Rayan Jarjes

Experienced Chemist and Quality Assurance professional with 10+ years of laboratory, biotechnology, cosmetics, pharmaceutical, nutraceutical, medical-device, and manufacturing experience. Strong background in analytical chemistry, QC/QA, GMP/cGMP, GLP, laboratory testing, stability studies, SOPs, OOS investigations, technical documentation, and process improvement. Returning to the workforce with a strong commitment to reliability, quality, safety, and professional growth.

Chemist - Marlyn Nutraceutical Inc. - Tempe, Arizona

(2018-10 - 2019-06)

• Prepared chemical reagents, buffers, standards, and laboratory solutions.
• Tested raw materials, in-process samples, and finished products according to established SOPs.
• Performed analytical testing in GMP/GLP laboratory environments and accurately documented results.
• Assisted with OOS investigations and quality-improvement activities.
• Operated UV/Vis, FT-IR, Karl Fischer, pH meters, dissolution testers, viscometers, centrifuges, and analytical balances.

Chemist - Syntron Bio Research - United States

(2016-08 - 2018-10)

• Prepared laboratory buffers, reagents, standards, and samples for analysis.
• Performed analytical testing and product characterization.
• Maintained SOPs, laboratory records, and validation documentation.
• Supported manufacturing investigations and quality-related activities.

QA Technician - Clarity Design Inc. - United States

(2015-10 - 2016-08)

• Inspected electronic medical devices for quality and compliance.
• Documented inspection results and verified products against established specifications and procedures.
• Supported continuous quality and process-improvement activities.

Chemist - Hamol Company for Cosmetics - Syria

(2008-04 - 2012-08)

• Performed quality-control testing of cosmetic raw materials and finished products.
• Conducted GC, FT-IR, Karl Fischer, pH, and viscosity analyses.
• Assisted with product formulation and stability studies.
• Maintained GMP laboratory records and supported manufacturing and quality-control operations.

Chemist - Oubari Pharmaceutical Company - Aleppo, Syria

(2006-03 - 2008-04)

• Performed pharmaceutical quality-control testing.
• Prepared reagents, standards, buffers, and samples for laboratory analysis.
• Conducted assay, dissolution, disintegration, and stability testing.
• Operated UV/Vis, FT-IR, GC, and analytical balances.
• Maintained accurate GMP/GLP laboratory documentation.

Bachelor of Science - Chemistry - University of Mosul, College of Science (1997)