98 summer intern jobs at 26 companies in Oconomowoc, WI
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Actuarial Intern, Summer 2027
Milwaukee, Wisconsin, United States
$17-$30/hr OnsiteFull Time, Internship
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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Research Intern, PhD, Summer 2027
Mountain View or Atlanta or Austin or Boulder or Cambridge or Bellevue or Chicago or Irvine or Kirkland or Madison or New York City or Palo Alto or Portland or Pittsburgh or Los Angeles or Raleigh or Durham or Redmond or Redwood City or San Diego or Goleta or San Bruno or Seattle or San Francisco or San Jose or Santa Cruz or Sunnyvale or Washington or Playa Vista or Los Angeles County or San Francisco or Washington or United States
$118k-$157k/yr OnsiteInternship, Full Time
Current PhD student in a technical field with computer science experience; English proficiency required. Programming, research, publications, and U.S. study experience preferred.
Python, Java, JavaScript, C, C++
1w
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Intern Audit Summer 2028 | Madison
Madison, Wisconsin, United States
OnsiteMultiple Commitments Available
Pursuing CPA exam eligibility, with 3.0 minimum cumulative GPA, accounting knowledge, communication and computer skills, reliable transportation, and legal US work authorization; visa sponsorship unavailable.
Microsoft Office
6d
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Intern Tax Summer 2028 | Madison
Madison, Wisconsin, United States
OnsiteInternship
0+ YOEPursuing CPA exam eligibility, maintaining a minimum 3.0 GPA, and demonstrating accounting knowledge, communication, computer, teamwork, problem-solving, and time-management skills.
Microsoft Office
1w
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Water Engineering Intern – Summer 2027
Milwaukee or Madison
$40k-$60k/yr HybridInternship
Pursuing a bachelor's degree in civil or environmental engineering; rising senior status, Microsoft Office knowledge, water treatment or water resources familiarity, and U.S. work authorization required.
Microsoft Office
2mo
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Software Developer Intern - Summer 2027 - Software Developer Intern - Summer 2027 - Careers (Accessibility)
Madison, Wisconsin, United States
OnsiteInternship
Pursuing BS/BA in CS/Software Engineering; junior standing or higher; eligible to work in the U.S. without visa sponsorship; willing to relocate to Madison, WI; COVID-19 vaccination.
3w
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Actuarial Intern Summer 2027 (CMH Health)
Chicago or Brookfield or Windsor
$21-$46/hr OnsiteFull Time
Pursuing a bachelor’s or master’s in a quantitative field, at least one actuarial exam passed, ability to work onsite four days/week, familiarity with Excel and basic actuarial concepts; Excel/VBA/Python/SAS exposure preferred.
Microsoft Excel, VBA, Python, SAS
1w
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Intern - IT
Milwaukee or Pewaukee or Green Bay
$23-$28/hr HybridFull Time, Internship
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
1mo
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Process Engineering Intern
Madison, Wisconsin, United States
OnsiteFull Time
Pursuing a bachelor's in Chemical, Mechanical, or Electrical Engineering; available full-time for Spring/Summer or Summer/Fall 2027; EHS compliance and manufacturing safety awareness; strong communication and data skills.
Microsoft Office, plant historian
2mo
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Controls Technician - Summer Intern
Milwaukee, Wisconsin, United States
$18-$26/hr FieldFull Time, Internship
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
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
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
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
1d
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Mercury Marine: Materials Engineering Intern
Fond du Lac, Wisconsin, United States
$18-$28/hr OnsiteFull Time, Internship
Current bachelor's enrollment in materials science, materials, metallurgical, polymer, or related mechanical engineering technology; 48 credits, two semesters of laboratory experience, and full-time summer availability required.
scanning electron microscope, X-ray diffractometer, spectrometer, automated microhardness tester, image analysis software, energy-dispersive spectrometer, differential scanning calorimeter, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
6d
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UX Internship - Summer 2027
Pleasant Prairie, Wisconsin, United States
OnsitePart Time, Internship
Junior-status college student pursuing a bachelor's degree in UX or a related field, with a UX portfolio and strong communication, presentation, organizational, and research skills.
6d
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UX Internship - Summer 2027
Pleasant Prairie or Milwaukee or Waukegan or Glenview or Kenosha
OnsiteFull Time, Internship
Open to junior-status college students pursuing a bachelor's degree in UX Design or a related field; requires a UX portfolio, curiosity about users, and strong communication, presentation, and organizational skills.
1w
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Summer 2027 Sales Internship
Dubuque or Madison or Kansas City
HybridInternship
Currently enrolled in a bachelor's program, preferably business or marketing. Requires strong communication, organization, interpersonal, and Microsoft Office skills; sales experience is preferred but not required.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Office
2d
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Operation Manager Intern (Starting Summer 2027) Regional Distribution Center - Oconomowoc, WI
Oconomowoc, Wisconsin, United States
$25-$28/hr OnsiteInternship, Full Time
School or extracurricular participation, leadership experience, interest in retail supply chain, clear communication, problem-solving, initiative, teamwork, flexibility for nights, weekends, holidays, and physical merchandise handling.
WMS, Gemba, Fish Bone Analysis
2d
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Operation Manager Intern (Starting Summer 2027) Regional Distribution Center - Oconomowoc, WI
Oconomowoc, Wisconsin, United States
$25/hr OnsiteFull Time, Internship
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
2mo
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2027 JFG Summer Internship Program Interest
Racine, Wisconsin, United States
OnsiteInternship
Junior standing required; open to students seeking a 10-week rotational internship to gain hands-on experience across commercial banking, wealth, real estate, and corporate functions.
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