Viticulture and Winemaking Intern - Cardinale

Jackson Family Wines•Oakville, CA

30d•$20 - $24•Onsite

About The Position

Jackson Family Wines is hiring a seasonal intern to begin in May 2026 in our Napa Valley Vineyards and follow the grapes into the cellar at Cardinale. This is a great dual opportunity to gain vineyard and cellar experience. We are looking for a motivated team member who is eager to expand on their knowledge of viticulture and cellar winemaking operations.

Requirements

Knowledge of viticulture and related areas including plant and vine physiology.
Knowledge of winemaking process.
Self-motivated with the ability to work independently.
Computer skills, MS Office and database applications.
Detail oriented.
Able to work outdoors in varying weather and terrain conditions.
Able to work flexible and extended hours, which will include weekends.
Able to be in the Napa area full-time May-November, 2026
This position requires continuous walking, climbing, kneeling, crouching, and crawling throughout the shift.
It requires the ability to reach with hands and arms, fine manipulation and to lift up to 50 pounds.
It occasionally includes enclosed spaces, heights, and wearing a respirator.
This candidate must possess a valid driver’s license and clean driving record.
International candidates are welcome.
We use CAEP to obtain international VISAS.
Please apply with a resume and cover letter stating your interest in the position.
This position requires continuous walking, climbing, kneeling, crouching, and crawling throughout the shift for cleaning, sanitizing and sterilizing all winery equipment and facilities.
It requires the ability to reach with hands and arms, fine manipulation and to lift up to 50 pounds for Racking and pumping of juice and wine; moving hoses and equipment and to operate crush pad equipment.
It occasionally include enclosed spaces, heights, and wearing a respirator to make chemical and nutrient additions to juice and wine and to obtain lab samples from tanks and barrels.

Responsibilities

Data collection for yield estimation
Plant tissue and soil sampling
Keeping phenology records
Assist collecting maturity samples
Assist with some day-to-day vineyard activities (Use of Pressure Chamber)
Assist with data entry and analysis ( using Ag Code software)
Assist with vineyard reporting
Red fermentation management – pump overs, rack & returns.
Additions – yeast, acid, nutrients, SO2 including calculations.
The use of all cellar equipment (and most importantly) it’s cleaning & sanitizing.
Barrel work – filling, racking and topping.
Assist the fruit receival and pressing teams.