INTERNSHIP DETAILS

Harvest Winemaking Intern

CompanyDuckhorn Wine Company
LocationSan Luis Obispo
Work ModeOn Site
PostedMarch 20, 2026
Internship Information
Core Responsibilities
This role assists the winemaking team with monitoring fermentations, tracking wine movements, and managing data throughout the harvest season. Essential duties include sampling tanks, maintaining tracking software, processing weigh tags, and conducting grape maturity analysis in a lab setting.
Internship Type
seasonal part time
Salary Range
$22 - $23
Company Size
391
Visa Sponsorship
No
Language
English
Working Hours
40 hours
Apply Now →

You'll be redirected to
the company's application page

About The Company
By following this page, you represent that you are over the age of 21. © The Duckhorn Portfolio, St. Helena, CA. Please enjoy our wines responsibly. The Duckhorn Portfolio is North America’s premier luxury wine company, with eleven wineries, ten state-of-the-art winemaking facilities, five tasting rooms and over 2,200 coveted acres of vineyards spanning 37 Estate properties. Established in 1976, when vintners Dan and Margaret Duckhorn founded Napa Valley’s Duckhorn Vineyards, today, our portfolio features some of North America’s most revered wineries, including Duckhorn Vineyards, Decoy, Kosta Browne, Sonoma-Cutrer, Goldeneye, Calera, Greenwing, Paraduxx, Migration, Canvasback and Postmark. Sourcing grapes from our own Estate vineyards and fine growers in Napa Valley, Sonoma County, Anderson Valley, California’s North and Central coasts, Oregon and Washington State, we offer a curated and comprehensive portfolio of acclaimed luxury wines with price points ranging from $20 to $230 across more than 15 varietals. Our wines are available throughout the United States, on five continents, and in more than 50 countries around the world.
About the Role

Job Summary:

This position will assist The Duckhorn Portfolio’s Central Coast Winemaking team with fermentation monitoring, wine tracking, and data management during the 2026 harvest season. This is a unique opportunity to work with premiere vineyards and custom crush facilities throughout California’s Central Coast. The multi-faceted nature of this position allows for many learning opportunities over the course of harvest. Our ideal candidate must be detail-oriented, a self-starter with a strong work ethic and excellent communication skills. The estimated time frame for this position is August 24th through November 13th.


Essential Duties and Responsibilities:

  1. Track fermentations and pull samples from tanks.
  2. Maintain wine tracking software and winemaking spreadsheets.
  3. Process all weigh tags into winemaking software.
  4. Manage all grape maturity analysis (Brix, pH and TA) in basic laboratory setting and accurately record all data before sending out daily maturity reports.
  5. Evaluate grape loads as they arrive at custom crush winery locations, as needed.
  6. Support Winemaker and Viticulturist with logistics and special projects, as needed.
  7. Sampling vineyards in San Luis Obispo and Santa Barbara Counties, as needed.

 

Safety:

Everyone at The Duckhorn Portfolio has a role in making sure our workplaces are safe and is responsible for understanding and practicing all safety procedures. We value safe work practices and encourage open communication to ensure a strong safety culture. Each employee is expected to:

  1. Maintain a safe, professional, orderly, and clean working environment; tidy up work areas throughout shift/workday.
  2. Train staff on safety policies and guidelines for personal and guest safety. 
  3. Follow all safety policies and procedures for the department as well as general safety protocols. 
  4. Participate in safety training in person or online.
  5. Wear all the required personal protective equipment (PPE).
  6. Practice good environmental practices across the site. 
  7. Promptly communicate all safety near misses, injuries, and safety concerns to management.
  8. This position may involve exposure to loud noise, dust, molds, fumes and/or chemicals. Proper safety training and equipment will be provided.

 

Position Specifications:

  • Excellent organizational and time management skills
  • Positive attitude and willingness to learn 
  • Ability to work independently and stay on task
  • Computer skills, including Excel and Winery Software experience preferred
  • Valid California driver’s license and clean driving record
  • Viticulture or Enology coursework or degree preferred
Key Skills
Fermentation MonitoringWine TrackingData ManagementDetail-OrientedSelf-StarterWork EthicCommunication SkillsLaboratory AnalysisBrixpHTAExcelWinery SoftwareDriving
Categories
AgricultureScience & ResearchFood & BeverageAdministrative