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Harvest Laboratory Internship

Delicato Family Wines
Manteca, CA Intern
POSTED ON 4/11/2026
AVAILABLE BEFORE 5/10/2026
Position Purpose

Under general supervision, the Lab Technician is responsible for performing analysis to support wine quality. Following standard operating procedures, this position utilizes wet-bench chemistry, analytical instrumentation and performs data entry.

Functional Responsibility

Essential Duties

  • Performs chemical analysis of grapes, juice, fermenters, and wine following standard operating procedures and protocols
  • Operates laboratory instruments such as auto titrators, infrared analyzers, turbidimeter, density meter, Atomic Emission Spectroscopy, and other technical instruments
  • Performs data entry using various types of applications
  • Maintains Data Integrity and Impartiality
  • Samples and analyzes wine/juice in barrels
  • Completes daily lab start-up and shut down following standard procedures and protocols
  • Prepares wine for bottling by making tank adjustments to meet specifications
  • Maintains ISO 9001 compliance within the lab
  • Continuously audits analytical data
  • May execute wine fining trials
  • Monitors inventory of lab supplies
  • Maintains a strong customer service relationship with internal customers
  • Participates in blend evaluations, tasting panels and sensory projects as requested
  • Participates in method validation projects
  • Pulls samples from tanks as necessary
  • Other duties may be assigned

Non-Essential Duties

  • Other duties may be assigned

Minimum Requirements

Education and Experience

  • Bachelor’s degree in Chemistry, Enology, Food Science, Biology, or other related science field
  • 6 months previous analytical lab experience preferred

Knowledge, Skills, And Abilities

  • Strong communication and organizational skills.
  • Proficient in Microsoft Outlook, Word, and Excel
  • Ability to prioritize work while adapting to changing priorities
  • Brings a positive work environment
  • Knowledge of good laboratory skills including sample and reagent preparation, sample handling, and good record keeping

Certificates and Licenses

  • Acceptable driving history with valid Driver’s License

Working Conditions

  • Analytical lab in a temperature-controlled environment
  • May be required to drive automotive vehicle or equipment
  • Indoor and outdoor environment with exposure to the elements/temperature variations
  • Extended Hours
  • Shift Rotation
  • Required to wear PPE (Personal Protective Equipment)
  • Work at protected heights of 50’
  • Work in close quarters or confined spaces
  • Exposure to varying levels of dust, chemicals, fumes, gases, and noisy equipment

Work Standards

  • Acts in a manner reflective of the Company culture of High Moral Standards, Innovation and Continuous Evolution, Trust in Team, Continuous Improvement, and Sustainable Relationships
  • Communicates, interacts, and works effectively with others; receptive to feedback and coaching; voices concerns in a constructive manner
  • Demonstrates commitment to safety first; communicates safety concerns; promotes a safe work environment based on established safety standards and training
  • Follows all Company policies and procedures

Additional Comments

Management retains the discretion to add to or change the duties of the position at any time.

California Pay Transparency Disclaimer: This is a Non-Exempt position. The pay range for this position is $21.00 to $23.00. It is not typical for an individual to be hired at or near the top of the range for their role. Actual placement within range will be contingent upon a number of factors, including but not limited to the candidate's qualifications, education, experience, internal equity and alignment with market data.

NOTICE TO THIRD PARTY AGENCIES

Please note that we do not accept unsolicited resumes from recruiters or employment agencies. In the absence of a signed Recruitment Services Agreement, we will not consider, or agree to, payment of any referral compensation or recruiter fee. In the event that a recruiter or agency submits a resume or candidate without a previously signed agreement, we explicitly reserve the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency.

Delicato Family Wines is an Equal Opportunity Employer.

Salary : $21 - $23

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