Wine and Viticulture

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Harvest Lab Intern - J. Lohr Winery

Posting Date: 2/12/18

Harvest Lab Intern


Paso Robles

Company Name:

J. Lohr Winery

Company Description:

Founded more than four decades ago by Jerry Lohr and still family owned and operated today, J. Lohr Vineyards & Wines is built on the three pillars of “Family, Place and Craft.” We are dedicated to producing flavorful wines that are the finest examples of quality and flavor from our 3,700 acres of sustainably farmed estate vineyards in Paso Robles, Monterey County’s Arroyo Seco and Santa Lucia Highlands appellations, and St. Helena in the Napa Valley.

The Lohr family and the J. Lohr family of employees are committed to honesty, excellence and service, with a respect for employees, suppliers, customers, and the long term health of our company and the environment. We are also committed to continuous improvement, transparency and giving back to the industry and community with leadership and financial support.

Job Description:

This is an exciting opportunity to work in a winery lab in Paso Robles. The Harvest Laboratory Intern is responsible for the efficient and professional execution of laboratory operations relating to the production of J. Lohr wines during the harvest, while promoting a team-oriented environment within the department and company.

The ideal candidate will be able to take fall quarter off, and be able to work 40-60 hours a week. An interest in wine production and previous experience is desired but not required. This will be a great learn-by-doing experience. The internship will last approximately August to November depending on the harvest season.




QUALITY CONTROL: Works with laboratory staff for accuracy of laboratory data generated at the winery, by maintaining reagents, calibrations of equipment, training and Standard Operating Procedures (SOPs).

DAILY LABORATORY ANALYSIS: Performs the following chemical analyses as

needed: total acidity (TA), pH, enzymatic tests for residual sugar (RS), and malates. Performs Foss analysis as needed.

HARVEST ANALYSIS: Works with laboratory staff on the analysis of field samples and incoming fruit or juice including Brix, pH, TA, and YAN and malic acid. Checks brix, pH, and TA, Temp in degF, on alcoholic fermentations and monitors malolactic fermentations.

SAMPLING: Collecting barrel or tank samples for analysis and/or tasting.

RECORD KEEPING: Record, print, and distribute analysis. Input all analysis into the Winemakers Data Base and/or the Fermentation Log.

SAFETY:  Maintains a high level of safety awareness with all staff through ongoing meetings and training. Responsible for adherence to all safety procedures.

TEAMWORK: Adheres to and supports company policies and decisions in a positive manner.  Cooperates with others to ensure the best overall results for J. Lohr Winery.

OTHER DUTIES:  Other jobs or special projects may arise outside the realm of this job description.


Job Type:

Harvest Internship

Pay Range:


Start Date:

End Date:

Other Information:


Contact Instructions:

If you are interested in learning more about the job, please contact Claire McCarthy at






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