Quality Control Operator
In this role 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 contribute to process stability and customer satisfaction by ensuring reliable laboratory results and timely quality decisions.
Responsibilities
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.
Support continuous improvement initiatives.
Ensure laboratory equipment is used correctly and report any malfunction or calibration issues.
Ensure compliance with Quality, Safety, Environmental,



and company policies.
Education & 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 & Core Competencies
SAP QM
Microsoft Office (Excel, Word, Outlook, PowerPoint)
Laboratory testing methods Statistical Process Control (SPC)
Quality Management Systems (ISO ****)
Root Cause Analysis
Continuous Improvement
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
5S audit 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.
Must withhold product release when quality requirements are not met, according to the established quality procedures.
Location & Employment
City: Tlalnepantla
Working Model: In‐Office
Employment Type: Full Time
Start Date: Immediate
Benefits
Competitive salary package that reflects your qualifications, experience, and current market standards.
Flat hierarchies and short decision‐making processes.
Social benefits, including Major Medical Insurance, vacation premium above mandatory mand mand mand mand mandatory mand mand mandatory mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand mand
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📌 Quality Control Operations (Tlalnepantla de Baz)
🏢 Rhi Magnesita
📍 Tlalnepantla de Baz