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1,014 summer internship jobs at 216 companies in California

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Summer Internship
Lafayette or Janesville or Richmond or Etowah or Little Rock or Wichita or Blair or Hopewell or Tonawanda or Piscataway or Lafayette or Los Angeles or Kennesaw or Cambridge or Chester or Mapleton or Mobile or Allentown or Calvert City or Birmingham or Milton or Weston or Reserve
$21-$27/hr OnsiteFull Time, Internship
Evonik Industries
Evonik IndustriesFrankfurt Stock Exchange: EVK: A world-leading specialty chemicals.
Pursuing an undergraduate degree in chemical engineering, mechanical engineering, or chemistry; able to relocate anywhere in the US; unrestricted US work authorization without future sponsorship.
P&IDs, Gantt charts
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1w
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Summer Internship
Portola Valley or North America
OnsiteInternship, Temporary
G2 Venture Partners
G2 Venture Partners: Climate-focused U.S. venture capital firm partnering with technology companies to transform traditional industries sustainably.
4+ YOEMBA candidates with relevant studies and 4+ years of experience analyzing business models and financial projections; strong analytical, organizational, communication, research, and teamwork skills required.
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Engineering Internship - Summer 2027
Newark or Elkton or Flagstaff or Phoenix or Santa Clara
$25-$32/hr OnsiteInternship, Temporary
W. L. Gore & Associates
W. L. Gore & Associates: Privately held global materials science manufacturer serving industrial, medical, electronics, energy, aerospace, and apparel markets.
Currently enrolled in a bachelor's or master's engineering program, completed sophomore year, returning to studies, and available for a minimum 12-week summer internship.
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2w
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2027 U.S. Summer Internship Program
Atlanta or Boston or Charlotte or Chicago or Dallas or Miami or New York City or San Francisco or Santa Monica or Washington
$30/hr OnsiteInternship, Full Time
Eastdil Secured
Eastdil Secured: Private global real estate investment bank advising institutional investors on property sales, financing, capital raising, and structured credit transactions.
Currently pursuing a bachelor's or master's degree with graduation in the 2027–2028 academic year; requires analytical, written, verbal communication, teamwork, organization, and commercial real estate finance interest.
Microsoft Excel, Argus Enterprise
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1w
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Rotational Internship (Summer-2027)
Campbell, California, United States
$33/hr OnsiteInternship, Temporary
Abbott, Stringham & Lynch
Abbott, Stringham & Lynch: Silicon Valley CPA firm serving privately held businesses and high-net-worth individuals with audit, accounting, and advisory services.
Currently enrolled in a bachelor's or master's business program emphasizing accounting or taxation; requires analytical, organizational, communication, teamwork, and professional client-facing skills.
Internet, Microsoft Word, email
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Operations Internship (Summer 2027)
Dixon, California, United States
$23/hr OnsiteFull Time, Internship
Cardinal Health
Cardinal HealthNYSE: CAH: Global healthcare products and services provider.
0+ YOEUndergraduate pursuing a preferred bachelor's degree in business, logistics, management, supply chain, or operations, graduating December 2027–June 2028; analytical, communication, and leadership skills required.
Lean Six Sigma, Key Performance Indicators (KPI), Kaizen
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Summer 2027 Finance Internship
New Brunswick or Jacksonville or Spring House or Cincinnati or Irvine or Horsham or West Chester or Warsaw or Raritan or El Paso or Danvers or Raynham
$26-$28/hr OnsiteFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: A global healthcare leader in innovative medicine and MedTech.
Currently enrolled in an undergraduate or fifth-year master’s program in finance/accounting/economics/data analytics/business; GPA≥3.0; intermediate Excel preferred; legally authorized to work in the US; graduation in 2028 or 2029.
Microsoft Excel
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2027 Commercial Banking Summer Internship – Early Careers (CA/CO)
Los Angeles or San Francisco or San Diego or Denver
$34-$52/hr OnsiteFull Time, Internship
Wells Fargo
Wells FargoNYSE: WFC: Multinational financial services providing banking and investment products.
0.5+ YOE6+ months of experience (or equivalent); currently pursuing a bachelor’s degree (preferred, expected graduation Dec 2027–Jun 2028); strong analytical, communication, and organizational skills; intermediate Microsoft Office; familiarity with AI productivity tools; must be authorized to work in the U.S. without sponsorship.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Copilot
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23h
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The Foundation – Summer Internship Program
Irvine, California, United States
OnsiteInternship, Seasonal
Risewell Homes
Risewell Homes: Private national homebuilder designing, constructing, and selling attainable single-family homes for entry-level and first-time move-up buyers.
Students interested in a future summer internship in homebuilding, with opportunities across construction, development, sales, marketing, finance, accounting, and technology.
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Executive Search Summer Internship
New York City or Toronto or Chicago or Washington or Houston or San Francisco or Boston
$25-$27/hr OnsiteFull Time, Internship
Heidrick & Struggles
Heidrick & Struggles: Privately held global executive search and leadership advisory firm serving organizations with senior talent, consulting, and on-demand expertise.
Final-year undergraduate or graduate student with research, communication, analytical, organizational, planning, and project management skills; must synthesize complex information and work collaboratively.
Salesforce
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Global Payments Solutions Summer Analyst Program - 2027
Atlanta or Charlotte or Chicago or New York City or Boston or San Francisco
HybridInternship
Bank of America
Bank of AmericaNYSE: BAC: Global financial services and banking institution.
0+ YOEPenultimate-year undergraduate seeking a 10-week summer internship; bachelor-level study in finance-related fields, 3.2+ GPA preferred; no visa sponsorship; strong communication and analytical skills.
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2027 | Americas | Newport Beach | Wealth Management, Financial Planning | Summer Analyst
Newport Beach, California, United States
$65k-$100k/yr OnsiteInternship
Goldman Sachs
Goldman SachsNYSE: GS: Global investment banking, securities and investment management firm.
Nine- to ten-week summer internship for students pursuing a bachelor's or graduate degree; applicants participate in training and real business responsibilities.
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2027 | Americas | San Francisco | Asset Management, Private Investing | Summer Associate
San Francisco, California, United States
$175k/yr OnsiteInternship
Goldman Sachs Asset Management
Goldman Sachs Asset Management: Global asset manager providing investment and advisory solutions to institutions, financial advisors, individuals, and family offices.
Students pursuing an advanced degree such as an MBA, PhD, JD, MD, or LLM who are available for a nine- to ten-week summer internship.
Employee Assistance Program (EAP)
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5d
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Churchill Summer Internship, Investor Solutions Group - Wealth
Chicago or New York City or Charlotte or Dallas or Los Angeles
$30/hr OnsiteFull Time, Internship
Churchill Asset Management
Churchill Asset Management: Private capital manager providing credit and equity solutions to U.S. private equity-backed middle-market companies.
Current rising junior or senior pursuing a bachelor's degree in business administration, accounting, or finance; strong Excel and PowerPoint skills, communication, analytical, and collaboration abilities.
Microsoft Excel, Microsoft PowerPoint
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1mo
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Outside Sales Internship - Summer 2027
Fremont or Redwood City or Hayward or San Jose
$24/hr OnsiteFull Time
Uline
Uline: North America's leading distributor of shipping and packaging materials.
Full-time summer internship for college sophomores and juniors; professional communication and presentation skills; hardworking team player; pre-employment hair follicle drug screening; on-site position.
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2mo
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2027 Summer Associate
San Francisco, California, United States
$2k/wk HybridMultiple Commitments Available
Sher Edling LLP
Sher Edling LLP: Environmental law firm representing public entities in high-impact cases against corporate polluters.
2L or 3L law student for 2026–2027 academic year, available for a minimum 10-week summer, strong research and writing ability, academic record, and commitment to firm work; submit cover letter, resume, writing sample (≤10 pages), and transcript.
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2027 | Americas | San Francisco | Asset Management, Private Investing | Summer Associate
San Francisco, California, United States
$175k/yr OnsiteInternship
Goldman Sachs Asset Management
Goldman Sachs Asset Management: Global asset manager providing investment and advisory solutions to institutions, financial advisors, individuals, and family offices.
Nine- to ten-week summer internship for students pursuing an advanced degree such as an MBA, PhD, JD, MD, or LLM; includes training and real business responsibilities.
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1mo
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Nuclear Engineering Internship - Summer 2027
Alameda or Albuquerque or Oak Ridge
$30-$34/hr OnsiteInternship
Kairos Power
Kairos Power: American nuclear technology, engineering, and manufacturing commercializing fluoride salt-cooled reactors for clean electricity.
Current student in engineering (nuclear/mechanical/materials/chemical/engineering science) with coursework or experience in reactor physics, thermal hydraulics, CFD, or related areas; familiarity with Python/MATLAB/C++/Fortran and Microsoft Office; strong communication and problem-solving skills.
Python, MATLAB, C++, Fortran, Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft PowerPoint
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2mo
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Central OC Young Life — Summer 2026 Internship Program
Tustin or Orange County
$18/hr OnsitePart Time, Internship
Young Life
Young Life: Christian ministry focused on evangelism and discipleship for youth.
Must sign Young Life Statement of Faith; organized, self-motivated, creative, detail-oriented, strong communicator, comfortable with technology and social media; experience with Canva/Google Workspace a plus.
Google Drive, Google Workspace, Linktree, Emma, Instagram, Canva
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Summer Associate (Summer 2027)
Los Angeles, California, United States
$27-$35/hr OnsiteMultiple Commitments Available
Clark Construction
Clark Construction: Large-scale construction, civil engineering, and infrastructure delivery firm.
Pursuing an undergraduate or graduate degree, with interest in construction. Requires initiative, teamwork, adaptability, communication, and willingness to work active job sites and extended hours.
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