CHEMIST SR

Cemex; Riverview (FL); On-site; USD 80,000 - 110,000; Full time

Job summary

Cemex in Riverview, FL is seeking a Senior Chemist/Engineer with strong knowledge of cement and cementitious materials. You will support Cemex operations by improving product performance, diagnosing quality issues, and assisting in manufacturing processes through laboratory work.

The role emphasizes testing using XRF, XRD, microscopy, and laser PSD, with responsibilities including supervising junior staff and mentoring on technical matters.

Qualifications

• Bachelor’s in chemistry, engineering or related field.
• Master or PhD in CEMEX materials areas is ideal.
• Professional Certification: Not required.
• Experience: 6 years required in CEMEX materials, can be reduced with postgraduate studies.

Responsibilities

• Take charge of own safety in the day-to-day activities
• Perform any chemical test to CEMEX materials including XRF, XRD, microscopies, laser PSD etc.
• Supervise physical testing of the above-mentioned materials, which requires good knowledge of the tests.
• Supervise the accuracy of the work of junior staff.
• Train junior staff on CEMEX materials matters

Skills

Analytical

Problem solving

Testing methods

Literature review

Education

Bachelor’s in chemistry, engineering or related field

Master or PhD ideal

Tools

XRF

XRD

Microscopy

Laser PSD

Job description

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Job title: CHEMIST SR

Date: Oct 29, 2026

Location:

Riverview, FL, US, 33569

Job Requisition ID: 63050

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

Must have a very good knowledge of cement, cementitious, raw materials, and or concrete admixtures (CEMEX materials) that will allow him/her to support CEMEX operations in improving the performance of the products, troubleshoot quality problems, improve manufacturing process, and investigate CEMEX materials to develop improved products. The senior Chemist/Engineer will also support technical service managers through laboratory work to solve field related issues.

Job Responsibilities

• Take charge of own safety in the day-to-day activities
• Perform any chemical test to CEMEX materials including XRF, XRD, microscopies, laser PSD etc.
• Supervise physical testing of the above-mentioned materials, which requires good knowledge of the tests.
• Supervise the accuracy of the work of junior staff.
• Train junior staff on CEMEX materials matters

Qualifications

Bachelor’s in chemistry, engineering or related fieldMaster or PhD in any CEMEX materials areas is idealProfessional Certification: Not requiredExperience:

• 6 years required in CEMEX materials
• Can be reduced if post graduate studies in the area

Knowledge, Skills, and Abilities

• Specialized knowledge: CEMEX materials, their manufacturing process, chemistry, and performance.

Skills:

• Analytical
• To promote solvency on complex problems
• To develop new testing methods
• To research literature on relevant matter
• To set up new, complex equipment and develop testing procedures on that equipment

Abilities:

• Promotes teamwork
• Communicates with other CEMEX labs or scientific institutions
• Creates and corrects reports in timely manner
• Mentors and teaches other CTC staff
• Can represent CTC in outside meetings
• Can direct the work of exempt employees
• Can interact with CEMEX directors with no supervision

Working Conditions

Mostly indoors, in temperature-controlled environment.

Physical Requirements

• Requires walking, sitting, lifting
• 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 with customers

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).