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598 intern 2026 jobs at 180 companies in California

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Workday Intern Cohort 2026 (US)
Pleasanton or Atlanta
$91k-$161k/yr HybridFull Time
Workday
Workday: A technology providing enterprise applications and an AI platform for managing people, money, and agents.
Former Workday intern from the 2026 season, currently pursuing or recently completed within 12 months a bachelor's, master's, JD, or PhD degree.
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1mo
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BY REFERRAL ONLY - INTERN 2026-2027
San Bernardino, California, United States
OnsitePart Time, Internship
San Bernardino County Superintendent of Schools
San Bernardino County Superintendent of Schools: Provides educational leadership and support services to school districts.
Internal candidates only; invitation from SBCSS HR required. Part-time internship for the 2026-2027 year (120 days).
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3mo
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Counselor Intern Fall 2026
Fullerton, California, United States
OnsiteFull Time
Fullerton Joint Union High School District
Fullerton Joint Union High School District: Operates public high schools and secondary education programs.
University letter indicating eligibility for Counseling intern experience
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3mo
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GTM Intern - Fall 2026
San Jose, California, United States
OnsiteInternship
Etched
Etched: Designs specialized AI chips optimized for transformer architectures.
Intern with interest in AI infrastructure, startup ops, GTM, and cross-functional collaboration.
CRM
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Intern to Intern Conversion – Business Functions (All) (Summer 2026 Intern Program)
Everett or Huntsville or Charleston or Tinker Air Force Base or Oklahoma City or Berkeley or Huntington Beach or Hazelwood or Germantown or El Segundo or China Lake or Arlington or Ridley Park or Tukwila or North Charleston or Kennedy Space Center or Fairfax or Houston or Colorado Springs or Chicago or Long Beach or Renton or Saint Louis or Dallas or Seattle or Auburn or Philadelphia or San Antonio or Kent or Mesa
$38k-$64k/yr OnsiteFull Time, Internship
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Must be enrolled in a bachelor's or higher program (graduation on/after Aug 2027), be available full-time for a 10-12 week Summer 2027 internship, and have previously interned with Boeing.
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Secondaries & Primaries Intern – September 2026 I SF
San Francisco, California, United States
OnsiteFull Time, Internship
Ardian
Ardian: Investing across private markets to deliver long-term performance globally.
May 2026 graduate or undergraduate student available full time through December; requires English fluency, corporate finance knowledge, Excel modeling, analytical, writing, organization, and motivation.
Microsoft Excel
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Management Trainee Intern Fall 2026
Thousand Oaks or Canoga Park or Woodland Hills or Encino
$21/hr FieldPart Time, Internship
Enterprise Mobility
Enterprise Mobility: Provider of vehicle rental and diverse mobility solutions.
0+ YOEFull-time senior university student pursuing a bachelor's degree, graduating by December 2026; 6 months in sales, customer service, marketing, or management; valid unrestricted driver's license and U.S. work authorization.
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2mo
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Supply Chain Intern Fall 2026
Long Beach, California, United States
$25/hr OnsiteInternship
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
0.25+ YOEEnrolled in a bachelor’s, master’s, or doctorate in engineering, supply chain, business, or operations; GPA ≥3.0; 3+ months supply-chain experience; available full-time onsite for ≥12 consecutive weeks beginning Aug/Sept 2026.
SQL, PowerBI
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2026 Intern Vehicle Engineering CA (Part-Time)
Redondo Beach or El Segundo
$16-$46/hr OnsitePart Time, Internship
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
Full-time undergraduate or graduate STEM student graduating after December 2026, available for 20 hours weekly in Fall-Winter 2026, and eligible for U.S. clearance as a citizen.
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Manufacturing Engineering Intern (Fall 2026)
Redwood City, California, United States
OnsiteInternship
Sunday
Sunday: Developing autonomous robots to perform household chores.
Currently enrolled in a BS/MS engineering program; experience with CAD (OnShape or SolidWorks), prototyping, DFM/DFA, and hands-on manufacturing or intern/project experience preferred.
CAD, OnShape, SolidWorks, 3D printing
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3mo
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Political Data Intern - Fall 2026
Oakland or United States
RemoteInternship, Volunteer
WeVote
WeVote: Provides digital voter guides and open-source civic technology.
Interest in civic engagement, detail-oriented, able to collaborate remotely, located in the US, access to device/internet, 10 hrs/week for 10–12 weeks (Fall interns), alignment with nonpartisan mission.
WeVote Ballot Guide, Twitter
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1mo
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2025 - 2026 Land Intern (Returning Intern)
Houston or Bakersfield or Denver or Midland or Covington or Greeley
$32-$48/hr OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
Knowledge of contracts, title work, negotiation, and land issues; effective communication, planning, teamwork, and problem-solving; degree in related field preferred.
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2mo
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Research Intern (Fall 2026)
San Francisco, California, United States
OnsiteFull Time, Internship
Phonic
Phonic: Building a platform for lifelike, reliable voice AI agents.
Proven original research work; proficiency in PyTorch or JAX; strong math, probability, optimization, and linear algebra skills; ability to design experiments and implement models from papers; strong written and verbal communication.
PyTorch, JAX
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2026 Fall Engineering Intern
San Francisco, California, United States
OnsiteMultiple Commitments Available
Estes Energy
Estes Energy: Develops zero-emission battery systems for commercial vehicle electrification.
Pursuing an engineering degree or equivalent hands-on experience; able to design, build, and test components or subsystems; run experiments, analyze data, document results, and take ownership of a project.
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Growth Intern (Summer 2026)
San Francisco, California, United States
$28-$50/hr OnsiteFull Time, Internship
SellScale
SellScale: AI-powered sales automation software for outbound lead generation.
Prior product marketing/content creation/video editing experience in a startup; able to work in San Francisco office 3–5 days/week; interest in agentic AI; familiarity with Notion, Excalidraw, Zapier, and HubSpot.
Notion, Excalidraw, Zapier, HubSpot
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Administrative Intern (December 2026)
San Francisco, California, United States
$18-$20/hr HybridInternship
TransPerfect
TransPerfect: Provides global language services and localization technology solutions.
Office experience, calendar management, Excel reporting, strong written/spoken English, analytical skills, multitasking and client relationship abilities.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft Teams
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Marketing Intern - Fall 2026
Los Angeles or Marina del Rey
OnsiteInternship
Boys Lie
Boys Lie: Sells women's streetwear and loungewear focused on empowerment.
College enrollment in good academic standing required. Requires marketing experience, video content creation and editing, social media proficiency, Google Suite and Dropbox skills, organization, teamwork, and multitasking.
Instagram, TikTok, Twitter, Pinterest, LinkedIn, Shopify, CapCut, Edits, Google Suite, Dropbox
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Researcher Intern (Vision and Graphics) - 2026 Start (PhD)
San Jose, California, United States
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
PhD student in CS or related field, able to commit 12+ weeks in Summer 2026; strong research track record in computer vision/graphics/ML, programming ability, teamwork, and independent work; publications preferred.
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Fall 2026: Career Programs Intern (Unpaid)
San Diego, California, United States
HybridPart Time
International Rescue Committee
International Rescue Committee: Provides humanitarian aid and relief to people affected by conflict.
Undergraduate enrollment required in Education/International Relations/Social Work or related; strong organization, communication, Excel and MS Office skills; English fluency; interest in working with diverse, low-income populations.
Microsoft Excel, Microsoft Office
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2026 Intern Vehicle Engineering CA (Part-Time)
Redondo Beach or El Segundo
$16-$46/hr OnsitePart Time, Internship
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
Currently pursuing an accredited undergraduate or graduate STEM degree in a related engineering field, graduating after December 2026; available part-time for 20 hours weekly; able to obtain a U.S. security clearance.
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