224 intern jobs at 83 companies in Windsor, CA

1mo
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Pharmacy Intern
Vallejo, California, United States
$21-$24/hr OnsitePart Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
Pursuing ACPE-accredited pharmacy program; must possess or be pursuing intern/licensure; 3rd-year intern; strong customer service and communication; willingness to travel within market stores.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Outlook
1mo
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CTE Intern
Santa Rosa, California, United States
$21/hr OnsiteInternship
Keysight Technologies
Keysight TechnologiesNYSE: KEYS: Provides electronic design, test, and simulation software and hardware.
High-school senior eligible to graduate; willingness to learn, positive attitude, attention to detail, teamwork, and shift flexibility. Performs materials handling, assembly, test/repair, quality inspection, and ERP data entry.
ERP, Shop Floor Control Production/Test tracking system
2w
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Operations Intern
Santa Rosa, California, United States
$22/hr OnsiteIntern
Transdev
Transdev: Operator of public transportation systems and mobility solutions.
Participate in rotational transit operations learning including dispatch, safety, maintenance, finance, and HR; pass drug test and background check; eligible to work in U.S.; strong communication and leadership potential.
2w
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Pharmacy Student Intern
Concord or Los Altos or Walnut Creek or Sonora or Danville or Lincoln or Fairfield or Brentwood or Pittsburg or Antioch or Placerville or Sacramento or Bay Point
$22-$23/hr OnsitePart Time
Albertsons Companies
Albertsons CompaniesNew York Stock Exchange: ACI: Operates supermarkets and pharmacies across the United States.
Must be enrolled full-time in an accredited school of pharmacy; hold a valid state intern license if required; perform pharmacy duties under pharmacist supervision and assist with counseling, immunizations, MTM, and point-of-care testing.
1mo
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Pharmacy Graduate Intern (Non-US Education)
Mill Valley, California, United States
$34-$45/hr OnsiteInternship
Walgreens
Walgreens: Retail pharmacy providing prescriptions and health and wellness products.
Post-graduate pharmacy intern under pharmacist supervision; requires a non-US pharmacy degree, FPGEC, intern permit if required, willingness to obtain state pharmacist licensure after intern hours, and immunizer certification or willingness to become one.
Intercom Plus, StoreNET, People Plus
1mo
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Harvest Intern
Napa, California, United States
$26/hr OnsiteMultiple Commitments Available
Sidus Space
Sidus SpaceNASDAQ: SIDU: Provider of satellite manufacturing and space mission services.
High school diploma required; prior cellar/harvest experience preferred. Must be able to lift 40+ lbs, perform physically demanding tasks, have valid driver's license, reliable transportation, and be eligible to work in the US.
Forklift
2mo
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Housekeeping Intern
Philo, California, United States
$21/hr OnsitePart Time
Blackbird Farm
Blackbird Farm: Non-profit farm offering agricultural education and event services.
Housekeeping duties at a farm; weekend and night availability; TB test and Livescan; valid driver’s license with clean record.
1mo
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Communications Intern
Vallejo, California, United States
$25/hr OnsiteMultiple Commitments Available
Vallejo Flood & Wastewater District
Vallejo Flood & Wastewater District: Provides wastewater treatment and flood protection services in California.
Post-secondary students; part-time internship (20–35 hrs/week, max 1,000 hrs/year). Duties include creating/managing social media content, producing newsletters/videos/podcasts, supporting outreach, assisting the public, and handling office tasks. Submit application, resume, and cover letter.
Facebook, Instagram, LinkedIn, YouTube, NextDoor, intranet, email
1d
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Finance Intern
Fairfield, California, United States
$22/hr OnsiteFull Time
NorthBay Health
NorthBay Health: Provides comprehensive hospital care and medical services in Northern California.
0+ YOEEnrolled with ≥1 year or bachelor's preferred; no experience required. Proficiency in Microsoft Word, Excel, Outlook; strong communication, organization, time management, and critical thinking skills.
Microsoft Word, Microsoft Excel, Microsoft Outlook
13h
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Intern - Engineering
Richmond, California, United States
$21-$35/hr OnsiteInternship
Parker Hannifin
Parker HannifinNYSE: PH: Manufacturer of motion and control technologies and systems.
Enrolled in a Bachelor's or advanced Mechanical Engineering program; experience with Autodesk Inventor or Solidworks; strong communication, time management, and teamwork skills.
Autodesk Inventor, Solidworks
3mo
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Harvest Intern
Healdsburg, California, United States
$22-$24/hr OnsiteSeasonal, Temporary
Harper's Rest Winery
Harper's Rest Winery: Produces estate-grown Pinot Noir and Chardonnay wines.
Seasonal cellar role requiring high school/GED, ability to lift 50 lbs, prior harvest or winemaking interest preferred, reliable transportation, English proficiency, and willingness to work long hours including weekends.
1w
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2026-2027 Health, Safety and Environment Intern (Returning Intern)
Richmond or Pasadena or Bakersfield or Belle Chasse or Pascagoula or Midland or Covington or Geismar or El Segundo or Houston or Ames or Greeley or San Ramon or Salt Lake City or Denver
$24-$38/hr OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
0+ YOEPursuing a bachelor’s, master’s, or PhD in relevant environmental, safety, or engineering fields; ≤2 years experience; willing to work domestic and international locations; strong regulatory and analytical interest.
3w
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Winemaking Intern (Healdsburg)
Healdsburg, California, United States
$22-$24/hr OnsiteInternship, Full Time
The Wine Group
The Wine Group: Produces and sells a diverse range of wine brands.
College student or recent graduate in Viticulture & Enology (GPA ≥3.0), 21+, able to commit ≥6 months full-time, lift up to 50 lbs, proficient in Microsoft Office, strong communication and problem-solving skills.
Microsoft Office
1mo
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Harvest Cellar Intern
Napa, California, United States
$23-$26/hr OnsiteSeasonal, Full Time
Terlato Wine Group
Terlato Wine Group: Markets and produces fine wines and artisanal spirits.
Ability to lift up to 50 lbs, previous harvest experience preferred, attention to detail, ability to work shifts and overtime, follow work orders, work safely around equipment, and reliable transportation.
3mo
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Harvest Intern - Silverado Vineyards
Napa, California, United States
$20-$26/hr OnsiteTemporary, Internship
Foley Family Wines & Spirits
Foley Family Wines & Spirits: Produces and distributes premium wines and spirits.
English, basic math, ability to lift 50 lbs, long hours including weekends and swing shifts; prior cellar or forklift experience a plus.
1w
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Engineering Intern (Extra Help)
Napa, California, United States
$22-$30/hr FieldTemporary
City of Napa
City of Napa: Provides municipal services and infrastructure for the community.
No prior experience required; must be 18+, possess valid California Class C driver license, able to lift 25 lbs, work outdoors, collect GPS data, read maps, and follow safety guidelines.
ArcGIS, GPS
3mo
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Assurance Intern (January 2027)
San Francisco or San Jose or Santa Rosa or Long Beach or Sacramento
$30-$35/hr HybridInternship
BPM
BPM: Provides accounting, tax, and advisory services to businesses.
3.0+ GPA in Accounting/Business/Finance/Economics; graduating 07/2027–12/2029; interest in CPA licensure; strong written/verbal communication; able to start in January and work in a California office.
3w
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Aquarist Intern $19.00/HR
Vallejo, California, United States
$19/hr OnsitePart Time
Six Flags Entertainment Corporation
Six Flags Entertainment CorporationNYSE: FUN: Operates theme parks and water parks in North America.
Must be 18+, high school diploma, valid driver license, SCUBA certification, strong swimming and mechanical aptitude, able to lift 60 lbs, comfortable speaking to crowds, follow safety procedures and perform aquarium maintenance.
18h
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Harvest Cellar Intern
St. Helena, California, United States
$21-$24/hr OnsiteFull Time, Seasonal
The Duckhorn Portfolio
The Duckhorn Portfolio: Produces and sells luxury wines through multiple winery brands.
Ability to perform physical cellar tasks (lifting up to 50 lb, standing, repetitive manual work), follow instructions, work flexible long/early schedules up to six days/week, strong reading/writing/math, and English proficiency.
2w
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Housing Programs Intern
Pinole, California, United States
$21/hr HybridMultiple Commitments Available
City of Pinole
City of Pinole: Providing municipal services and local governance for the Pinole community.
Pre-entry administrative and analytical support for housing programs; enrolled in high school or college; research, outreach, writing, and communication skills; familiarity with Canva preferred.
Canva