2026 Harvest Enology Intern - Robert Hall Winery
About The Position
O’Neill Vintners & Distillers was founded in 2004 with a simple idea from our founder, Jeff O’Neill, that great wines should be enjoyed by all. We believe those wines must be of exceptional quality, centered around our core belief that doing the right thing for our employees, consumers, partners, and the planet is key to a sustainable future. As our family-owned business has grown, so has our belief in business as a force for good. We are proud to be an industry leader in sustainability and a Certified B Corporation. We are one of California's largest wineries, with operations in Larkspur, Sonoma, Paso Robles, and Parlier, CA. Our award-winning portfolio of consumer brands includes Line 39, FitVine, Harken Chardonnay, Rabble, Charles Woodson’s Intercept, Robert Hall, Allegro Cellars, Ram’s Gate, Substance, ViNO, 209 Gin, and BrandyLab. Are you fascinated by the science of winemaking and eager to dive into the art and craft behind every bottle? Join the O'Neill team as an Enology Intern and gain invaluable hands-on experience in the laboratory and cellar, working alongside skilled winemakers and the cellar team. This internship offers an exciting opportunity to participate in every step of the winemaking process, from grape to glass. As a Certified B Corporation, we are committed to balancing purpose and profit, prioritizing sustainability, community, and ethical business practices. This is your chance to be part of a company that’s using winemaking as a force for good. What You’ll Gain: Practical experience in both the science and art of winemaking, from grape sampling to fermentation monitoring. Mentorship from experienced winemakers and industry professionals. An understanding of how lab analysis and cellar operations come together to create exceptional wines. The satisfaction of contributing to a dynamic and fast-paced harvest team. The opportunity to work for a Certified B Corporation, gaining firsthand insight into how sustainability and ethical practices are integrated into every aspect of the winemaking process.
Requirements
- A Bachelor’s degree or upper-division coursework in Enology, Fermentation Science, Food Processing, or a related field of Science or Engineering.
- A demonstrated passion for winemaking, fermentation science, or food processing.
- The ability to work independently, communicate effectively, and collaborate in a team-oriented environment.
- Proficiency in MS Office and comfort working with data.
- The ability to work up to six days a week on variable or rotating shifts, especially during the busy harvest season.
- Must be 21 or older.
Nice To Haves
- Previous experience in the beverage or food processing industry is preferred.
Responsibilities
- Grape Sampling & Analysis: Collect grape samples from local vineyards and prepare them for analysis, monitoring key metrics like brix, pH, and titratable acidity.
- Lab Support: Analyze grape, juice/must, and wine samples to ensure quality standards are met throughout the winemaking process.
- Harvest Operations: Assist with weighing trucks, receiving fruit into the cellar, and coordinating logistics to keep harvest operations running smoothly.
- Winery Trials: Participate in experimental winery trials and data collection, contributing to innovation and process improvements.
- Cellar Operations: Support key cellar activities such as cap management, inoculations, and additions, gaining exposure to hands-on winemaking techniques.
- Fermentation Monitoring: Track barrel fermentations and Micro-Ox tanks, ensuring optimal conditions for wine development.
- Collaboration: Interface between winemakers, the cellar team, and the lab to communicate findings and help execute winemaking plans.
- Documentation: Assist with creating work orders and winemaking documents to maintain accurate records.
- Special Projects: Take part in other projects and tasks as assigned, adapting to the dynamic needs of the winery.
- Identify and implement sustainable practices within the team/department to align with the company’s environmental goals.
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What This Job Offers
Career Level
Intern
Number of Employees
11-50 employees
