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Quality Assurance Technician

Location: Geyserville, California

Job Summary: The Quality Assurance Technician fills an important role at the winery as they ensure that bottled or canned wine is going to market within the specifications set by the winery and its customers. Their physical and analytical checks are essential to the product quality and product safety once the wine leaves the winery. In addition to in-process evaluations QA Technicians pre-check materials, perform essential microbiological plating, and positively contribute to the bottling line team.


Reasonable Accommodations Statement: To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. Reasonable accommodations may be made to enable qualified individuals with disabilities to perform the essential functions.


Safety Statement: All employees shall follow safe practices according to the injury and illness Prevention Policy (IIPP), render every possible aid to safe operations, and report all unsafe conditions or practices immediately to any management employee or People Operations.


Essential Duties and Responsibilities 

40% Bottling Line Production QA:

  • Perform routine line checks using a variety of methods, including visual inspection of the line, using lab equipment, and inspecting packaging.
  • Perform pre-acceptance inspection of corks, labels, glass, capsules, cartons, cans, etc.
  • Prepare the applicable written forms, equipment checks, and wine quality checks to ensure smooth start-up of the production line.
  • Attend bottling and production meetings with cellar and bottling supervisors and warehouse.
  • Assures quality control guidelines are met by bottling line performance. Notifies appropriate personnel when issues arise.
  • Helps to follow through on corrective actions and product non-conformance reports.

45% Pre/Post Bottling QA:

  • Performs quality testing of bottling component materials such as glass, closures, labels and capsules.
  • Assist purchasing department with trials for product improvement and development of new packages.
  • Conducts microbiological plating of bottled product and recordkeeping of results.
  • Maintains, calibrates and troubleshoots laboratory instruments for QA.
  • Contributes to the general housekeeping of the laboratory.
  • Conducts inspections on “hold” materials or finished product. Responsible for recordkeeping of non-conforming product or materials.

10% Support:

  • Assists purchasing and custom client winemaker with packaging trials or data collection.
  • Assists in food safety audit preparation, including writing procedures, training, and document organization.
  • May assist in winemaking lab during the harvest season or as needed throughout the year.

5% Travel:

  • Travels to offsite facilities to oversee quality control of wine production, both bottling or warehouse locations.

Job Requirements


  • Associate’s degree in science or other technical or physical science preferred.
  • At minimum, high school diploma or equivalent is required.
  • 1-year experience at a quality control lab at a winery or related industry preferred.
  • Experience with chemicals, microbiology, food safety audits and related procedures preferred.
  • Experience in the wine industry a plus.

Knowledge, Skills & Abilities:  

  • Required proficiency in computer and typing skills including email, Microsoft Word, and Microsoft Excel.
  • Excellent collaboration and teamwork skills; able to contribute to a positive work environment by behaving and communicating in a constructive manner with clients, customers, co-workers and management.
  • Self-motivated and able to perform bottling analyses in an accurate and timely manner.
  • Excellent attention to detail and problem solving skills.
  • Excellent communication skills; both verbal and written.
  • Good multi-tasking and people skills for working in a dynamic, fast-paced environment.
  • Proficiency in math, including addition, subtraction, multiplication and division.


  • Ability to rotate through various work schedules to include early morning or swing shift.
  • Responsible for learning, adhering to, and enforcing department and company policies and procedures, including safety.
  • Occasionally required to lift 50 pounds.
  • Ability to work varying shifts and overtime.


Physical Demands:

N (Not Applicable)-Activity is not applicable to this occupation.

O (Occasionally)-Occupation requires this activity up to 33% of the time (0-2.5 + hrs/day)

F (Frequently)-Occupation requires this activity from 33% - 66% of the time (2.5-5.5 + hrs/day)

C (Constantly)-Occupation requires this activity more than 66% of the time (5.5 + hrs/day)


Stand-F, Walk-F, Sit-O, Handling/Fingering-F, Reaching Outward-F, Reaching Above Shoulder-F, Climb-O, Crawl-O, Squat or Kneel-O, Bend-O, Working at the Computer-O






Other Physical Requirements

10 lbs or Less



12 lbs or Less



Vision (Near, Distance)

11 lbs to 20 lbs



13 lbs to 25 lbs



Sense of Sound (i.e. Machinery/Tractor Sounds)

21 lbs to 50 lbs



26 lbs to 40 lbs



Sense of Touch

51 lbs to 100 lbs



41 lbs to 100 lbs



Ability to wear Personal Protective Equipment (steel toe boots, safety glasses)


Over 100 lbs



Over 100 lbs




Work Environment:

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.


Posted: May 28, 2021



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