding environments.
* Flexibility to work overtime, weekends, holidays, and occasional travel (including overnight) based on business needs.
* Must be able to work in elevated areas, confined spaces, or around moving equipment as required.

Work Environment
The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is regularly exposed to moving mechanical equipment and heavy machinery. Work is performed in both indoor and outdoor environments, with frequent exposure to seasonal temperature extremes, high humidity, dry and dusty conditions, and varying weather. The role often requires working at elevated heights and navigating rough, uneven, or sloped terrain. Occasional exposure to chemicals, solvents, fumes, acids, grease, and fuels may occur. The employee may also work in confined or restricted spaces. The work environment can be loud, and the use of appropriate personal protective equipment (PPE) is required at all times.

Physical Demands
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

* Ability to perform job task assignments 8 to 14 hours per day, 5 days a week and occasionally on weekends.
* Ability to lift 50 lbs. ground to shoulder height frequently and up to 75 lbs. ground to waist level height occasionally.
* Ability to perform tasks on rough, uneven surfaces and terrain in often wet/damp conditions.
* Ability to work and perform tasks at heights from 1 to 100 feet from the ground while utilizing a personal fall arrest harness and lanyard.
* Work on stairs, ladders, raised platforms, flat and angled surfaces at varying heights.
* Capable of speaking, sitting, standing, walking, kneeling, carrying, pushing, pulling, balancing, climbing ladder and stairs, bending, stooping, squatting, twisting, crawling, reaching, handling, grasping for periods extending to fourteen (14) hours per shift.
* Oriented to hear with ability to discriminate between sounds and maintain awareness of surroundings.
* Ability to operate equipment to include forklift, crane, aerial lift/ work platform.
* Ability to drive heavy mining and aggregate production equipment including wheel loaders, haul truck, backhoe, and skid steer loader.
* Ability to work safely in a fast-paced environment. Ability to work outside, tolerate ambient seasonal temperature extremes, humidity, and generally dry/dusty conditions.
* Ability to work in confined and tight work areas as well as move heavy objects in tight areas.
* Oriented to see workplace hazards with ability to eliminate within reasonable means, and to avoid personal injury or property damage.
* Ability to work around chemicals, solvents, fumes, acids, grease, and fuels.
* Ability to hear and discriminate between sounds to be aware of surroundings.
* Ability to use/wear personal protective equipment, respirators, hearing protection, gloves, protective eyewear, hardhats, protective clothing, and industrial footwear.

Who We Are

Capitol Aggregates, a division of Zachry, stands on a rich tradition of creativity, stability, innovation, and experience in the construction and building materials industry. Fully understanding that Capitol's employees are the heart of our success, we foster a dynamic work environment by providing development opportunities such as training, education, and career advancement.

We believe people are our greatest asset and offer a variety of training and development opportunities to promote excellence and facilitate career advancement.

We take care of our team members as family, within a culture of service where we do the right thing because it is the right thing to do.

Our Core Values guide everything we do:

Every Person Matters | Together We Can Do Great Things | This Is More Than a Job

Position Overview

The Plant Operator is responsible for safely and efficiently operating mechanical equipment, production machinery, and electronic controls involved in the processing and handling of sand, gravel, rock, and other materials. This role supports aggregate and asphalt production by maintaining proper equipment functionality, monitoring production flows, and assisting with routine maintenance and housekeeping tasks.

What You'll Do

• Operate conveyors, crushers, screens, batching units, and related plant equipment used in processing aggregate materials.
• Adjust equipment settings and monitor controls to maintain consistent material quality and production rates.
• Perform routine inspections, preventive maintenance, and minor repairs on plant machinery.
• Start and stop equipment as needed and communicate abnormal conditions to supervision.
• Complete daily production logs, material tracking, and required documentation.
• Coordinate with mobile equipment operators and plant team members to support efficient material flow.
• Complete area audits and maintain clean, safe work areas.
• Follow all company, plant, and MSHA safety policies and procedures.
• NOTE: This list presents only the principal duties of the position and is not intended to be comprehensive. Other duties and responsibilities may be assigned as dictated by the business needs and conditions. As an essential function of the job, good attendance is required.

What You'll Bring

Required Skills and Abilities

• Ability to operate industrial plant equipment safely and responsibly.
• Strong mechanical aptitude with the ability to perform minor troubleshooting and adjustments.
• Basic understanding of plant processing systems, materials handling, and control panels.
• Ability to remain focused, follow detailed instructions, and respond calmly in operational or emergency situations.
• Good verbal and written communication skills.
• Ability to manage time and work independently or as part of a team.

Education & Experience

• High School Diploma or GED preferred.
• Prior experience operating or maintaining equipment in aggregates, mining, construction, or a related industrial environment preferred, but not required.
• Willingness to learn plant systems, safety protocols, and job-specific skills through on-the-job training.

Other Qualifications

• Ability to follow verbal and written instructions and respond calmly to operational demands.
• Willingness to work outdoors in variable weather and physically demanding environments.
• Flexibility to work overtime, weekends, holidays, and occasional travel as business needs require.
• Ability to work in elevated areas, confined spaces, or around moving equipment safely.

Benefits & Equal Opportunity

Capitol Aggregates offers an industry leading benefits package for our employees and their families.

• Medical, Dental, Vision and Life Insurance
• 401K, Paid Leave and Bonus Program
• Company-paid short-term and long-term disability insurance
• Employee assistance program
• Tuition Reimbursement
• And many more

We are an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status.

Notice to Staffing Agencies

Capitol Aggregates Inc. (Capitol) will not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to Capitol, including unsolicited resumes sent to a Capitol mailing address or email address, directly to Capitol employees, or to Capitol's resume database, will be considered Capitol property. Capitol will not pay a fee for any placement resulting from the receipt of an unsolicited resume. Capitol will consider any candidate for whom an Agency has submitted an unsolicited resume to have been referred by the Agency free of any charges or fees. Agencies must obtain advance written approval from Capitol's recruiting function to submit resumes, and then only in conjunction with a valid, fully executed contract for service and in response to a specific job opening. Capitol will not pay a fee to any Agency that does not have such an agreement in place. Agency agreements will only be valid if in writing and signed by Capitol's Human Resources Representative or their designee. No other Capitol employee is authorized to bind Capitol to any agreement regarding the placement of candidates by an Agency.

Company: Zachry

Position: Plant Operator - Aggregates

Req #: 10972617

Date Posted: April 07, 2026

Location: 719 County Rd 121, Marble Falls,
US,
TX,
78654

Job Category: Equipment Operator