Roxane Djarkasi

• Improved laboratory efficiency by sample processing and implementing quality control measures.
• Inspected laboratory equipment to maintain good working condition for optimal results.
• Prepared reagents, media and solutions to use for laboratory testing and analysis.
• Developed and implemented new protocols to improve accuracy of laboratory results.
• Operated and performed preventative maintenance on laboratory equipment and instruments.
• Collaborated with cross-functional teams to achieve project goals and increase overall productivity.
• Conducted routine maintenance on laboratory equipment, ensuring optimal performance and minimizing downtime.
• Sample preparation processes, reducing turnaround time for analysis results.
• Managed inventory of chemicals and supplies, maintaining an organized workspace that facilitated efficient workflows.
• Adhered to strict deadlines while maintaining high-quality output under pressure, ensuring timely delivery of results to clients.
• Troubleshooting issues with instrumentation to minimize delays in obtaining accurate results.
• Provided technical support to colleagues as needed, sharing expert knowledge in analytical methods and best practices.
• Implemented process improvements based on feedback from team members or clients to enhance service offerings continually.
• Ensured proper handling of hazardous materials according to established guidelines for safe disposal or storage.
• Prepared samples and assisted laboratory personnel in performing qualitative and quantitative analysis using analytical instruments, techniques and methods.
• Cleaned and removed biohazard waste and inventory within laboratory to comply with health and safety regulations.
• Assisted in ordering laboratory supplies and necessities to maintain appropriate level of inventory.
• Performed testing and quality control using approved laboratory procedures and instrumentation.
• Maintained documentation on tests performed in lab.
• Maintained safe, tidy and organized laboratory environment for accurate test results.
• Monitored testing procedures to meet criteria and maintain quality control.

• Monitoring of WWTP systems

• Performing water analyses: COD, PO4, TKN, Ammonia, BOD, etc.

• Conducting microbiological analysis: E. coli, fecal coliforms

• Developing SOPs (Standard Operating Procedures)

• Training and mentoring interns and employees

• Conducting safety inspections and Toolbox Talks

• Acted as supervisor for the wastewater treatment plant and water treatment plant, overseeing daily operations, coordinating maintenance activities, and ensuring compliance with regulatory standards.

• Optimized analytical procedures for metal analysis, resulting in increased efficiency and accuracy of results, crucial for environmental monitoring and compliance.
• Performed HPLC analysis, including ethanol determination in fermented sugarcane, as well as analysis of Vitamins A and C, utilizing advanced chromatographic techniques to ensure precise quantification and quality assessment of products
• Conducted comprehensive nutrient analysis, including fat determination, moisture content, ash content, and water activity, employing a variety of analytical methods to assess nutritional composition and food safety compliance.
• Analyzed water samples for key parameters such as Hardness, Alkalinity, Chloride, pH, Electrical Conductivity (EC), and Turbidity, providing critical insights into water quality and facilitating decision-making for water treatment processes.
• Developed and documented Standard Operating Procedures (SOPs) for laboratory analyses and processes, ensuring consistency, reproducibility, and compliance with regulatory standards.
• Guided students through their academic journey, offering support in research, analysis, and results interpretation.

• Managed inventory of laboratory supplies, reducing waste and optimizing resource allocation.
• Improved accuracy and efficiency in water analysis by implementing standardized procedures for testing parameters.
• Monitored testing procedures to meet criteria and maintain quality control.
• Inspected laboratory equipment to maintain good working condition for optimal results.
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• Managed inventory of laboratory supplies, reducing waste and optimizing resource allocation.
• Inspected laboratory equipment to maintain good working condition for optimal results.
• Monitored testing procedures to meet criteria and maintain quality control.
• Performed testing and quality control using approved laboratory procedures and instrumentation.