Mechanic Tech I - Cement

Capitol Aggregates, Inc.; San Antonio (TX); On-site; USD 38,000 - 52,000; Full time

Job summary

Capitol Aggregates Inc. in San Antonio, TX is seeking a Mechanic Tech I - Cement to inspect, maintain and repair plant equipment and vehicles at our cement operations. You’ll handle heavy and light machinery, perform routine service, and support preventative maintenance to keep production on track.

The role requires strong troubleshooting, welding and basic machine work, with attention to safety and reliability. A GED or better, and a valid driver's license are required.

Qualifications

• GED/High School Diploma required.
• AA in Diesel Mechanics highly desirable.
• Must have valid and clean drivers' license.

Responsibilities

• Inspect, maintain and repair equipment and vehicles in the plant.
• Perform routine service on on- and off-road machinery.
• Maintain heavy equipment such as front-end loaders and bulldozers.
• Perform preventative maintenance and welding/machining work.
• Troubleshoot and diagnose equipment systems and rebuild as needed.
• Keep work areas clean and adhere to safety regulations.
• Attend to attendance as required by business needs.

Skills

Interpersonal skills

Verbal & written communication

Time management

Customer service

Problem solving

Independent work

Team collaboration

Education

GED/High School Diploma

AA in Diesel Mechanics (preferred)

Valid driver's license

Tools

Truck-mounted crane

Diagnostics software

Computers proficiency

Basic hand tools

MS Office (Word/Excel)

Job description

Mechanic Tech I - Cement San Antonio, TX

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 Mechanic Tech I is responsible for the inspection, prevention, maintenance and repair of all types of operating equipment and vehicles in the plant(s). Such equipment and vehicles may include heavy and light automotive equipment, earth moving equipment, and heavy earth moving equipment, internal combustion engines (gas and diesel) air compressors, pumps, vac trucks, sweepers, golf carts and other support equipment.

What You'll Do

• Position is primarily performed in the shop, however there are times when a machine may have work performed in the plant.
• Repairs and maintains various trucks and vehicles, including major and minor work
• Performs routine service calls on both "on" and "off" road
• Performs maintenance on heavy equipment such as front-end loaders, bulldozers, off-highway trucks and skid steers
• Performs preventative maintenance.
• Performs welding and machine work
• Troubleshoots, diagnosis and rebuilds any equipment systems.
• Cleans equipment and work areas daily.
• Abide by all related and established safety 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 business needs and conditions. As an essential function of the job, good attendance is required.

What You’ll Bring

Required Skills and Abilities

• Strong interpersonal and relationship-building skills with the ability to establish trust and maintain long-term customer relationships.
• Excellent verbal and written communication skills.
• Strong organizational and time management skills with the ability to manage multiple priorities and meet deadlines.
• Basic sales, negotiation, and customer service skills.
• Ability to identify customer needs and recommend appropriate products and solutions.
• Ability to prepare quotations, maintain accurate sales records, and manage customer information.
• Proficiency with Microsoft Office applications, including Word, Excel, Outlook, and PowerPoint.
• Ability to quickly learn product specifications, construction applications, and industry terminology.
• Strong analytical and problem-solving skills with the ability to make sound business decisions.
• Ability to work independently while collaborating effectively with operations, dispatch, quality control, customer service, and other internal departments.
• Strong commitment to delivering exceptional customer service and maintaining positive customer relationships.

Education & Experience

• GED/High School Diploma Required.
• AA in Diesel Mechanics highly desired but not required.
• Must have valid and clean drivers' license.
• Must be proficient with computers.
• Must have proficient know of and ability to use software to diagnose and repair component systems.
• Must be able to operate truck-mounted crane.
• Ability to provide own basic tools.

Other Qualifications

• Ability and aptitude to allow rapid/learning of complex mechanical trade work.
• Proven ability to operate a service truck in and around heavy traffic.
• Ability to provide timely customer service at all plants or locations.
• Must be flexible in work schedules and start times.
• Ability to communicate effectively using appropriate interpersonal skills.
• Ability to supervise own work and be self-motivated.
• Must have good analytical and troubleshooting skills.
• Commitment to following all Company safety policies and procedures.

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.

Position Information

Company : Zachry

Position : Mechanic Tech I - Cement

Req # : 11144677

Date Posted : October 02, 2026

Location : 11551 Nacogdoches Rd, San Antonio,
US,
TX,
78216

Job Category : Mechanic/Equipment Team