Mass Spec Analytical Chemistry Scientist
Posted 5 Aug 2026
Advertised as “LC Mass Spec Analytical Chemistry Scientist”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 5+ yrs
- Management level
- Individual contributor
No salary listed for this role.
Field of studyChemistry
Study levelMaster's or higher
Certified Group is committed to partnering with customers to deliver innovative scientific solutions and expertise – So The World Can Trust In What It Consumes™. Our network of 30+ North American and European laboratories serves the food & beverage, dietary supplements, cosmetics, OTC, tobacco/nicotine, cannabis, and hemp industries.
Our Brands
Certified Group is comprised of a set of specialized brands that collectively deliver laboratory testing, regulatory consulting, and certification & audit services across highly regulated industries:
- Certified Laboratories – Provides comprehensive analytical and microbiological testing, primarily supporting food, beverage, cosmetics, OTC, and dietary supplement industries.
- Food Safety Net Services (FSNS) – A leading network of ISO-accredited laboratories across North America, focused on food safety testing, operational support, and technical services for the food industry.
- Labstat – A global leader in contract research and testing for nicotine, tobacco, cannabis, hemp, and next-generation products, with deep expertise in analytical chemistry and toxicology.
- EAS Consulting Group – A regulatory consulting firm offering expert guidance, training, and auditing support across FDA, USDA, and other regulated sectors, powered by a large network of independent advisors.
- FSNS Certification & Audit – Provides accredited third-party auditing and certification services, including food safety, animal welfare, and GMP programs.
Job Summary:
The Scientist will serve as a technical leader and subject matter expert responsible for high-complexity analytical testing in support of an FDA proposal. The role requires extensive hands-on experience operating, maintaining, and troubleshooting advanced chromatography and mass spectrometry instrumentation, including LC-qTOF platforms
Essential Responsibilities:
- Preparation of test samples for analysis including forced degradation and stability testing
- Independently operate, maintain, and troubleshoot analytical systems.
- Perform routine and advanced instrument maintenance, including column replacement, and performance verification.
- Diagnose complex instrument and method performance issues and implement corrective actions to minimize downtime.
- Serve as a technical resource for instrument performance, repairs, vendor interactions, and troubleshooting support.
- Maintain accurate and complete technical records.
- Evaluate and trend QA/QC metrics, including internal standards, surrogates, blanks, laboratory control samples, matrix spikes/matrix spike duplicates, and calibration criteria (where applicable).