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120 research intern jobs at 77 companies in Arcadia, CA

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Research Intern
West Hollywood, California, United States
OnsiteInternship
Cedars-Sinai
Cedars-Sinai: Provides academic medical care, specialized treatment, and biomedical research.
Must be 18+, HS diploma or GED, reside in greater Los Angeles area; interns for academic credit must receive credit; visitors must have sponsoring funding.
Microsoft 365, REDCap, CS-IRB/IACUC systems, Deep6
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1mo
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A&R Research Intern
Los Angeles, California, United States
HybridMultiple Commitments Available
Create Music Group
Create Music Group: Provides digital distribution and rights management services for musicians.
Must be based in Los Angeles; passionate about music and social media; strong written and verbal communication; organized; able to manage multiple tasks; familiarity with YouTube, Instagram, TikTok and A&R research tools preferred.
YouTube, Instagram, TikTok, DSPs
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3w
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Equity Research Intern
Newport Beach, California, United States
OnsiteInternship
Roth Capital Partners
Roth Capital Partners: Investment banking and research services for growth companies
Post-grad internship in-office in Newport Beach; analytical skills, financial modeling, MS Office (Excel, PowerPoint), strong writing and communication; able to work flexible schedule.
Microsoft Office, Microsoft Excel, Microsoft PowerPoint, Internet
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1w
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Sales Market Research Intern (Fall 2026)
Austin or Los Angeles or Miami or New York or Phoenix or Texas
HybridInternship
GigFinesse
GigFinesse: Connects live music performers with venues for entertainment booking.
Conduct outbound research and verification of venue info and contacts, comfortable making phone calls, strong verbal and note-taking skills, detail-oriented; enrolled in business/sales/marketing/communications program.
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2w
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Research Scientist Intern (Data-TnS-Algo-Foundations & Intelligence Service) - 2027 Start (PhD)
Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
PhD student in CS or related field with research experience in LLMs, AI safety, CV or multimodality; familiarity with AI-safety literature; proficiency in deep learning frameworks; strong analytical and communication skills.
PyTorch, TensorFlow
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2mo
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PIP Intern
Whittier, California, United States
$16/hr OnsitePart Time
SEP United
SEP United: Provides vocational support services for individuals with disabilities.
Internship involving assisting departments, supporting projects, research, data analysis, and administrative tasks.
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1mo
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Operations Intern
Lake Forest, California, United States
$17-$18/hr OnsiteMultiple Commitments Available
CellCarta
CellCarta: Provides precision medicine laboratory services for drug development.
College student pursuing a degree (biology/lab science/medicine preferred); follows SOPs to digitize and file biological samples and documentation; attention to detail; ability to lift up to 20 lbs; 20–30 hrs/week, temporary 6 months.
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2w
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Hydrogeology Intern
Lakewood, California, United States
$26-$28/hr FieldPart Time
Water Replenishment District of Southern California
Water Replenishment District of Southern California: Manages and protects groundwater resources for Southern Los Angeles County.
Enrolled full-time in a bachelor’s or graduate program in geology/hydrogeology or related field; able to work 10–24 hrs/week; experience with Microsoft Office; fieldwork and data analysis capabilities required.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, ArcGIS
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3w
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Lifestyle Intern - Fall
Los Angeles, California, United States
OnsiteInternship
Together Group
Together Group: Agency collective providing marketing services for luxury lifestyle brands.
Support influencer and press relations, media monitoring, research, pitching, and administrative tasks; proficiency with Microsoft Office, Google Workspace, and digital communication; strong written and verbal skills.
Microsoft Office, Google Workspace, Microsoft Teams
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1d
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Product Intern
Beverly Hills, California, United States
$4k/mo OnsitePart Time
StudyFetch
StudyFetch: AI-powered platform providing interactive study tools for students.
Conduct customer research, analyze product usage data, and build rapid prototypes to test ideas; comfortable with interviews, data interpretation, and hands-on prototyping.
Figma, Excalidraw, SQL
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1mo
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ESG Intern
Elizabethtown or Riverside or Asheboro
$20-$25/hr HybridFull Time, Internship
Westfall Technik
Westfall Technik: Global provider of integrated plastics manufacturing and tooling solutions.
Currently pursuing a bachelor’s or master’s in environmental/sustainability field; strong analytical, research, organizational, and communication skills; proficiency with Microsoft Office; interest in ESG frameworks and sustainability reporting.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, EcoVadis, CDP, SBTi, GHG Protocol
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2w
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Marketing Intern
Chino, California, United States
$20-$24/hr OnsitePart Time
Chino Commercial Bank
Chino Commercial BankOTC Markets: CCBC: Provides community-focused personal and business banking and lending services.
Support social media, create digital content and graphics, assist campaign execution, conduct market research, and maintain marketing assets. Requires strong communication, organization, and design aptitude.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Canva, Adobe Creative Suite
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1w
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Quality Intern - Torrance
Torrance, California, United States
$18/hr OnsiteFull Time
PolyPeptide Group
PolyPeptide GroupSIX Swiss Exchange: PPGN: Contract development and manufacturing for peptide-based pharmaceuticals.
Currently pursuing or recently completed a bachelor's in chemistry/biology/biochemistry, lab experience, attention to detail, ability to work in GMP lab and office settings, and strong communication and analytical skills.
GC, HPLC, UPLC, Karl Fischer, UV/Vis
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1w
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Quality Intern - Torrance
Torrance, California, United States
$18/hr OnsiteFull Time
PolyPeptide
PolyPeptideSIX Swiss Exchange: PPGN: Global CDMO specializing in peptide and oligonucleotide API manufacturing.
Currently pursuing or recently completed bachelor's in chemistry/biology/biochemistry, lab experience, attention to detail, ability to work in GMP lab with PPE, data review and documentation skills.
GC, HPLC, UPLC, Karl Fischer, UV/Vis
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23h
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Intern - Water Use Efficiency
Fountain Valley, California, United States
$24-$33/hr OnsitePart Time
Municipal Water District of Orange County
Municipal Water District of Orange County: Wholesale water provider and regional resource planning agency.
Enrolled college student; high school diploma/GED; basic knowledge of water use efficiency beneficial; able to perform research, use office software, communicate clearly, and handle occasional physical tasks up to 25 lbs.
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2w
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Laboratory Intern - Semi-Volatiles
Orange, California, United States
$17/hr OnsitePart Time, Internship
Onterris
OnterrisNYSE: ONT: Global provider of environmental consulting, testing, and remediation services.
Currently enrolled university student with high school diploma, basic lab techniques, Excel skills, able to follow directions, lift up to 50 lbs, and work safely with acids/solvents.
Microsoft Excel
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1d
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Seasonal HR Intern
Ontario, California, United States
$13-$52/hr OnsiteFull Time, Seasonal
UPS
UPSNYSE: UPS: Global provider of package delivery and supply chain logistics.
Recent HR management graduate or equivalent; Microsoft Word/Excel/PowerPoint/Access; strong oral/written communication, research, organization, confidentiality; recruitment and database tasks.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Access
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2mo
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Firmware Engineer Intern
Irvine, California, United States
OnsiteInternship
Fluxergy
Fluxergy: Portable diagnostic platform for rapid point-of-care laboratory testing
0+ YOEEnrollment in a Bachelor’s or Master’s program; 30-40 hours/week; proficiency in C/C++; RTOS exposure; strong problem-solving and communication skills.
C/C++, RTOS, Git, Embedded systems
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6d
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ADMINISTRATIVE INTERN III
Carson, California, United States
$18-$21/hr OnsitePart Time
City of Carson
City of Carson: Provides municipal services and infrastructure to the Carson community.
0.5+ YOECurrent college senior or recent graduate within 6 months; up to 6 months administrative or clerical experience; skills in Microsoft Office, data entry, research, written and oral communication.
Microsoft Office
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1mo
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Clinical Research Finance Analyst - Hybrid
Orange, California, United States
$32-$48/hr HybridFull Time
University of California, Irvine
University of California, Irvine: Public research university offering higher education and academic degrees.
3+ YOEBachelor's degree or equivalent and 3+ years clinical research or financial administration experience; knowledge of financial processes, reporting systems, spreadsheets/databases, internal controls; strong communication and analytical skills; CTMS/Oncore and KFS/DSS/Data Warehouse/PI Report experience preferred.
KFS, DSS, Data Warehouse, PI Report, Clinical Trials Management System (CTMS), Oncore
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