QA/QC Analyst: Limestone & Calcination Quality

Private Advertiser; San Ildefonso; On-site; PHP 350,000 - 550,000; Full time

Job summary

Private Advertiser in the Philippines is seeking a QA/QC Analyst to oversee chemical and physical integrity of limestone products from raw material inspection through final delivery. The role requires a degree in Chemistry or related field, and 3–5 years of laboratory experience with proficiency in wet chemistry and instrumental analysis.

Experience with XRF/XRD is a plus. Strong attention to detail, safety discipline, and ability to communicate technical data for production teams are essential.

Qualifications

• Bachelor’s degree in Chemistry, Chemical Engineering, Metallurgy, or related science.
• Active professional license (Registered Chemist or Chemical Engineer) preferred.
• 3–5 years of laboratory experience in cement, lime, mining, or heavy mineral manufacturing.
• Proficiency in wet chemistry, titration, and instrumental analysis; XRF/XRD is an advantage.
• Knowledge of limestone geology, calcination chemistry, and physical properties of industrial minerals.
• Experience with muffle furnaces, balances, titration equipment, and automated sieving.

Responsibilities

• Inspect, sample, and evaluate incoming raw limestone against standards.
• Monitor quality of quicklime after calcination for burning efficiency.
• Perform wet chemistry, titration, and instrumental analysis.
• Test samples for carbonate contents and moisture.
• Maintain lab safety, documentation, and equipment.
• Coordinate with Production Manager on quality trends and delivery schedules.

Skills

Attention to detail

Verbal communication

Written communication

Excel

Lab instrumentation

Education

Bachelor’s degree in Chemistry

Tools

XRF

XRD

Muffle furnace

Analytical balance

Titration setup

Automated sieving

Job description

Private Advertiser in the Philippines is seeking a QA/QC Analyst to oversee chemical and physical integrity of limestone products from raw material inspection through final delivery. The role requires a degree in Chemistry or related field, and 3–5 years of laboratory experience with proficiency in wet chemistry and instrumental analysis.

Experience with XRF/XRD is a plus. Strong attention to detail, safety discipline, and ability to communicate technical data for production teams are essential.