8 2026 intern jobs at 7 companies in Belvidere, IL
1w
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Intern - Eastern District - Fall 2026
Woodcliff Lake or Washington or Chicago or Decatur or Itasca or Cayuga or Kittery or Baltimore or Ellicott City or Portsmouth or Albany or Astoria or New York City or Homer City
$18-$25/hr FieldMultiple Commitments Available
Pursuing an undergraduate or graduate degree in civil engineering, electrical engineering, construction management, or related field; able to travel, relocate, work full-time in summer, and access construction sites.
EPC
3mo
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NSC Intern (923)
Beloit, Wisconsin, United States
OnsiteTemporary, Part Time
0+ YOEPart-time legal internship for a law student; ABA-accredited; strong writing/research/communication; Beloit, WI; May–Aug 2026.
Westlaw, Microsoft Word, Microsoft Excel
2mo
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Sales Management Trainee Intern- Rockford, IL Fall 2026
Rockford, Illinois, United States
$16/hr OnsiteTemporary
0+ YOESenior enrolled for Fall 2026; 6+ months customer service/sales/leadership; valid driver’s license with ≤2 violations; no recent DUI/DWI; US work authorization; 10–11 week commitment; 25 hours/week.
2mo
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Sales Management Trainee Intern- Dekalb, IL Fall 2026
Dekalb, Illinois, United States
$16/hr OnsiteAll Commitments Available
Senior enrolled for fall 2026; 6 months customer service/sales/leadership; valid driver’s license with ≤2 moving violations in 3 years; no disqualifying DUI in 5 years; US work authorization; 10–11 week internship; 25 hours/week.
2w
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Human Resources Intern (Fall/Winter 2026)
Wheaton, Illinois, United States
$20/hr OnsitePart Time
0+ YOEBachelor's in HR or related,0–1 years experience,strong communication,time management,Microsoft Office/Google Workspace familiarity,ability to work 20 hrs/week and learn HRIS/ATS.
Microsoft Office Suite, Google Workspace, HRIS, ATS
5d
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Intern - Network Operations Center, Training (Summer 2026)
Arlington Heights, Illinois, United States
$19-$24/hr OnsiteFull Time, Temporary
Internship for MBA and undergraduate students supporting training in a network operations center.
2d
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Power Generation Mechanical Engineering Intern
Germantown or Union Grove or Watertown or Concord or Paris or Milwaukee or United States
$23-$28/hr OnsiteFull Time, Internship
Current mechanical or related engineering degree pursuit, graduation after June 2026, minimum 2.8 GPA, high school diploma/GED/HSED, and valid driver's license.
Power Plant
2w
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Full Time Internal Substitute
Fox Lake, Illinois, United States
OnsiteFull Time
Professional Educator License preferred; substitute or building substitute for 2026-2027 school year; immediate opening.