365 internship jobs at 189 companies in O'Fallon, IL
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Human Services Internship
Madison County or St. Clair County
OnsiteInternship
Chestnut Health Systems: Provider of integrated behavioral health, addiction, and primary care.
Enrollment in a Human Services program; minimum age 21; schedule Monday–Friday; internship capacity 3–4 per semester; interest in recovery-oriented care.
St. Louis Community College: Public community college offering associate degrees and continuing education.
3+ YOE3 years full-time equivalent experience in education or related business/workforce development roles; bachelor’s degree and experience preferred. Must develop employer partnerships, coordinate internships/apprenticeships, prepare and monitor students, and ensure program compliance.
FC Tulsa: Professional soccer team competing in the USL Championship.
Unpaid internship seeking college credit; requires willingness to learn, positive attitude, interest in sports, and ability to assist with sales, marketing, community outreach, and game-day tasks.
Greater St. Louis Area Council: Provides outdoor youth programs and leadership training in St. Louis.
High school diploma or current college student; strong written and verbal communication; Microsoft Office proficiency; interest in non-profit/Scouting; approximately 20 hrs/week; internship term 12–16 weeks (Fall 2026).
Florence Y'alls: Professional independent baseball team in the Frontier League.
College-credit internship; authorized to work in the U.S.; valid driver's license; able to lift up to 50 lbs; available for long days, evenings, weekends, and holidays; teamwork and problem-solving skills required.
Social Media Content Creator Internship | 2026 Fall
O'Fallon, Missouri, United States
OnsiteInternship
Lafayette Aviators: Collegiate summer baseball team and sports entertainment provider.
Internship for candidates with graphic design, photography, or videography skills; social media account management and on-site event support experience preferred.
Synergy Wealth Solutions: Personal and business financial planning and insurance services.
Current college student, recent graduate, or early-career candidate; strong communication, interpersonal, and organizational skills; motivated, coachable, and comfortable in a client-facing, fast-paced environment.
Nooter/Eriksen: Designs and manufactures heat recovery steam generators and boilers.
Must have completed three years toward a BS in engineering, basic engineering fundamentals, ability to read technical drawings, strong communication and teamwork skills.
Unpaid Intern - Digital News St. Louis Unpaid Internship - Fall
St. Louis, Missouri, United States
OnsitePart Time
Nexstar Media GroupNASDAQ: NXST: Operates a large network of local television stations.
College-credit internship for juniors/seniors studying broadcast journalism, video production or communications; advanced skill level, collaborative, able to follow safety and confidentiality rules.
International Institute of St. Louis: Providing comprehensive resettlement and support services for immigrants.
Organized, reliable students with strong communication skills who can work independently and in teams; interest in nonprofit or social impact; availability for a semester at 10–20 hours/week.
College Financial Representative, Internship Program
Fairview Heights, Illinois, United States
$500-$1k/yrOnsiteInternship
Northwestern Mutual: Provides life insurance, wealth management, and financial planning services.
Full-time college student (juniors/seniors preferred), entrepreneurial, strong time-management, interest in financial planning, ability to prospect and network, eligible for state insurance licensing and securities registrations.
Keeley Companies: Provides construction, infrastructure, development, and restoration services nationwide.
Currently pursuing a bachelor’s in civil engineering, construction engineering, construction management, or related; strong communication, problem-solving, and teamwork skills; ability to work independently and complete assessments and drug screen.
Entertainment Consulting International: Operates sports-anchored dining and entertainment districts nationwide.
Currently enrolled in a hospitality management or related degree; strong communication, organization, Microsoft Office skills; passion for hospitality; previous hospitality/customer service experience is a plus.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
Retail Sales & Services Associate Internship- Fall 2026
Saint Louis, Missouri, United States
$15/hrOnsiteInternship
Girl Scouts of Eastern Missouri: Empowering girls through leadership, community, and outdoor educational programs.
Enrolled college student (associate/bachelor/graduate), completed ≥1 semester, pursuing relevant degree; eligible up to 20 hrs/week during school year; learn customer service, inventory and merchandising.
2027 Wealth & Investment Management Summer Internship - Early Careers
Charlotte or St. Louis
OnsiteMultiple Commitments Available
Wells FargoNYSE: WFC: Global provider of banking, investment, and mortgage financial services.
0.5+ YOERising-senior pursuing a relevant bachelor’s (expected Dec 2027–Jun 2028); 6+ months work experience or equivalent; authorized to work in the US without sponsorship; FINRA background screening required; willingness to travel ~5%.
2027 TRC Fall Internship - St. Louis, Kansas City, or Nashville
Maplewood or Kansas City or Nashville
OnsiteMultiple Commitments Available
UHY: Provides specialized tax, audit, and business consulting services.
0+ YOE0–1 year relevant experience; high school diploma or GED; actively pursuing a bachelor’s in accounting, information systems, or similar; knowledge of IT risk frameworks (SOC, PCI, HIPAA, NIST); controls testing, documentation, and time tracking skills.