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Quality Control Operations
Fully On-Site
Quality Control Operator (men only)
Tlalnepantla | Full Time
Start Date:
Immediate
Are you ready to take on new challenges in a dynamic, international, and innovation-driven environment where you can truly make an impact?
Your position
As a
Quality Control Operator
, you will report directly to the
Quality Control Line Leader
and play a key role in ensuring that raw materials and finished products comply with RHI Magnesita quality standards.
You will also contribute to process stability and customer satisfaction by ensuring reliable laboratory results and timely quality decisions.
You will:
Perform quality control testing for raw materials and finished products according to established procedures and specifications.
Execute release testing within the required turnaround times.
Collect production samples from designated sampling locations.
Prepare samples for laboratory analysis, including cutting, grinding, drying, or other required preparation.
Register laboratory samples and test results in SAP accurately and on time.
Maintain laboratory records, logbooks, and quality documentation.
Report laboratory results promptly and immediately communicate any abnormal or out-of-specification conditions.
Re-sample materials when required.
Label production materials according to their quality status (Released, Quarantine, Rejected).
Maintain laboratory supplies, consumables, and sampling containers.
Perform daily, weekly, and monthly laboratory housekeeping (5S).
Participate in Layered Process Audits (LPA).
Develop, review, and update Standard Operating Procedures (SOPs).
Perform statistical analysis of raw material and finished product properties to identify trends and support process improvement.




Ensure laboratory equipment is used correctly and report any malfunction or calibration issues.
Ensure compliance with Quality, Safety, Environmental, and company policies.
Your profile
RHI Magnesita is seeking a proactive and detail-oriented Quality Control Operator with strong analytical skills and a commitment to quality, safety, and continuous improvement.
The selected candidate will ensure laboratory testing is performed accurately, efficiently, and in compliance with company standards.
Education and Professional Background:
Technical Degree or Bachelor's Degree in Chemical Engineering, Materials Engineering, Industrial Engineering, Chemistry, or a related field.
1–2 years of experience in Quality Control, Laboratory Operations, or a manufacturing environment is preferred.
Experience working with laboratory equipment and testing procedures is desirable.
Technical and Core Competencies
SAP QM
Microsoft Office (Excel, Word, Outlook, PowerPoint)
Laboratory testing methods
Statistical Process Control (SPC)
Quality Management Systems (ISO ****)
Attention to Detail
Teamwork
Communication Skills
Time Management
Attention to Safety
Data Accuracy
Key Performance Indicators (KPIs)
On-time completion of release testing
Laboratory turnaround time
Accuracy of SAP data entry
LPA compliance score
Number of testing deviations
On-time reporting of laboratory results
Documentation accuracy
Sample traceability compliance
Number of tests completed per shift




Compliance with laboratory safety requirements
Authority
Hold materials pending quality disposition.
Identify and report non-conforming materials.
Request material re-sampling when required.
Assign quality status labels according to approved procedures.
Escalate critical quality issues to the Quality Control Line Leader.
Recommend withholding product release when quality requirements are not met, according to the established quality procedures.
Our offer
A
competitive salary
package that reflects your qualifications, experience, and current market standards.
Flat hierarchies
and
short decision-making
processes.
Various
social benefits
, including
Major Medical Insurance, Vacations premium above the law and Savings Fund.
Access to
continuous learning
and
development
through RHIM Academy LMS, the full LinkedIn Learning catalog, and Internal Mentoring Program.
At RHI Magnesita, everyone is welcome!
We embrace diversity in all forms and evaluate applications solely based on qualifications and experience.
If you share our passion for shaping tomorrow's world, we'd love to hear from you, even if you don't meet all the requirements.
We also actively encourage individuals with disabilities to submit their application.
About RHI Magnesita
As the general leader in refractories, we supply advanced products, technologies and services essential for high-temperature industrial processes in sectors such as steel, cement, and glass.
With around 20,000 employees and production sites across the globe, we are committed to fostering innovation, sustainability, and market leadership.
By leading the industry in reducing emissions and supporting our customers' transitions to greener solutions, we are shaping tomorrow's world.
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📌 Quality Control Operations (Tlalnepantla de Baz)
🏢 Rhi Magnesita
📍 Tlalnepantla de Baz