Scientist

Tri-Starr Personnel LLC
Tri-Starr Personnel LLC

San Antonio, TX, USA

Posted on Jul 16, 2026

If you're looking to grow your career in analytical chemistry, this is an excellent opportunity to work in a professional laboratory environment using advanced analytical instrumentation and techniques.

You'll gain hands-on experience operating gas and ion chromatographs, performing chemical analyses, calibrating instruments, troubleshooting equipment, and interpreting complex analytical data while collaborating with experienced scientists on meaningful research projects.

Position Summary

  • The Scientist is responsible for performing analytical testing and supporting laboratory research activities through the operation of advanced analytical instrumentation and chemical analysis techniques.
  • This role involves conducting chromatographic analyses, troubleshooting laboratory equipment, interpreting test results, and ensuring accurate documentation while maintaining strict adherence to laboratory safety and quality procedures.
  • The ideal candidate is detail-oriented, self-motivated, and able to thrive in a fast-paced laboratory environment with minimal supervision after training.

Essential Duties and Responsibilities

  • Perform and review analytical testing using chromatographic and other laboratory methods.
  • Operate and maintain laboratory instrumentation, including gas chromatographs (GC), ion chromatographs (IC), and automated switching valve systems.
  • Conduct instrument calibrations and verify analytical accuracy using established calibration techniques.
  • Prepare samples and perform analytical procedures utilizing balances, pipettes, syringes, chemicals, and other laboratory equipment.
  • Set up laboratory analyses, troubleshoot instrumentation and methods, and resolve routine technical issues.
  • Interpret analytical data, review results for accuracy, and prepare laboratory reports using data management software.
  • Assist with chemical experiments and support ongoing laboratory research activities.
  • Work independently after training while consistently meeting productivity and quality expectations.

Minimum Qualifications

  • Bachelor's degree in Chemistry required.
  • Minimum of one (1) year of laboratory experience in a chemistry environment.
  • Strong foundation in chemistry, mathematics, and scientific principles.
  • Experience with gas chromatography, ion chromatography, and/or wet chemistry is preferred.
  • Ability to work second shift and occasional weekends as required.