99 summer intern jobs at 22 companies in Wales, WI

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Actuarial Intern, Summer 2027
Milwaukee, Wisconsin, United States
$17-$30/hr OnsiteFull Time, Internship
Northwestern Mutual
Northwestern Mutual: Financial security offering insurance and wealth management services.
Pursuing a bachelor's degree in actuarial science or a related field, 3.0+ GPA, Excel proficiency, analytical and communication skills; SOA exam and actuarial experience preferred.
Microsoft Excel
2d
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Manufacturing, Process & Operational Excellence Engineering Intern (Summer 2027)
Carthage or Beloit or Clinton or Shippensburg or Stephenville or Logan or Green Bay or Richland Center or West Bend or United States or North America
$22/hr OnsiteInternship, Temporary
Schreiber Foods
Schreiber Foods: Employee-owned global dairy providing cheese, yogurt, and beverages.
Sophomore-level or higher engineering student pursuing a BS, available for 10+ weeks and 40 hours weekly in Summer 2027, with analytical, problem-solving, communication, teamwork, and reliable transportation skills.
2d
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Actuarial Intern - Summer 2027 - IntelliScript
Brookfield or Milwaukee
$21-$46/hr OnsiteFull Time, Internship
Milliman IntelliScript
Milliman IntelliScript: Risk-assessment insurtech provider helping U.S. life and health insurers make faster underwriting decisions.
One actuarial exam passed; pursuing a bachelor's or master's in actuarial science, mathematics, or related quantitative field; proficiency with Microsoft Office tools; SQL, VBA, R, and data visualization experience preferred.
Microsoft Excel, VBA, Power BI, SQL, Microsoft Word, Microsoft PowerPoint, Microsoft Outlook, R
2d
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Field Engineer Intern - Summer 2027
Minneapolis or Chicago or Tucson or Tampa or Seattle or San Diego or Rochester or Phoenix or Milwaukee or Madison or Kansas City or Johnston or Jacksonville or Des Moines or Denver or Dallas or Cedar Rapids or Austin or Atlanta
$20-$25/hr OnsiteFull Time, Internship
Ryan Companies
Ryan Companies: National commercial real estate solutions provider.
Pursuing a bachelor's degree in construction engineering, construction management, or a related field; graduating within 18 months; available 40 hours weekly for at least three months.
2w
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Geotechnical Engineering Intern - Summer 2027
Milwaukee, Wisconsin, United States
$45k-$65k/yr HybridInternship
Jacobs Solutions Inc.
Jacobs Solutions Inc.NYSE: J: Global professional services firm for infrastructure and mission-critical projects.
Pursuing a bachelor's degree in Civil Engineering focused on Geotechnical Engineering, 3.0 GPA, Microsoft Office familiarity, and U.S. work authorization without visa sponsorship.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Ensoft, LPile, Group GeoStudio Slope, Sigma, GRLWeap, Civiltech Shoring Suite, Bentley gINT, Bentley MicroStation, AutoCAD
1w
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Intern - IT
Milwaukee or Pewaukee or Green Bay
$23-$28/hr HybridFull Time, Internship
WEC Business Services
WEC Business Services: Wholly owned centralized services providing administrative and general support to WEC Energy Group entities.
Pursuing a bachelor's or master's degree in a related technology field, graduating after June 2027; minimum 2.8 GPA; available full-time in summer 2027 and able to collaborate and communicate effectively.
C#, SQL Server, Oracle, Python, MQ, API services, Windows, UNIX, Linux, Storage Area Networks (SAN), Network Attached Storage (NAS), Database Management Systems (DBMS), Identity and Access Management, Active Directory
3w
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State & Local Tax Associates (BT Summer Intern Conversions Only)
Seattle or Milwaukee or Dallas or Tewksbury or Rancho Cordova or Everett or Portland or Irvine
$63k-$120k/yr OnsiteFull Time
Baker Tilly
Baker Tilly: Leading advisory, tax, and assurance firm.
Bachelor's in accounting, law, or related field; strong academic performance; internship status as Summer 2026 Baker Tilly Intern; skills in time management, communication, analysis, and Microsoft Suite; no immigration sponsorship available.
Microsoft Suite
1d
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Store Executive Intern (Store Leadership Intern) - Milwaukee, WI (Starting Summer 2027) ​ ​
Milwaukee or Brookfield or Glendale or West Milwaukee or West Allis or Wauwatosa or Delafield or Otsego or New Berlin or Waukesha
$24-$28/hr OnsiteInternship
Target
TargetNYSE: TGT: An American general merchandise retailer.
Previous retail experience preferred but not required; strong interest in store management, leadership skills, teamwork, communication, adaptability, independent workload management, and flexible availability.
1d
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Supply Chain Management Intern - Spring & Summer 2027
New Berlin, Wisconsin, United States
$20-$34/hr OnsiteInternship, Full Time
ABB
ABBSIX Swiss Exchange: ABBN: Global technology specializing in electrification and automation.
Currently enrolled in a bachelor's or master's program in engineering, supply chain, operations, business, or a related field; requires reliable transportation, U.S. work authorization, analytical skills, and task prioritization.
2mo
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Controls Technician - Summer Intern
Milwaukee, Wisconsin, United States
$18-$26/hr FieldFull Time, Internship
Trane Technologies
Trane TechnologiesNYSE: TT: Global climate innovator for buildings, homes, and transportation.
High school diploma required; valid driver's license required; familiarity with Microsoft Office and handheld computers; ability to document verifications, commission and troubleshoot controls and HVAC systems; willing to work overtime and occasional overnight stays.
Microsoft Office, Smartphone, iPad, direct digital control systems
3w
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Legal Intern (Year-Round)
Milwaukee, Wisconsin, United States
HybridMultiple Commitments Available
Clarios
Clarios: Global leader in advanced energy storage solutions.
Currently enrolled 1L or 2L law student; authorized to work in the U.S. without sponsorship; strong research, writing, analytical and communication skills; able to work hybrid hours (min 10 hrs/wk academic year, ~40 hrs/wk summer).
3mo
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Test Engineering Intern
Mequon, Wisconsin, United States
OnsiteInternship
Hayes Performance Systems
Hayes Performance Systems: Private US manufacturer of braking, suspension, wheel, and precision components for bicycle, powersports, heavy-equipment, and specialty-vehicle makers.
Pursuing a bachelor’s degree in engineering (junior standing preferred); part-time during school year (10–20 hours/week) and full-time in summer; hands-on, lab/testing interest; proficient with Word/Excel; comfortable with CAD; able to commute to Mequon, WI.
Word, Excel, CAD
2w
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Bilingual Human Resources Intern
Whitewater, Wisconsin, United States
OnsiteFull Time, Internship
Lavelle Industries
Lavelle Industries: Women-owned family manufacturer making custom rubber/plastic parts and consumer toilet-repair and pet products.
Pursuing a bachelor's degree in HR, communication, or a related field; fluent in English and Spanish; available 15–20 hours during the semester or full-time in summer; proficient with Microsoft Windows, Excel, Outlook, and Word.
Microsoft Windows, Microsoft Excel, Microsoft Outlook, Microsoft Word
3w
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Accounting Internship - Summer 2027
Pleasant Prairie, Wisconsin, United States
OnsiteInternship, Full Time
Uline
Uline: North America's leading distributor of shipping and packaging materials.
Junior-status college student pursuing a bachelor's degree in accounting; strong Excel skills, excellent work ethic, and attention to detail required.
Microsoft Excel
3w
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Accounting Internship - Summer 2027
Pleasant Prairie or Milwaukee or Waukegan or Glenview or Kenosha
OnsiteInternship, Full Time
Uline
Uline: North America's leading distributor of shipping and packaging materials.
Must be a junior pursuing a Bachelor's in accounting, strong Microsoft Excel skills, able to perform journal entries, reconciliations and financial analysis during a 12-week full-time internship.
Microsoft Excel
5d
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Operation Manager Intern (Starting Summer 2027) Regional Distribution Center - Oconomowoc, WI
Oconomowoc, Wisconsin, United States
$25/hr OnsiteFull Time, Internship
Target
TargetNYSE: TGT: An American general merchandise retailer.
Internship for students with leadership experience, strong communication, problem-solving, initiative, teamwork, and interest in retail supply chain operations; must handle merchandise and flexible shifts.
Warehouse Management System (WMS), Gemba, Fish Bone Analysis
2w
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Returning Intern Planner - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
Milwaukee or Valparaiso or Sterling Heights or East Lansing or Ashwaubenon or Jackson or Indianapolis or Downers Grove or Detroit or Allen Park or Cleveland or Grand Rapids or Columbus or Westfield or Blue Ash or Chicago or Minneapolis or Madison
$21-$35/hr OnsiteMultiple Commitments Available
HNTB
HNTB: Infrastructure design and construction management services firm.
Currently enrolled in a related undergraduate or graduate program; current or former HNTB internship experience preferred.
2w
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Returning Intern Planner - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
Milwaukee or Valparaiso or Sterling Heights or East Lansing or Ashwaubenon or Jackson or Indianapolis or Downers Grove or Detroit or Allen Park or Cleveland or Grand Rapids or Columbus or Westfield or Blue Ash or Chicago or Minneapolis or Madison
$21-$35/hr OnsiteMultiple Commitments Available
HNTB
HNTB: Infrastructure design and construction management services firm.
Currently enrolled in a related undergraduate or graduate program; current or former HNTB internship experience preferred.
Science, Planning, Technology
1w
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Summer 2027 Internship: Business Related Degrees
Brownsville, Wisconsin, United States
OnsiteInternship, Temporary
Michels Corporation
Michels Corporation: International infrastructure and energy construction contractor.
Currently pursuing a degree in business, finance, accounting, human resources, marketing, or a related field; valid driver license, acceptable driving record, and Microsoft Suite proficiency required.
Microsoft Suite
2w
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Returning Project Controls Intern - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
Allen Park or Ashwaubenon or Blue Ash or Chicago or Cleveland or Columbus or Detroit or Downers Grove or East Lansing or Grand Rapids or Indianapolis or Jackson or Madison or Milwaukee or Minneapolis or Sterling Heights or Valparaiso or Westfield
$21-$35/hr OnsiteMultiple Commitments Available
HNTB
HNTB: Infrastructure design and construction management services firm.
Currently enrolled in a related undergraduate or graduate program; basic research, data collection, records, graphics, presentations, and reports. AutoCAD or MicroStation experience preferred.
AutoCAD, MicroStation