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California Natural Color Research & Process Technology Internship
California Natural Color Research & Process Technology InternshipE. & J. Gallo Winery • Fresno, CA, US
California Natural Color Research & Process Technology Internship

California Natural Color Research & Process Technology Internship

E. & J. Gallo Winery • Fresno, CA, US
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  • [job_card.full_time]
  • [job_card.internship]
[job_card.job_description]

Job Type :  Full-time

Work Category :  Onsite

Application Close Date : 03 / 31 / 2026

Sponsorship :  Not Available

Compensation : $23.50- $26.00

Duration : June- August 2026

  • Important Information
  • Applications will not be reviewed until the application close date.

We are GALLO

We’re a family-owned company with a 90+ year legacy, that’s consistently recognized as a Glassdoor “Best Places to Work.” We have 130+ brands in our total alcohol beverage portfolio including wine, malt, spirits, and ready-to-drink beverages. We’re home to the #1 wine and spirits brands in the U.S. - Barefoot Wine & High Noon and are the official sponsors of the NFL, NHL, UFC, and PGA of America.

View our Corporate Values and Mission Statement here.

A Taste of What You'll Do

The Research / Process Technology Internship is a unique program in partnership with universities. The program offers 2-to-6-month placement opportunities based out of E. & J. Gallo’s subsidiary, California Natural Colors located in Fresno, California. This internship provides the opportunity for Master’s and PhD students to apply their advanced knowledge in natural product chemistry within Cal Color’s Research and Development department. This is an excellent opportunity to gain hands-on experience in an industrial research environment and increase your skills for future employment.

Specific training and project work undertaken by interns may include the following, depending on available placement(s) :

  • Produce and evaluate the chemical characteristics of grape seed extracts and natural colors.
  • Produce and test the physical properties of emulsions.
  • Implement rapid chemical methods to measure and monitor bench, pilot, and production scale processes.
  • Conduct organic synthesis of target molecules.
  • Use HPLC to analyze various natural products.
  • Use other separation techniques (e.g., adsorption elution, membrane filtration, etc.)
  • Use computer software to statistically analyze data.
  • Assist in the set-up of laboratory, pilot scale, or production experiments

    • What You'll Need

  • Currently enrolled at a university and working towards a Master’s or PhD in Chemistry, Food Science, Physics or Engineering; OR obtained a Master’s OR PhD in Chemistry, Food Science, Physics, Material Science or Engineering.
  • Candidate is required to have a valid driver’s license, a safe driving record and reliable vehicle (if applicable) at the time of hire. This position will undergo a motor vehicle check (MVR) to confirm a history of safe and responsible driving. If needed, candidate must obtain the appropriate state driver’s license based on the position’s location within 30 days of hire.
  • Reliable transportation to and from work.
  • Required to lift and move up to 40 lbs. when necessary.
  • Required to work overtime, including evenings, weekends and holidays when necessary.
  • Required to be 21 years of age or older.
  • Required to be 18 years or older. This may be in addition to other age requirements, if applicable, as listed in this job description.

    • How You'll Stand Out

  • Hands-on experience with quantitative analytical chemistry using chromatographic techniques, especially HPLC, method development and validation. LCMS a plus.
  • Hands-on experience with various extraction, separation, and purification techniques such as preparative HPLC, CC, ultrafiltration, crystallization, etc.
  • Hands-on experience using particle size analyzers. Working knowledge of emulsion science.
  • Hands-on experience with natural products especially polyphenols (e.g., flavonoids, proanthocyanidins and natural colors (e.g., anthocyanins, carotenoids, curcuminoids)
  • Working knowledge of the chemistry and physics of color and light.
  • Hands-on experience with organic synthesis.
  • Strong analytical and problem-solving skills. Excellent written and oral communication skills.
  • Excellent organizational skills and experience managing multiple assignments. Self-motivated with a passion for research.
  • Willingness to work at heights of up to 50 feet, on tops of tanks inspecting wine surfaces when necessary.
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