Manager Quality Control Aggregates

CEMEX, Inc.; Rialto (CA); On-site; USD 85,000 - 109,000; Full time

Job summary

Cemex US is seeking a Manager of Quality Control Aggregates to lead our QC program and ensure materials meet specs. You will collaborate with operations and sales to drive continuous improvement and customer satisfaction.

The role requires strong leadership, statistical analysis, and familiarity with quality management systems. Domestic travel and safety compliance are part of the duties.

Qualifications

• Bachelor's degree preferred; equivalent experience considered.
• 4–10 years in aggregate, ready-mix, or construction materials QC.
• 2–4 years of supervisory or management experience.
• Thorough knowledge of ASTM, AASHTO, DOT standards.
• Experience with laboratory accreditation and quality management systems.
• Strong leadership, communication, and organization skills.

Responsibilities

• Plan, direct, and oversee the Quality Control Program to meet specs.
• Develop and analyze statistical data and process capability to set quality standards.
• Lead and develop Quality Control personnel including technicians and supervisors.
• Coordinate quality objectives with operations and sales for efficiency.
• Direct inspection, sampling, and testing; ensure compliance with frequency requirements.
• Verify calibration and maintenance of laboratory equipment and records.
• Ensure SOPs, certifications, and testing documentation are up to date.
• Investigate out-of-spec results and implement corrective actions.
• Support sales with material quality documentation for customers and agencies.
• Provide training on quality control procedures and systems.
• Conduct routine audits of labs, facilities, and documentation.
• Assist operations during production issues with technical guidance.

Skills

Leadership

Communication

Organizational skills

Analytical thinking

Problem solving

ASTM/AASHTO/DOT knowledge

Quality management systems

Statistical analysis

Operations collaboration

Education

Bachelor's degree preferred

Tools

Stonemont (AGGQC) software

Microsoft Office Suite

Job description

Job title: Manager Quality Control Aggregates

Date: Aug 14, 2026

Location: RIALTO, CA, US, 92376

Company Overview

Cemex US is a leader in the building materials industry, known for our innovation, quality, and operational excellence. With over a century of expertise, we are committed to delivering products and services that meet the needs of our customers and communities across the globe. At Cemex, we believe in investing in our people, offering competitive benefits and the opportunity to be part of a dynamic team. Join us and build your career with a company that is Building a Better Future.

Job Summary

Plans, directs, and oversees the Quality Control Program to ensure the consistent production of materials that meet or exceed company, customer, ASTM, AASHTO, DOT, and other applicable specifications. Provides leadership to quality personnel while partnering with operations and sales to promote continuous improvement, operational excellence, and customer satisfaction.

Job Responsibilities

• Implement, and continuously improve the Quality Control Program to ensure compliance with company, customer, ASTM, AASHTO, DOT, and other applicable specifications.
• Develop and analyze statistical data, process capability, and product specifications to establish quality standards, identify trends, and drive continuous improvement initiatives.
• Provide leadership, direction, coaching, mentoring, performance management, and professional development for Quality Control personnel, including technicians and supervisors, while fostering a culture of safety, accountability, and continuous improvement.
• Coordinate quality objectives with operations and sales to maximize product consistency, customer satisfaction, and operational efficiency.
• Direct inspection, sampling, and testing activities to ensure continuous compliance with internal testing frequency requirements and any external requirements.
• Verify laboratory equipment is calibrated, maintained, and operating properly while ensuring calibration records and documentation remain current.
• Ensure laboratories maintain required certifications, accreditations, standard operating procedures (SOPs), and testing documentation.
• Review laboratory data, investigate out-of-specification results, identify root causes, and implement corrective and preventive actions.
• Investigate customer quality concerns and collaborate with internal and external stakeholders to resolve issues while maintaining strong customer relationships.
• Support sales in providing documentation regarding material quality to customers and any outside agencies.
• Develop and deliver training programs related to quality control, testing procedures, specifications, and quality management systems.
• Conduct routine audits of laboratories, production facilities, testing procedures, and quality documentation to verify compliance.
• Support new product development, material qualifications, and aggregate source approvals as required.
• Assist operations during production issues by providing technical guidance and recommending process improvements to improve product quality and reduce variability.
• Prepare, review, and present quality reports, performance metrics, and recommendations to management.
• Provide technical support and plant coverage for Quality Control technicians and supervisors as operational needs require.
• Ensure compliance with all company safety policies, environmental requirements, and applicable regulatory standards.
• Manage quality-related budgets, laboratory supplies, testing equipment, and outside laboratory services as assigned.
• Recruit, develop, mentor, and evaluate Quality Control personnel while fostering a culture of safety, accountability, and continuous improvement.
• Perform other duties as assigned.

Qualifications

• Bachelor's degree is preferred. Equivalent combinations of education, technical training, and relevant industry experience will be considered.
• Minimum 4–10 years of aggregate, ready-mix, or construction materials quality control experience.
• Minimum 2–4 years of supervisory or management experience.
• Thorough knowledge of ASTM, AASHTO, DOT, and industry testing standards.
• Experience with laboratory accreditation, quality management systems, and statistical analysis.
• Strong leadership, communication, and organizational skills.

Knowledge, Skills, and Abilities

• Working knowledge of Microsoft Office Suite products
• Experience using Stonemont (AGGQC) software
• Strong analytical, problem-solving, and statistical analysis skills
• Ability to effectively communicate with operations, sales, customers, and regulatory agencies

Working Conditions

• Capable of working extended hours, weekends, and overnight as needed
• Regularly works in indoor and outdoor environments and is exposed to varying weather conditions, including extreme heat, cold, dust, noise, and uneven terrain.
• Frequent travel between plant, laboratory, and customer locations may be required.

Physical Requirements

• Requires walking, sitting, lifting, pushing, pulling, and climbing to a significant degree
• Exerting up to 20 pounds of force occasionally, and/or a negligible amount of force frequently
• Job involves sitting most of the time, but also involves walking or standing for brief periods of time
• While performing the duties of this job, the employee is regularly required to talk and hear, in order to communicate to employees/visitors

Legal Notices

CEMEX is an EEO/AA (equal opportunity/affirmative action) institution and does not discriminate on the basis of race, color, religion, religious creed, sex, sexual orientation, gender identity or expression, national origin, ancestry, age, physical or mental disability, medical condition, genetic information, marital or familial status, military or veteran status, or any other characteristic protected by under federal, state or local law in the programs or activities which it operates.

CEMEX will consider for employment qualified applicants with criminal histories in a manner consistent with all local, state and federal laws.

CEMEX is an E-Verify participating employer.

Arizona Smoke-Free Act. CEMEX complies with the State of Arizona’s Smoke-Free Act (Arizona Revised Statutes

§ 36-601.01). Smoking and/or the use of tobacco or related products is prohibited in and on CEMEX property as well as any building and/or vehicle owned or leased by CEMEX.

CEMEX offers both competitive pay and benefits. Benefits applicable to this position may include, but are not limited to, medical, dental, vision, 401(k), Paid Time Off, and Holiday Pay, as well as a comprehensive wellness program to help keep employees and their families healthy and well. You can learn more about CEMEX Benefits by visiting the CEMEX USA Benefits and Well-Being page. (https://www.cemexusa.com/careers/life-at- cemex/benefits-well-being).

The expected base compensation for this position ranges from $85400.00 to $108700.00 depending on, but not limited to, market location, job-related knowledge, skill sets, experience, and education