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Lab Technician

Req ID: 3764 

Department: Winemaking 

Status: Full Time, Non-Exempt 

Location: St. Helena, California (US-CA) 

Job Summary:

To perform analysis of wine and grape components.

Essential Functions:

The following reflects management’s definition of essential functions for this job but does not restrict the tasks that may be assigned.  Management may assign or reassign duties and responsibilities to this job at any time due to reasonable accommodation or other reasons.


  • Sample and perform pH, TA, brix, and nutritional analysis on grape juice and fermenting juice
  • Sample and perform various analyses on bottled wine and wines in storage
  • Perform basic wine analysis using instruments such as gas chromatograph, CO2 analyzer, alcolyzer, pH meter, spectrophotometer, autotitrator and chemistry analyzer.
  • Read and interpret analytical results accurately and efficiently, adhering to strict record keeping policies
  • Work under pressure with multiple requests, deadlines and prioritization of samples
  • Chemical preparation (acids, bases, buffers, reference standards)
  • Responsible for understanding the Food Safety and Quality Management System and related activities, including SQF standards
  • Food Safety Responsibility: Report problems with the food safety system to supervisor
  • Work safely and maintain a clean, organized work station
  • Perform other duties as assigned


  • Education: Bachelor’s degree in the sciences  
  • Related science degree preferred. Courses in enology or familiarity with winemaking and an appreciation of wine a plus
  • Years of Experience:  One or more years in similar position or in an academic lab environment
  • Good interpersonal skills, proven ability to communicate effectively and work well with a team
  • Valid California Driver’s license and clean DMV report

Working Conditions:

  • Moderate physical work with some outdoor exposure
  • Extensive walking and lifting of up to 55 pounds
  • Work site may be any one of Trinchero Family Estates’ facilities
  • Working on various shifts including early morning, swing, and graveyard
  • Long and irregular hours during peak periods
  • Standing for long periods of time (8 hours per day)
  • Comply with all personal protective equipment requirements including lab coat, footwear, ear plugs and safety glasses
  • Exposure to various chemicals, forklifts, machinery and moving parts in lab and production areas

Trinchero Family Estates provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. In addition to federal law requirements, Trinchero Family Estates complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

Nearest Major Market: Napa

Job Segment: Chemical Research, Engineering