Alexandra Valencia
Bethlehem
Summary
Chemist with extensive laboratory experience in developing and optimizing analytical methods. Strong background in ensuring compliance with regulatory standards, enhancing laboratory efficiency, and maintaining quality control. Proficient in data analysis and utilizing various software to support research and operational needs.
Overview
17
17
years of professional experience
Work History
Chemist
Intertek
Whitehouse
01.2026 - 03.2026
- Trained on CGMP and non-CGMP standards, ensuring adherence to pharmaceutical operations.
- Acquired knowledge of safety and regulatory procedures to maintain compliance.
- Developed understanding of industry-specific guidelines to uphold quality control standards.
Chemist
Intertek
Trexlertown
09.2022 - 01.2026
- Developed and optimized methods using LCMS instruments, including QTOF, TQD, and SQD, to accurately quantify and identify compounds.
- Created analytical methods for different materials in laboratory settings.
- Prepared analytical standards and samples; independently reviewed data and authored comprehensive reports to support research findings.
- Prepared detailed reports documenting experimental procedures and results.
- Coordinated daily laboratory operations, managing sample workload and effectively delegating tasks to ensure timely completion.
- Trained junior staff on laboratory protocols and safety procedures.
- Maintained laboratory instruments through regular calibration and maintenance checks.
- Ensured compliance with SDS for proper storage, usage, and disposal of hazardous chemicals.
Chemist II
Suffolk County Water Authority
Hauppauge
01.2021 - 09.2022
- Executed validation testing for novel analytical methods, improving laboratory capabilities and ensuring reliable results.
- Conducted water testing for perfluorinated alkyl acids using HPLC-MS/MS instruments.
- Evaluated test results to ensure compliance with environmental regulations.
- Monitored and recorded experimental data to support precise compliance reporting and uphold regulatory standards.
- Trained junior staff on laboratory techniques and safety protocols, fostering a culture of safety and competence in the lab.
- Worked with team members in the laboratory to uphold safety standards.
- Prepared chemical solutions and reagents for a variety of experiments.
- Troubleshot instrumentation errors while maintaining equipment cleanliness.
Server
Christopher Michael Catering
Jamesport
06.2009 - 09.2022
- Provided personalized service to enhance guest experience at events and functions.
- Responded promptly to guest inquiries and requests during events.
- Collaborated with kitchen staff to guarantee timely food service and quality.
- Set up dining areas with meticulous attention to detail and presentation standards.
- Organized staff for small events and weddings, ensuring smooth operations.
- Assisted in training new servers on company policies and customer service standards.
Chemist I
Suffolk County Water Authority
Hauppauge
04.2019 - 01.2021
- Tested pharmaceutical and personal care products using HPLC-MS/MS instruments.
- Performed water testing for pesticides with Agilent high performance liquid chromatography.
- Conducted water quality analyses using advanced laboratory techniques and equipment.
- Oversaw sample collection and preparation for routine testing, ensuring adherence to compliance assessments.
- Maintained accurate records of test results and laboratory procedures for regulatory compliance.
- Trained junior chemists on laboratory protocols and safety standards.
- Implemented workflow improvements to enhance laboratory efficiency and accuracy.
Quality Control Chemist I
Contract Pharmacal Corp
Hauppauge
01.2018 - 04.2019
- Utilized high-performance liquid chromatography (HPLC), ultra high-performance liquid chromatography (UHPLC), inductively coupled plasma (ICP-OES), and UV-Vis spectrophotometer for analysis.
- Performed routine quality compliance testing on finished products, ensuring capsules, tablets, and powders met established standards.
- Participated in process validation to ensure adherence to current good manufacturing practice (CGMP).
- Documented test results and maintained accurate records to comply with regulatory standards.
- Trained junior staff on quality testing methods and laboratory safety protocols, enhancing team competency and adherence to standards.
- Oversaw inventory management of volumetric solutions, test solutions, reagents, and indicators to maintain laboratory efficiency.
Quality Control Laboratory Technician
Contract Pharmacal Corp
Hauppauge
01.2017 - 12.2017
- Tested finished products, including capsules, tablets, and powders, using various analytical methods.
- Operated and maintained laboratory equipment to guarantee precise testing results.
- Performed routine laboratory tests to verify product compliance with quality standards.
- Recorded test outcomes and managed documentation for regulatory compliance.
- Worked with team members to optimize laboratory processes and protocols.
Raw Material Administrator
Estée Lauder
Melville
09.2016 - 12.2016
- Reviewed supplier-submitted raw material dossiers to verify adherence to corporate compliance standards.
- Monitored corporate programs and assessed raw material replacement coding to support compliance and operational integrity.
- Managed daily administrative tasks to streamline workflows and support operational efficiency.
Education
BS - Chemistry
University of New Haven
West Haven, CT05-2016
Skills
- LCMS operation
- Method development
- Quality testing
- cGMP compliance
- Instrument calibration
- LIMS
- Mass spectrometry
- OpenLab
- Empower software
- UV WinLab
- Syngestics
- Microsoft Word, PowerPoint, and Excel
- Troubleshooting
- Equipment management
- ISO standards
- Inventory purchasing strategies
- Pharmaceutical industry knowledge
Timeline
Chemist
Intertek
01.2026 - 03.2026
Chemist
Intertek
09.2022 - 01.2026
Chemist II
Suffolk County Water Authority
01.2021 - 09.2022
Chemist I
Suffolk County Water Authority
04.2019 - 01.2021
Quality Control Chemist I
Contract Pharmacal Corp
01.2018 - 04.2019
Quality Control Laboratory Technician
Contract Pharmacal Corp
01.2017 - 12.2017
Raw Material Administrator
Estée Lauder
09.2016 - 12.2016
Server
Christopher Michael Catering
06.2009 - 09.2022
BS - Chemistry
University of New Haven