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56 summer intern jobs at 19 companies in Lancaster, CA

3mo
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Summer Intern
Los Angeles, California, United States
$20/hr OnsiteInternship
JM Eagle
JM Eagle: Manufacturer of plastic and PVC pipes for global infrastructure.
Pursuing a Bachelor’s degree in Business, Finance, Supply Chain, Marketing; strong communication; ability to manage multiple priorities; detail-oriented; proficient with MS Office.
Microsoft Office Suite
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3mo
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Summer Intern
Los Angeles, California, United States
$20/hr OnsiteAll Commitments Available
Plastpro
Plastpro: Manufacturer of fiberglass entry doors and composite door systems.
Pursuing a Bachelor's degree in Business, Finance, Supply Chain, Marketing, or related field; strong communication; multi-priority management; detail-oriented; proficient in Microsoft Office.
Microsoft Office
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3d
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2027 Summer Associate (Intern)
Washington or Tampa or New York City or Chicago or Houston or Boston or Emeryville or Pittsburgh or Los Angeles
$25-$40/hr OnsiteFull Time
Berkeley Research Group
Berkeley Research Group: Provides expert testimony and specialized business consulting services.
Pursuing BA/MS with graduation between Winter 2027 and Summer 2028; strong quantitative, research and writing skills; experience with Excel, Stata, R, Python, SQL, SAS, or Snowflake preferred; US work authorization required.
Microsoft Excel, Stata, R, Python, SQL, SAS, Snowflake
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2mo
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Summer Intern - Graphic Design
Los Angeles, California, United States
$20/hr OnsiteInternship, Temporary
Guess
GuessNYSE: GES: Designs and retails contemporary fashion apparel and accessories worldwide.
0+ YOEEnrolled college students in good academic standing; high school diploma minimum; 0-2 years experience; internship provides administrative and functional support in advertising; ten-week paid program at Los Angeles HQ; no relocation assistance.
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3d
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2027 M&A Summer Associate Intern
Chicago or New York City or Los Angeles or San Francisco
$175k/yr HybridInternship
Lincoln International
Lincoln International: Global investment banking advisory for middle-market transactions and private funds.
MBA candidate (2028), strong accounting and finance skills, excellent communication, assertive and self-motivated; prior M&A or investment banking experience preferred; must not require visa sponsorship.
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4d
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US Livestream Strategy Intern (TikTok Shop - Operations) - 2027 Summer
Los Angeles, California, United States
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
Currently pursuing a Bachelor's degree, available for a 12-week Summer 2027 internship; strong Excel and data analysis skills, excellent communication, organization, and problem-solving.
Microsoft Excel
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1mo
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Corporate Development Intern (Summer 2027)
Los Angeles or New York City
$25/hr OnsitePart Time, Internship
Houlihan Lokey
Houlihan LokeyNYSE: HLI: Global investment bank providing financial advisory and restructuring services.
Junior or senior in a Bachelor's program (Finance, Accounting, or Economics); proficient in Microsoft Excel, PowerPoint, Word; experience with Salesforce and Pitchbook preferred; basic financial modeling and accounting knowledge; strong communication and work ethic.
Salesforce, Pitchbook, Microsoft Excel, Microsoft PowerPoint, Microsoft Word
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2mo
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Project Engineer Intern - Summer 2027
Sacramento or Oakland or Commerce or San Diego or Goodyear or Manassas
$21-$28/hr OnsiteFull Time
Helix Electric
Helix Electric: Provides electrical contracting and design-build services for complex projects.
Enrolled in a bachelor’s degree program; construction or engineering focus; internship or related experience preferred; strong communication, math, and organizational skills.
BIM, Accubid, Excel, AutoCAD, Microsoft Office
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1mo
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Corporate Development Intern (Summer 2027)
Los Angeles or New York
$25/hr OnsitePart Time, Internship
Houlihan Lokey
Houlihan LokeyNYSE: HLI: Provides global investment banking and financial restructuring advisory services.
Must be a junior or senior pursuing a Bachelor's (Finance, Accounting, or Economics preferred); Excel, PowerPoint, Word proficiency; basic financial modeling knowledge; strong communication; internship experience preferred.
Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Salesforce, PitchBook
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1d
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Software Engineer Intern - Summer 2027
New York City or Seattle or Los Angeles or Mountain View or San Francisco
$70/hr OnsiteInternship
Atoms
Atoms: Building robotics and software to automate physical world industries.
Pursuing a bachelor's or master's in computer science, engineering, or related field; minimum 3.7 GPA, introductory computer science coursework, and advanced programming experience.
Go, Python, Ruby, Java, Kotlin, C, C++
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1d
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Software Engineer Intern - Summer 2027
New York City or Seattle or Los Angeles or Mountain View or San Francisco
$70/hr OnsiteInternship
Atoms
Atoms: Building specialized industrial robots and physical AI systems.
Pursuing a bachelor's or master's in computer science, engineering, or related field; 3.7 GPA minimum; introductory computer science course and advanced programming experience required.
Go, Python, Ruby, Java, Kotlin, C, C++
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1w
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2027 Intern - Technology
Atlanta or Chicago or Houston or Los Angeles or New York or San Francisco or Washington
$30-$35/hr OnsiteInternship
FTI Consulting
FTI ConsultingNYSE: FCN: Global business advisory firm helping organizations manage change and risk.
Currently pursuing a bachelor’s degree (grad Dec 2027–Sep 2028), minimum 3.0 GPA, available 40 hours/week during summer 2027, authorized to work in the US, able to travel to clients and offices.
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3d
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Real Estate Advisory Analysts (BT Summer Intern Conversions Only)
El Segundo or Pasadena or Woodland Hills or New York City
$80k-$120k/yr OnsiteFull Time
Baker Tilly
Baker Tilly: Provides audit, tax, and consulting services to business clients.
Bachelor's or master's in real estate/economics/finance/business, strong academics, relevant internship or work experience, proficiency with Microsoft Word/Excel/PowerPoint, strong communication and analytical skills, must be eligible to work in the U.S. and be a current Summer 2026 Baker Tilly intern.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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4d
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Advisory Intern, Corporate Services - Finance and Technology | Multiple Locations Summer 2027
Los Angeles or Chicago or New York or Philadelphia
HybridInternship
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
Enrolled undergraduate or graduate student in business/finance/technology-related major, GPA≥3.0, strong analytical and communication skills, ability to obtain cloud-technology certification, authorized to work in the U.S.
Oracle, Workday, SAP, Microsoft Office, Microsoft Excel, Gen AI, AI
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1mo
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Oliver Wyman Actuarial - Internship - Summer 2027
New York City or Boston or San Francisco or Hartford or Los Angeles or Philadelphia or Houston or Dallas or Charlotte or Milwaukee or Washington or Chicago or Atlanta or Seattle
$1k-$2k/wk HybridFull Time, Internship
Marsh McLennan
Marsh McLennanNYSE: MRSH: Global professional services firm providing risk, strategy, and people solutions.
Undergraduate student (Class of 2028 or 2029) pursuing actuarial, math, statistics, STEM or business degree; minimum 3.5 GPA; strong analytical, communication, and problem-solving skills; interest in SOA/CAS/CFA; familiarity with Excel, R, Python, SQL, SAS, or VBA.
Microsoft Excel, R, Python, SQL, SAS, VBA
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3w
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Construction Management Internship - Summer 2027
Atlanta or Melrose Park or Las Vegas or Hayward or Wilsonville or Sparks or Mukilteo or City of Industry or Manassas
HybridFull Time
Anning-Johnson
Anning-Johnson: Provides specialty construction services including drywall and metal decking.
Current student in construction management, engineering, or related field; motivated, team-oriented, willing to work in office and on jobsite; eager to learn; strong work ethic.
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4d
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Outside Sales Internship - Summer 2027
Ontario or Anaheim or Los Angeles or Riverside
$22/hr FieldFull Time
Uline
Uline: Distributes shipping, industrial, and packaging materials across North America.
College sophomore or junior status required; professional communication and presentation skills; hardworking team player; participate in sales training and customer visits.
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2w
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MWD Water Reuse Co-Op Intern - MWD - #721853572
Pomona or Carson
$25/hr OnsitePart Time
Cal Poly Pomona Foundation
Cal Poly Pomona Foundation: Auxiliary organization providing support services for Cal Poly Pomona.
Currently enrolled in a 4-year Civil/Chemical/Environmental/Engineering or Chemistry degree, GPA≥2.5, sophomore/junior/early senior status, ability to work 8–10 hrs/wk (up to 20 in summer), valid CA driver\u0002s license and auto insurance if driving, background check required.
Microsoft Windows
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2mo
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Ottawa Infotainment Internship Program – “Alligator Wrestling Program” (Summer 2026)
Ottawa or Detroit or Windsor or Los Angeles
OnsiteInternship
Ottawa Infotainment
Ottawa Infotainment: A building software-defined vehicle systems and infotainment platforms.
Curious, self-directed candidates with problem-solving skills and interest or background in software, electrical, mechanical, design, or supply chain/business operations; able to own deliverables and present to leadership.
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1w
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2027 Corebridge Financial Summer Internship Program - Actuary
Houston or Woodland Hills or Jersey City
$76k-$84k/yr OnsiteFull Time
Corebridge Financial
Corebridge FinancialNYSE: CRBG: Provides life insurance and retirement products in the United States.
Complete one or more actuarial exams by Dec 2026, GPA≥3.2, degree by Aug 2029, strong quantitative/analytical skills, MS Office proficiency, excellent communication.
Microsoft Office, Microsoft PowerPoint, Microsoft Excel, Photoshop, Illustrator
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