89 summer intern jobs at 31 companies in Brookhaven, NY

5d
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2027 Summer Internship
Stamford or Houston
OnsiteFull Time, Internship
Freepoint Commodities
Freepoint Commodities: Global merchant of physical commodities and energy solutions provider.
Seeking motivated candidates for summer internship assignments across accounting, risk, investments, analytics, credit, treasury, operations, IT, compliance, human resources, and energy solutions.
18h
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2027 Summer Internship Program (Office / Non-Engineering - NY)
Farmingdale, New York, United States
$18-$20/hr OnsiteInternship, Temporary
Posillico
Posillico: Diversified construction providing civil, utility, and environmental infrastructure.
Currently enrolled in a college program and taking relevant coursework or major; specific duties vary by department. Interns complete OSHA-10 certification and program activities.
1mo
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Operations Intern- Summer 2026
Queens County, New York, United States
$18/hr OnsitePart Time
Tourneau
Tourneau: Retailer of luxury timepieces and certified pre-owned watches.
Currently enrolled college student (junior/senior) in business or operations-related field; office experience; MS Office proficiency; strong communication, organization, and analytical skills.
Microsoft Office, Microsoft Excel, Microsoft Access
8h
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Estimating Intern (Summer 2027)
White Plains, New York, United States
$24-$29/hr OnsiteMultiple Commitments Available
Consigli Construction
Consigli Construction: Provides construction management and general contracting services for diverse facilities.
Currently pursuing a bachelor's degree in construction management, civil engineering, or related field; knowledge of construction processes and drawings; Microsoft Excel proficiency; analytical, organizational, and communication skills.
Microsoft Excel, Bluebeam, On-Screen Takeoff
1w
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2027 Finance Summer Intern
Armonk, New York, United States
$66k-$121k/yr HybridInternship, Temporary
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
High school diploma/GED and enrollment in a finance, accounting, or related degree program required; strong communication, Microsoft Excel and Office skills, technology and AI proficiency, and leadership experience required.
Microsoft Excel, Microsoft Office Suite, AI, IBM Cloud
3w
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Engineering Intern – Summer 2027
Fridley or Tempe or Eatontown or Santa Rosa or Lafayette or Boulder or Plymouth or Mounds View or Irvine or North Haven or Memphis or Newton or Dexter or Santa Ana or Mansfield or Fort Worth or Minneapolis or Brooklyn Center or Jacksonville or Boston or Brooklyn Park
$27-$45/hr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
Enrolled in BS/MS engineering (biomedical, mechanical, electrical, industrial, materials, computer or related) with expected graduation 2027–2029; U.S. work authorization required; minimum 3.0 GPA preferred; prior engineering coursework/projects preferred.
CAD
6d
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2027 Summer Intern: Operations - Manufacturing
Wilmington or Boston or Shelton
$23-$29/hr OnsiteInternship, Full Time
Hubbell
HubbellNYSE: HUBB: Designs and manufactures electrical products and utility infrastructure solutions.
Full-time college enrollment through the May–August 2027 internship, related bachelor's or master's degree, minimum 3.0 GPA, and interest in additive manufacturing, operations, or process improvement.
Microsoft Office
3w
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Supply Chain/Supply Management Intern- Summer 2027
Minneapolis or Fort Worth or Plymouth or Boulder or Mounds View or North Haven or Memphis
$24-$27/hr OnsiteFull Time
Medtronic
MedtronicNYSE: MDT: Developing and manufacturing medical technologies and therapies globally.
Working toward a bachelor’s in supply chain or related field with graduation between Winter 2027 and Spring 2029; availability full-time for the summer internship dates; U.S. work authorization required; GPA 3.0 preferred; project and teamwork experience preferred.
1w
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EH&S Summer 2027 Intern
Queens, New York, United States
$25/hr OnsiteTemporary
Skanska
SkanskaNasdaq Stockholm: SKA B: A construction and project development creating innovative and sustainable solutions.
Current student pursuing construction management, engineering, mechanical engineering, civil engineering, or related studies; construction project knowledge, mathematics skills, and computer skills required.
Microsoft Office, HCSS, CGC
1d
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Construction Superintendent Intern (Summer 2027)
White Plains, New York, United States
OnsiteInternship, Temporary
ARCO Construction
ARCO Construction: Nationwide design-build construction and general contracting services.
Enrolled in civil, architectural, or construction engineering or construction management; minimum 3.0 GPA; construction experience preferred; strong communication and work ethic; active driver's license.
1mo
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Summer Intern 2027 - Buyouts & Growth Equity Team
New York City or Norwalk
HybridInternship
Commonfund
Commonfund: Provides investment management services to institutional nonprofit organizations.
Undergraduate junior with strong GPA, 1+ years relevant coursework (accounting/finance/business), strong analytical and communication skills, Microsoft Excel proficiency, ability to work independently and in teams.
Microsoft Excel
1mo
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Summer College & Career Intensive Intern
Bronx, New York, United States
$17/hr OnsitePart Time, Internship
Commonpoint Queens
Commonpoint Queens: Non-profit social services agency providing community and family programming.
High school graduate enrolling in a CUNY school in Fall 2026; valid work authorization; complete onboarding and compliance training (including CPR/AED); strong interpersonal and organizational skills; able to commit to structured work and academic schedule.
3mo
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Fan Activation & Promotions Intern [Summer]
Stamford, Connecticut, United States
OnsiteInternship
CT United FC
CT United FC: Professional soccer club and youth development organization in Connecticut.
0+ YOEEnrolled in a university/college or recent graduate; able to lift 30 pounds; available nights, weekends, and matchdays; interest in sports marketing or live events.
1mo
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2027 Summer Intern: Human Resources - Masters
Purchase, New York, United States
$34-$44/hr OnsiteInternship
PepsiCo
PepsiCoNASDAQ: PEP: Produces and distributes global snack and beverage products.
Master's candidate with GPA≥2.75, right to work in the US, pursuing HR or related degree, strong communication, leadership, adaptability, and willingness to relocate; internship or consumer products/manufacturing experience desirable.
1mo
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2027 Summer Intern: Human Resources - Masters
Purchase, New York, United States
$34-$44/hr OnsiteFull Time, Internship
PepsiCo
PepsiCoNASDAQ: PEP: Global manufacturer and distributor of snacks and beverages.
Pursuing a Master’s in HR (or related), GPA≥2.75, indefinite right to work in the US, graduate within 1 year of internship end, leadership and internship experience preferred, flexible hours and willingness to relocate.
1w
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Manufacturing Engineering Intern – US – Summer 2027
Evendale or Batesville or Durham or Bohemia or Arkansas City or Auburn or Madisonville or Asheville or Dayton or Rutland or Clearwater or Greenville or Terre Haute or Wilmington or McAllen or Erlanger or West Jefferson or Hooksett or Lafayette or Norwich or Lynn or Jacksonville or Sterling
$20/hr OnsiteFull Time, Internship
GE Aerospace
GE AerospaceNYSE: GE: Designs and manufactures jet engines and aerospace systems.
Full-time bachelor's or graduate enrollment in an accredited engineering or related program, 3.0 GPA, U.S. work authorization, transportation, and willingness to work at U.S. locations.
Lean, Six Sigma
1mo
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Law School Summer (2L) Intern 2027
Bronx, New York, United States
$25/hr OnsiteFull Time
Bronx District Attorney's Office
Bronx District Attorney's Office: Prosecutes crimes and provides legal services in Bronx County.
Current 2L law student, completion of a Criminal Law class, ability to commit to a nine-week full-time in-person program, pass background check, maintain confidentiality, strong analytical and writing skills.
1mo
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2027 Summer Intern: Human Resources - Masters
Purchase, New York, United States
$34-$44/hr FieldFull Time
PepsiCo
PepsiCoNASDAQ: PEP: Global food and beverage manufacturing and distributing consumer goods.
Master's degree near completion, GPA≥2.75, indefinite right to work in the US, pursuing HR or related degree, leadership experience, adaptable and organized.
1w
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Summer 2027 IT Intern (May 2028 Graduates)
Stamford, Connecticut, United States
$17-$25/hr HybridFull Time, Internship
Gartner
GartnerNYSE: IT: Provides research and advisory services for business leaders.
Currently pursuing a Computer Science, Math, or related engineering degree and graduating May 2028. Requires software development fundamentals, communication skills, and U.S. work authorization; familiarity with listed technologies preferred.
Python, Java, .NET, JavaScript, C#, HTML, SQL, MySQL, PostgreSQL, Oracle, React, Angular, AWS, Azure, Terraform, Jenkins, OpenAI, ChatGPT, Microsoft Copilot, Git, GitHub, GitLab
3w
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Outside Sales Internship - Summer 2027
New York City or Queens
$24/hr OnsiteFull Time
Uline
Uline: Distributes shipping, industrial, and packaging materials across North America.
College sophomore or junior only; professional communication and presentation skills; hardworking team player; paid summer internship with sales training and mentoring.