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Junior Analytical Chemist / Application Scientist: Gas Chromatography-Mass Spectrometry (GC-MS)

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Entech Instruments

Simi Valley, CA (In Person)

Full-Time

Posted 4 weeks ago (Updated 3 weeks ago) • Actively hiring

Expires 5/28/2026

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Job Description

Job description Junior Analytical Chemist /
Application Scientist:
Gas Chromatography-Mass Spectrometry (GC-MS) Entech Instruments Inc. - Simi Valley, CA Entech Instruments Inc., a California-based analytical instrumentation company, is seeking an individual experienced with developing GC-MS applications with a particular history of using sample preparation and introduction techniques such as SPME, SBSE, SPE, or dynamic headspace for a variety of matrices, including water, soil, pharmaceuticals, packaging, and food & beverage. Entech's recently introduced technology, VASE (Vacuum Assisted Sorbent Extraction), aims to revolutionize the GC-MS research and testing industry by enabling solvent-free exhaustive extractions of volatile and semi-volatile compounds in a rapidly growing number of sample types and matrices while improving sensitivity and reproducibility. The successful candidate will participate in a team focused on new product and application development for multiple industry verticals and will have the opportunity to be involved with R D, application note development, customer application support, journal publications, and presenting findings in both oral and poster presentations at conferences and trade shows worldwide.
Responsibilities :
  • Developing and validating analytical methods for quantification of small-molecule organic compounds for applications such as water analysis, flavors & aromas, food safety, cannabis, clinical biomarkers, pharmaceuticals, odorants and others.
  • Thoroughly documenting analytical procedures and building best practices for sample preparation and instrument parameters.
  • Compiling data, performing analysis, and developing conclusions supported by data.
  • Authoring application notes and assisting marketing teams with publishing data to web site.
  • Assisting with research and development.
  • Analyzing customer samples and supporting customer applications.
  • Troubleshooting analytical instrumentation as needed.
  • Some travel to shows and conferences to present research and posters.
Requirements :
  • Must be enthusiastic about new product development and willing to participate in rigorous experimentation with short production timelines.
  • 3+ years working with extraction technologies such as SPME, SBSE, SPE, Purge & Trap, SOXLET, Quechers, Dynamic Headspace and other sample preparation techniques.
  • Experience with Agilent, Thermo, or Shimadzu GC-MS systems.
  • Excellent communication skills in English, both oral and written for technical documentation, reporting of experimental results, and oral presentations.
  • Must be able to present technical concepts and simulated or experimental results.
  • Degree in chemistry or related field.
Educational profile should include:
Gas Chromatography, Mass Spectrometry, Mass Spectrometer Instrumentation, Chemistry, Chemical Engineering, Applied Chemistry, Applied Physics Salary Range DOE 401k
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