09 Dec
Assistant Viticulturist
Treasury Wine Estates

Treasury Wine Estates, a global organization traded on the Australian Stock Exchange, is the largest pure play wine company in the world. From the establishment of Australia's Penfolds in the mid 1840's to the 1876 founding of Beringer Vineyards we have the portfolio of heritage brands that created the wine industry in the new world. We are proud of our wines and recognize the responsibility that comes with protecting our brands and their heritage, while maintaining a deep intrinsic link to agriculture. Our portfolio includes delectable wines for every palate and price point including Chateau St. Jean, Etude, Stags' Leap, Lindeman's, and Gabbiano. As the leader in the luxury category we have more 90+ point wines than any other supplier. We're a company of individuals who are passionate about wine and no matter what corner of the earth our wines come from, whatever their vintage, we're intensely proud of the people who bring the brands to life.

Key Responsibilities:

  • Monitor company vineyards throughout growing season and dormancy. Create vineyard reports based on findings, typically using vineyard oriented software.
  • Assist with the implement, monitor and provide feedback on vineyard enhancement programs in alignment with the technical viticulture framework.
  • Assist with technical viticultural support/training/extension to company vineyards.
  • Perform crop estimates at multiple phenological stages for company vineyards and growers, as needed, including advanced statistically valid methods and bud dissection. Maintain production estimates and records in WIM and/or Viticulture databases.
  • Conduct project work in areas as directed by Regional Technical Viticulturist.
  • Collect petiole samples and assist in analysis of results.
  • Conduct pest and disease severity assessments and assist with control recommendations.
  • Knowledge of vineyard chemicals, pesticides and fertilizers and be able to contribute to recommendations based on sound IPM methodology and sustainable principles.
  • Maintain working relationships with Managers, Assistant Managers/Foreman, becoming familiar with the geography, farming methods and field observations associated with both TWE and grower vineyards.
  • Assist with the implementation and maintenance of viticultural database tools.
  • Maintain and update existing vineyard data in viticultural databases, WIM, spreadsheets, charts and other repositories. Develop new and improved methods of data organization and visualization as needed.
  • Liaise and collaborate with approved external regional research and development projects. Attend Industry workshops and relevant viticultural seminars.
  • Working knowledge of basic statistical techniques and experimental methods to drive insightful data collection and analysis from investigative and experimental work.
  • Create and update vineyard maps using industry standard GPS/GIS software and ensure validity of map data across TWE systems.
  • Ability to identify variety, water status, pest and disease condition in the field using visual cues.
  • Assist as needed in irrigation management including plant water stress monitoring with pressure bomb, visual cues and advanced techniques. Maintain pressure bombs and weather stations.
  • Act as contact for viticultural consultants, contractors, university and research organizations as required.
  • Responsibility for hiring, supervision, direction and management of Viticultural Interns and Maturity Samplers. Working with Regional Viticulturists and Grower Relations to coordinate harvest coverage of internal and external vineyards.
  • Conduct fruit maturity sampling and lab analysis (Brix°, pH, TA) to determine harvest timing. Other lab experience and microscopy a bonus.
  • Work with and contribute to WIM to record and recall maturity, harvest, and specific vineyard data as needed.
  • Participate in grape and wine quality grading using objective sensory techniques and analysis.
  • Assist in seasonal vineyard reviews and tastings.
  • Assist in preparation for annual Farm Planning and budgeting cycle.
  • Ability to handle multiple projects and priorities while working in a fast-paced environment.


  • B.S. degree or greater in Viticulture/Horticulture/Agriculture/Enology or related discipline
  • A clean CA driver's license.
  • General knowledge of regional viticultural cultural practices, pest issues, needs and opportunities.
  • Computer skills including MS Office, and practical competence with agriculture oriented computer applications.
  • Exposure to and/or experience with GIS software and techniques
  • Have a rudimentary understanding of winemaking to assist with understanding winegrowing goals and fruit/wine quality grading.
  • Ability to work overtime (extended hours and weekends) as required.
  • Ability to understand any and all safety requirements.
  • Experience in luxury brand and industry-wide oriented viticulture, or similar operational discipline for a minimum of 2 seasons.

The position requires working outside in all weather conditions, exposure to extreme heat and cold in some cases.

Physical Demands
While performing the duties of this job,

  • The employee is required to sit, use hands to finger, handle, or feel; reach with hands and arms; and talk or hear.
  • The employee frequently is required to stand and walk.
  • The employee is required to climb or balance and stoop, kneel, or crouch.
  • The employee must regularly lift and/or move up to 10 pounds and rarely lift and/or move up to 45 pounds.
  • Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus.
  • Must have normal night vision and be able to navigate in the dark.
  • Complete mobility (walking, bending, and stretching) in the vineyard on uneven terrain.
  • Office related tasks include sitting at a desk, using computer based technology.
  • Extensive driving required between ranches


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