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Harvest Internship Opportunities (starting as early as April 2026)Grower Relations Harvest Intern - Possible locations include Sonoma, Napa, Paso Robles, and LodiLaboratory Harvest Intern - Possible locations include Paso Robles, St. Helena, Beaulieu VineyardsHarvest Cellar Intern - Possible locations include Stags' Leap Winery, Beaulieu Vineyards, Etude, St. Helena, Frank Family VineyardsViticulture Harvest Intern - Possible locations include Carneros, Napa, Sonoma, Paso RoblesHarvest Enologist Intern - Possible locations include St. Competitive Pay* Opportunities to work with a variety of AVAs and luxury wine brands* Global, Diverse culture built on an entrepreneurial spirit* Employee discounts on wine* Development and career growth opportunities* Partnership discounts

Are you interested in a career in wine? Looking for an opportunity to take your career to the next level? Or maybe you are someone with a love of wine and food looking to try something new? Treasury Wine Estates may be for you! We regularly have Internship, Full-time and Part-time openings at several of our Iconic wineries and sites in Napa, Sonoma and Paso Robles, California. Come join us at Treasury Wine Estates and be a part of a fun, friendly and entrepreneurial culture. We are seeking aspiring young professionals like you to join our team and boldly cultivate with us.Here at Treasury Wine Estates we encourage those who, like us, see the possibilities when life is lived with sleeves rolled up and minds left open. From all walks of life and from all parts of our business, every voice is heard and every voice is welcome. Each one of us here defines ourselves and in turn, it's that spirit that defines us.We're leading the way with world class ideas, brands and marketing, but to be frank, the next big thing for us, is you!Harvest Internship Opportunities (starting as early as April 2026)Grower Relations Harvest Intern - Possible locations include Sonoma, Napa, Paso Robles, and LodiLaboratory Harvest Intern - Possible locations include Paso Robles, St. Helena, Beaulieu VineyardsHarvest Cellar Intern - Possible locations include Stags' Leap Winery, Beaulieu Vineyards, Etude, St. Helena, Frank Family VineyardsViticulture Harvest Intern - Possible locations include Carneros, Napa, Sonoma, Paso RoblesHarvest Enologist Intern - Possible locations include St. Helena and Paso RoblesWine Production Business Management Intern, St. HelenaTo express your interest in being considered for a future opportunity, please submit a resume/CV and cover letter. *Include in your cover letter, the position(s) and location(s) in which you are interested.This posting is not an active job opening. By submitting your information, you are joining our internship interest list. We will notify you when formal positions are posted and accepting applications.Why Work for Treasury Wine Estates?* Competitive Pay* Opportunities to work with a variety of AVAs and luxury wine brands* Global, Diverse culture built on an entrepreneurial spirit* Employee discounts on wine* Development and career growth opportunities* Partnership discounts

Treasury Wine Estates

Harvest Internships

Brand Marketing (Branding)

Diversity

Entrepreneurship

Global Branding

Treasury

United States Treasury

IRecruitee

Job ID: 16522 Description: This role provides hands-on experience that directly impacts operations and guest experiences and is an excellent opportunity for anyone interested in hospitality, tourism, or food and beverage management. What Were Looking For: · A student or recent graduate in Hospitality, Tourism, Recreation and Event Management, Food and Beverage Management, Business or Retail.

Job ID: 16522

Description: This role provides hands-on experience that directly impacts operations and guest experiences and is an excellent opportunity for anyone interested in hospitality, tourism, or food and beverage management. This internship includes specific projects as well as overall operations, making it an excellent opportunity to gain diverse hospitality experience.What Youll Do:· Oversee and actively participate in the daily operations of the tasting room and marketing.· Create memorable guest experiences from start to finish.· Demonstrate knowledge of our history, wine and the vineyards when answering guest questions.· Monitor and maintain the cleanliness of the tasting room and outlying areas.· Consistently and effectively communicate needs.· Conduct guest transactions via our point-of-sale system.· Maintain stock and displays of tasting room retail items.· Set the tone for positive team collaboration and communication.· Assist in other operations as needed to contribute to the overall success of Ehlers· Create a Hospitality driven project to finish the program to be agreed upon at the beginning of the internship. What Were Looking For:· A student or recent graduate in Hospitality, Tourism, Recreation and Event Management, Food and Beverage Management, Business or Retail.· Exceptional communication and organizational skills.· A customer-focused mindset, a passion for hospitality and a positive attitude.· Confidence during fast-paced rush periods.· Strong ability to multitask, problem-solve and work both independently and collaboratively.· Must be at least 21 years old with reliable transportation.· ServSafe certification preferred but not required.· Ability to stand, move, or walk for possibly the entire shift, and lift or move up to 50 pounds

Coast Personnel

Hospitality Internship

Communication Skills

Customer Relations

Event Management

Food and Beverage Industry

Hospitality and Tourism

Lift/Move 50 Pounds

Marketing

Multitasking

Operations

Organizational Skills

Point of Sale (POS) Systems

Problem Solving Skills

Recreation

Retail

ServSafe Certification

dstribute

The Continuous Improvement / Industrial Engineering Intern will develop hands-on experience in manufacturing performance analysis and process optimization by learning and applying Industrial Engineering methods focused on time study, cycle time, takt time, and line balancing. Throughout the duration of this 16 week program, the Intern will support Mezzetta's effort to improve packaging line performance, reduce bottlenecks, and identify opportunities for efficiency and labor optimization.

HOUR

<div class="content-intro">About Us: Since 1935, we've been on a mission to bring a little extra happiness to everyday life and inspire connections over food. We select the finest ingredients the world has to offer, craft premium products made with love, and never settle for shortcuts. We believe that when we share our food, we share a part of ourselves — and that's the only way we'd put our name on it. Today, our small family company has grown into a national leader in specialty olives, peppers, and sauces under the leadership of CEO Jeff Mezzetta, and our commitment to quality has never wavered. With an 80-year legacy behind us and a bright future ahead, we're seeking passionate, driven candidates to help us bring our cherished family traditions to a new generation.The ideal candidate will have an immediate connection to our Core Ingredients:  <ul><li>Crunchy Crunchy: We are hungry for excellence.</li><li>Own It: We think and act as an owner – with appetite, initiative, and responsibility.</li><li>Connection: We build authentic relationships that foster trust and open communications.</li><li>Vibrance: We come to work eager and passionate about fulfilling our vision. When we share our work, we share a part of who we are.</li></ul></div>Program ObjectiveThe Continuous Improvement / Industrial Engineering Intern will develop hands-on experience in manufacturing performance analysis and process optimization by learning and applying Industrial Engineering methods focused on time study, cycle time, takt time, and line balancing.  Throughout the duration of this 16 week program, the Intern will support Mezzetta's effort to improve packaging line performance, reduce bottlenecks, and identify opportunities for efficiency and labor optimization.By the end of the internship, the Intern will:<ul><li>Understand and apply time study and work measurement techniques.</li><li>Calculate and interpret cycle time, takt time, and OEE-related metrics.</li><li>Identify bottlenecks and develop data-based process improvement proposals.</li><li>Demonstrate practical Lean problem-solving in a real production environment.</li><li>Present technical findings and communicate improvement ideas effectively.</li></ul>12 Week Program OutlineWeek 1 Focus Area – Orientation & Training<ul><li>Onboarding: Safety, GMP, food manufacturing overview</li><li>Overview of Mezzetta packaging lines</li><li>Introduction to Lean concepts and time study methods</li></ul>Week 2 Focus Area – Process Familiarization<ul><li>Observe selected packaging lines in operation</li><li>Map process flow (from depalletizing to case pack)</li><li>Identify key workstations and operator roles</li></ul>Week 3 – Focus Area – Time Study Training & Data Collection Plan<ul><li>Learn time study methods (manual stopwatch or digital)</li><li>Define cycle elements and observation approach</li><li>Create a data collection sheet and sampling plan</li></ul>Weeks 4 & 5 Focus Area – Execute Time Studies<ul><li>Collect detailed cycle time data for each station</li><li>Record operator performance, idle time, micro-stops</li><li>Validate repeatability and accuracy of measurements</li></ul>Week 6 Focus Area – Data Analysis:  Cycle & Takt Time<ul><li>Calculate average cycle time per station</li><li>Compute line takt time vs customer demand</li><li>Identify imbalances and bottlenecks</li></ul>Week 7 Focus Area – Line Balancing & Optimization Opportunities<ul><li>Use data to evaluate workload distribution</li><li>Simulate potential line balance improvements</li><li>Identify waste (waiting, motion, overprocessing)</li></ul>Weeks 8 & 9 Focus Area – Test Improvement Hypotheses<ul><li>Work with operators and supervisors to trial small changes (layout, sequence, method, job rotation)</li><li>Measure new cycle times and validate improvements</li></ul>Week 10 Focus Area – Optimization Documentation<ul><li>Standardize improved methods</li><li>Develop or update standard work charts and SOPs</li></ul>Weeks 11 – 16 Focus Area – Sustainability & Handoff<ul><li>Train operators or leads on improved process</li><li>Create visual management aids (takt board, KPI chart)</li></ul>Week 16 Focus Area – Final Presentation<ul><li>Present "Process Optimization Findings" to CI and Operations leadership: – What was studied – Data-driven findings – Implemented improvements and quantified benefits – Future recommendations</li></ul>Requirements<ul><li>Must be currently enrolled as a junior or senior in college and studying Electrical, Mechanical, Process Engineering or similarly manufacturing related discipline</li><li>Must be able to be on site in American Canyon (flexible on hours/schedule)</li></ul>Familiarity with the following is a plus:<ul><li>Stopwatch or digital time study tools (Zebra, MODAPTS, etc.)</li><li>Excel for data analysis and charts</li><li>Line balancing diagrams</li><li>Standard Work Sheet and Takt Board templates</li></ul><div class="content-pay-transparency"><div class="title" style="font-weight:600;padding-top:8px">Pay Range</div><div class="pay-range">$27—$27 USD</div></div><div class="content-conclusion">Our Commitment to an Inclusive Workplace: At Mezzetta, we embrace diversity and strive to create an inclusive environment where you know you belong. Part of that commitment includes a zero-tolerance policy and being an Equal Opportunity Employer that prohibits discrimination and harassment of any kind. All employment decisions at Mezzetta are solely based on merit, qualifications, abilities and business needs, without regard to race, color, religion or belief, gender, sexual orientation, gender identity/expression, age, marital status, national origin, disability, military or veteran status, family or parental status, pregnancy, or any other status protected by law. All of us share in the responsibility of fulfilling this commitment and creating a culture where our team can thrive. </div>

Mezzetta

Continuous Improvement / Industrial Engineering Internship

Business Skills

Computer Workstations

Continuous Improvement

Data Analysis

Data Collection

Datasheets

Electricity

Food Production

GMP (Good Manufacturing Practices)

Industrial Engineering

Ingredient Selection

Leadership

Line Balancing

Manufacturing

Manufacturing Analysis

Mechanical Engineering

Metrics

Onboarding

Performance Analysis

Performance Management

Performance Metrics

Process Engineering

Process Flow

Process Improvement

Production Systems

Small Company

Standard Operating Procedures (SOP)

Standards Development

Sustainability

Technical Presentation

Time Management

GreenHouseAPI

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Our summer intern will work under the close direction of an experienced supervisor/manager to receive an overview of the different components of the organization. For over 80 years, we have worked to be the preferred source of quality rock products, concrete, asphalt paving, and construction services.

Job ID:  524240 Northgate Ready Mix, a CRH company, a member of the CRH West Division family, values a culture of growth, development, and internal promotion. We are a dynamic, growth-oriented, national aggregate, asphalt, concrete, and construction family of companies. For over 80 years, we have worked to be the preferred source of quality rock products, concrete, asphalt paving, and construction services. We have been recognized by numerous organizations for our commitment to safety, customer service, and innovation.  Position OverviewOur paid Internship program provides a rich and rewarding hands-on learning experience and the opportunity to learn about our organization. Our summer intern will work under the close direction of an experienced supervisor/manager to receive an overview of the different components of the organization. Duration: This is a temporary summer internship. Official start and end dates flexible based on student's availability. Compensation: $23.00/HR Location: Santa Rosa, CA or Windsor, CA Key Responsibilities (Essential Duties and Functions)<ul style="margin-bottom:11px"><li>Learn about all lines of business including transportation, production, and commercial.</li><li>Explore other areas of operation including safety and human resources.</li><li>Prepare a presentation on each line of business worked with.</li><li>Spend equal time between Production, Asphalt, Ready-mix, and Transportation. Getting general knowledge of each daily operations.</li><li>Other learning opportunities and duties, as assigned.</li><li>Regular and timely attendance.</li><li>Participate in and promote an inclusive work environment.</li></ul> Qualifications To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. Minimum Qualifications<ul style="margin-bottom:11px"><li>Must be enrolled in a qualifying program</li><li>Must be available to work between 20 and 40 hours per week.</li><li>Must have high attention to detail.</li><li>Ability to perform intermediate mathematical skills, including basic algebra.</li><li>Must have a current and valid driver’s license.</li><li>Safety minded professional who demonstrates good performance, attendance, and punctuality.</li><li>Must pass post offer pre-employment-controlled substance testing.</li><li>Must have current US Authorization to work or ability to obtain without company assistance prior to start date.</li></ul>What CRH Offers You <ul><li>Highly competitive base pay</li><li>Comprehensive medical, dental and disability benefits programs</li><li>Group retirement savings program</li><li>Health and wellness programs</li><li>An inclusive culture that values opportunity for growth, development, and internal promotion</li></ul>  About CRH CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization. If you’re up for a rewarding challenge, we invite you to take the first step and apply today! Once you click apply now, you will be brought to our official employment application. Please complete your online profile and it will be sent to the hiring manager. Our system allows you to view and track your status 24 hours a day. Thank you for your interest! Northgate Ready Mix, a CRH Company, is an Affirmative Action and Equal Opportunity Employer.  EOE/Vet/Disability CRH is an equal opportunity employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.

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Internship IT Jobs in Rohnert Park, CA

Harvest Internships Treasury Wine Estates

Hospitality Internship Coast Personnel

Continuous Improvement / Industrial Engineering Internship Mezzetta

Operations Internship AMAT West

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