Quantometer Operator



United States, Alabama, Muscle Shoals

Remote Position: 


December 4th, 2023



Job Summary:

The Quantometer Operator conducts spectrochemical analyses which directly impact productivity and ingot quality.  Performs analytical functions independently, with full responsibility for shift.  Makes decisions with limited supervision, especially on off-shifts.  Calibrates, standardizes, and maintains instruments. Coordinates ingot identification, electronic chemistry records, ingot chemistry releases, metallurgical tests, computer-related tasks.  Supports water process control for casting units. Trains new personnel and aids Analytical Chemist in preparing samples for Wet Analyses. Assures laboratory is covered at all times.



  • Decides disposition of all Cast House production ingots based on internal operating limits and confers non-conforming ingots for further testing.
  • Insures transmission of analytical data to appropriate shop floor systems.
  • Insures all electronic data files contain correct data from analyses and dispositions.
  • Reviews drop samples and special analyses in relation to internal operating limits to determine reliability and acceptability of spectrochemical analyses.
  • Releases ingots, or prepares for other disposition based on wet analytical analyses.
  • Prepares samples for analysis by Analytical Chemist.
  • Coordinates the Cast House Ingot Identification System.
  • Maintains handwritten and electronic current listing of cast number series and assigns cast numbers to production ingots.
  • Performs drop number assignments electronically to Cast House furnaces for charge calculation/production records.
  • Assigns cast numbers to individual drops for approved ingot conversions and executes electronic conversions to update databases in Ingot Inventory.
  • Coordinates the retention and storage of ingot chemistry files and samples.
  • Transfers all analytical data from quantometer to Cast House automation system and monitors transfer completion.
  • Reviews and updates permanent analytical storage and ingot disposition files; initiates hardcopy reports including hardcopies of electronic furnace chemistry logbooks for laboratory reference.
  • Calibrates, standardizes and maintains analytical equipment.
  • Performs regression analyses to establish analytical working curves.
  • Selects appropriate certified metal reference materials for quantometer calibration and standardization.
  • Troubleshoots instruments to determine problem areas.
  • Takes appropriate action.        
  • Conducts metallurgical testing for casting support.
  • Collects and analyzes bi-gas flux mixture for key components on timely basis.
  • Interprets analytical information from gas chromatograph and determines integrity of analysis for resampling or more frequent monitoring.
  • Promptly notifies cast house foreman and if needed Cast House maintenance supervision of out of specification limits.
  • Supports water process control by analyzing casting units and monitors argon gas levels on each shift.   
  • Monitors Casting Operation Information systems to observe status of operation and alert Production supervision of issues.  




  • Requires college degree preferably in a technical field and/or equivalent lab experience in spark emission spectroscopy. 
  • A general knowledge of computer operations is required.
  • Must work with independently meticulous attention to detail, must possess good communication skills and follows established health and safety policies and procedures.


About Constellium Muscle Shoals   

Constellium Muscle Shoals is a major aluminum sheet supplier for the packaging and automotive markets. The plant has ~1,200 employees and more than 100 acres under room, including five casting units, hot and cold rolling mills, and a slitting and finishing center. Muscle Shoals produces aluminum sheet for use in all three components of beverage cans (body stock, coated end stock, tab stock) and has the capacity to produce over 1 billion pounds per year of finished aluminum coils. The plant also produces aluminum automotive coils to be processed at our CALP line in Bowling Green, Kentucky. Muscle Shoals’ world-class recycling center is able to recycle the equivalent of 20 billion aluminum cans per year.   

Constellium is an Equal Opportunity Employer: Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law.