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Specialty Gases Laboratory Technician (Chemist)

A-OX Welding Supply Co. Inc.

sioux falls, SD US

Posted/Updated: Today

Job Description

This role plays a critical part in the Specialty Gas Division by safely filling, analyzing, and verifying the quality of compressed gases. It combines hands-on cylinder preparation with advanced analytical work, ensuring every product meets stringent industry, regulatory, and customer specifications.

Essential Job Duties

Cylinder Preparation & Gas Production

  • Prepare compressed gas cylinders for filling, including inspection, cleaning, and setup.
  • Fill pure and mixed gases using both manual and automated blend cell systems.
  • Follow all A-OX procedures for cylinder filling, gas analysis, and workplace safety.
  • Maintain accurate and complete production documentation.

Gas Analysis & Quality Assurance

  • Perform daily analyses of food-grade, medical, and specialty gases to ensure compliance with required specifications.
  • Operate and maintain gas chromatographs equipped with TCD, DID, and FID detectors.
  • Interpret analytical results, troubleshoot abnormalities, and ensure proper calibration and instrument performance.
  • Record, submit, and archive all analytical data and quality records.

Minimum Qualifications

  • Bachelor of Science in Chemistry or equivalent experience in analytical laboratory work.
  • Hands-on experience with analytical instrumentation, preferably gas chromatography.
  • Ability to routinely lift 25–75 pounds.
  • Ability to stand for extended periods (up to 8 hours).
  • Frequent bending, stooping, crouching, reaching, grasping, and repetitive motion required.
  • Ability to work independently, manage multiple tasks, and perform effectively under deadline pressure.
  • Must be able to wear all required personal protective equipment (PPE).