Quality Control Tech I - Cement

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 Quality Control Lab Technician I supports cement manufacturing operations by collecting samples and performing routine chemical and physical testing on raw materials, intermediate materials, and finished cement products. This entry-level role focuses on accurate sample preparation, testing, documentation, and communication of results in accordance with ASTM standards and internal Capitol Cement procedures.

What You'll Do

• Collect samples of raw materials, intermediate materials, and finished cement products following established procedures.
• Prepare samples and perform routine chemical and physical laboratory tests in accordance with standard methods.
• Accurately record and document test results, observations, and sample information.
• Communicate test results, sample issues, or equipment concerns to senior QC staff or supervision.
• Assist with maintaining laboratory equipment, tools, vehicles, and work areas in a clean, safe, and organized condition.
• Abide by and support 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 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 read, understand, and follow laboratory procedures, safety rules, and written instructions.
• Basic math skills and strong attention to detail for accurate testing and documentation.
• Ability to accurately record data and maintain organized laboratory records.
• Willingness to learn cement manufacturing processes, laboratory testing methods, and quality standards.
• Ability to work independently once trained while supporting a team-based environment.

Education & Experience

• High School Diploma or GED required.
• Prior experience in a cement plant, laboratory, or manufacturing environment preferred but not required.
• Entry-level position intended for individuals developing technical and quality control skills.

Other Qualifications

• Ability to follow direction from QC Technician II, QC Technician III, and supervision.
• Demonstrated reliability through consistent attendance and punctuality.
• Ability to exercise good judgment and escalate issues appropriately.
• Commitment to maintaining a clean, safe, and organized work environment.

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: Quality Control Tech I - Cement

Req #: 11040039

Date Posted: June 09, 2026

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

Job Category: Quality