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GC-MS Quality Analyst in a cosmetics manufacturing company works in the

QC (Quality Control) laboratory and uses GC/GC-MS to verify that cosmetic raw materials and finished products meet quality, safety, and specification requirements

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Main job responsibilities
Analyze raw materials such as fragrances, essential oils, solvents, emollients, preservatives, and other volatile ingredients using GC/GC-MS.
Test finished cosmetic products such as perfumes, deodorants, creams, lotions, shampoos, hair products, etc., where GC-MS is applicable.
Perform identification and quantification of fragrance components and volatile compounds.
Check impurities and unwanted volatile substances

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Perform residual solvent analysis when applicable.
Prepare samples, standards, solvents, and reagents accurately.
Operate and maintain

GC-MS and GC instruments

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Perform system suitability

, calibration checks, and instrument performance checks.
Review chromatograms, mass spectra, integration, calculations, and analytical results.
Compare results against approved specifications and test methods

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Investigate





OOS/OOT results and assist with root-cause investigations.
Follow

GMP, GLP, SOPs, safety procedures, and data-integrity requirements

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Maintain laboratory records, instrument logbooks, worksheets, and analytical reports.
Assist with method development, method validation/verification, and method transfer

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Coordinate with

QA, Production, R&D;, and other QC sections

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Support audits and regulatory/customer requirements.

Skills you should know
GC-MS principle and instrumentation
GC column selection and temperature programming
Carrier gases and gas-flow control
Injector types and injection techniques
Mass spectrometer basics
EI ionization and mass spectra
SIM and scan modes
Retention time and peak identification
Internal standard/external standard concepts
Calibration and system suitability
Chromatogram interpretation
GC-MS troubleshooting
GMP/GLP and valuable documentation practices
OOS/OOT investigation
Method validation

📌 Quality Analyst Gc Ms Jhajjar
🏢 Bo International
📍 Jhajjar