Seasonal Lab Technician - Jackson Family Wines (Skylane)

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This is a Harvest position at the Skylane Cellars laboratory.  The individual in this position will be responsible for performing routine wine chemistry analyses in an accurate and timely manner and in accordance with good lab practice.  Candidates for this position should have knowledge of chemistry, winery terminology, and wine production. 


  • Sampling of barrels and tanks for lab analysis
  • Use of densitometer for measuring specific gravity, brix and temperature
  • Sampling for enzymatic analysis to monitor fermentations                           
  • Analysis of free sulfur dioxide by aeration-oxidation titration
  • Analysis of total sulfur dioxide by Ripper titration
  • Analysis of pH by probe
  • Analysis of ethanol by near infrared
  • Analysis of titratable acidity and pH by automatic titration
  • Analysis of turbidity by turbidity meter
  • Analysis of volatile acidity by Cash still distillation
  • Entry of analytical results into database
  • Preparation of next day paperwork for sampling and recording data
  • Other duties as assigned 



Qualified candidates preferably have a BS or BA in Microbiology, Food Science, Biology, Chemistry, Enology, or a related degree. The candidate should possess spoken and written English skills, must be detail-oriented, and computer literate (Word, Excel, and database systems); Spanish language skills are a plus, but not required.  Prior production experience in a wine lab environment is a plus.  Requires work schedule flexibility. 


This position requires continuous standing throughout the shift for operating and moving throughout the laboratory. Occasionally requires to reach with hands and arms, fine manipulation, sit, walk to perform daily checks and calibrations for safety equipment and laboratory instrumentation, participate in maintaining the cleanliness and organization of the laboratory, assist in routine preventative maintenance on laboratory equipment, effectively perform routine laboratory analyses, assist with routine wine trials as requested by winemaking, prepare samples and standardize reagents and enter analytical results into the database. It occasionally requires the ability to climb, stoop, kneel, crouch, crawl, lift and move up to 35 pounds of weight when obtaining samples from barrels and tanks, performing inspection on packaging materials and packaging audits.

Candidate must successfully complete an application.

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