47 operation intern jobs at 27 companies in Union, MO
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Intern to Intern Conversion – Business Functions (All) (Summer 2026 Intern Program)
Everett or Huntsville or Charleston or Tinker Air Force Base or Oklahoma City or Berkeley or Huntington Beach or Hazelwood or Germantown or El Segundo or China Lake or Arlington or Ridley Park or Tukwila or North Charleston or Kennedy Space Center or Fairfax or Houston or Colorado Springs or Chicago or Long Beach or Renton or Saint Louis or Dallas or Seattle or Auburn or Philadelphia or San Antonio or Kent or Mesa
$38k-$64k/yrOnsiteFull Time, Internship
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Must be enrolled in a bachelor's or higher program (graduation on/after Aug 2027), be available full-time for a 10-12 week Summer 2027 internship, and have previously interned with Boeing.
Core & MainNYSE: CNM: Distributes products for water, wastewater, and fire protection infrastructure.
0+ YOECurrently pursuing a BS or BA degree, with superior academic performance, strong analytical skills, strong communication, willingness to learn, and no more than two years of professional experience excluding internships.
Republic Finance: Provider of personal loans and flexible consumer lending options.
Current college junior or senior in Business/Finance or related field, able to work 18–20 hrs/week, strong communication and organizational skills, pass background/credit/drug screens, eligible for state insurance licensing.
Love's Travel Stops & Country Stores: Operates a nationwide network of travel stops and convenience stores.
Currently enrolled in a two- or four-year business, management, hospitality, or related program; able to pass drug screening and background checks and perform physical duties.
Walgreens: Retail pharmacy providing prescriptions and health and wellness products.
Candidate must hold a PharmD prior to start, be willing to obtain pharmacist licensure within 90 days, be or become a certified immunizer, and perform pharmacy compounding, dispensing, patient counseling and pharmacy operations.
Republic Finance: Provider of consumer personal loans and auto financing solutions.
Current college junior or senior majoring in business, finance, or a related field; availability for 18–20 hours weekly; strong communication and organization skills; licensing eligibility and required background, credit, and drug screening.
Leonardo DRSNASDAQ: DRS: Manufactures advanced electronic systems for defense and military applications.
High school diploma or GED and current junior-level or above enrollment in a bachelor's program; basic knowledge of C, C++, C#, Java, Python, git, operating systems, and Microsoft Office.
Sustainability, Community and Inclusive Engagement Intern
St. Louis, Missouri, United States
$21-$30/hrOnsiteFull Time, Internship
AmerenNYSE: AEE: Generates and distributes electric and natural gas utility services.
Current bachelor's or master's student with a 2.5 GPA; requires analytical, communication, human relations, teamwork, adaptability, and project management skills. Sustainability, marketing, analytics, or public policy preferred.
Microsoft Teams, Microsoft SharePoint, Microsoft Excel, Microsoft Office, WordPress
Sustainability, Community and Inclusive Engagement Intern
St. Louis, Missouri, United States
$21-$30/hrOnsiteFull Time, Internship
AmerenNYSE: AEE: Provides electric and natural gas utility services in the Midwest.
Current bachelor's or master's student with a 2.5 GPA, strong data collection, analytical, communication, project management, and teamwork skills; Microsoft Office and Excel proficiency preferred.
Microsoft Teams, Microsoft SharePoint, Microsoft Excel, Microsoft Office, WordPress
Recruiting Intern Summer 2026 - Distribution |St. Louis, MO
Creve Coeur, Missouri, United States
$17-$18/hrOnsiteMultiple Commitments Available
BunzlLondon Stock Exchange: BNZL: Global distributor of essential non-food consumables and services.
Pursuing a Bachelor's in HR/Business, available full-time onsite Summer 2026 (40 hrs/wk). Responsibilities include screening candidates, scheduling interviews, using ATS and Microsoft Teams, and supporting recruiting operations.
Microsoft Teams, LinkedIn, Applicant Tracking System (ATS)
Minneapolis or Savage or East St. Louis or Linden or Albion
$22-$30/hrOnsiteInternship
Cargill: Produces and distributes food, agricultural, and industrial products globally.
Must be pursuing a Bachelors or Masters (graduating Dec 2027–May 2029), right to work in the U.S., willing to relocate, work rotating shifts and weekends, able to work outdoors and at heights, and possess strong communication and teamwork skills.
Boeing Summer 2027 Internship Program (Paid) – Security & Fire Operation (S&FO)
Everett or Saint Charles or Huntsville or Charleston or Oklahoma City or Berkeley or Huntington Beach or Hazelwood or El Segundo or Herndon or Plano or Arlington or Ridley Park or Tukwila or North Charleston or Fairfax or Colorado Springs or Chicago or Seal Beach or Mukilteo or Long Beach or Atlanta or Renton or Dallas or Seattle or Auburn or Bellevue or San Antonio or Kent or Mesa
$44k-$89k/yrOnsiteInternship, Full Time
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
Currently enrolled college or university student graduating August 2027 or later; available full-time for 10–12 weeks in Summer 2027. Strong academic performance preferred.
(18yrs+ to apply) Assistant Produce Manager - Seven Hills
O'Fallon, Illinois, United States
$16-$21/hrOnsiteFull Time
Schnucks: Midwest supermarket chain providing groceries and pharmacy services.
Assist Produce Manager in daily store operations; full-time role; internal candidates preferred; good standing; interview approval based on performance.
Sports Management, Tournament Operations Internship | 2026 Fall
O'Fallon, Missouri, United States
FieldInternship
Lafayette Aviators: Collegiate summer baseball team and sports entertainment provider.
Internship providing experience in event management, marketing, logistics, staff management, POS operation, and customer service for youth and high school baseball/softball tournaments.
AIT Worldwide Logistics: Global freight forwarding and supply chain solutions provider.
7+ YOE3+ MgmtBachelor's degree or equivalent,7+ years freight forwarding experience with air/ocean operational background,3+ years multi-station P&L experience,negotiation/procurement skills,ability to meet P&L objectives and lead global teams.
Operations Manager- St. Louis Lambert International Airport (STL1) (Internal Posting)
Berkeley, Missouri, United States
OnsiteFull Time
PrimeFlight Aviation Services: Provides comprehensive ground and passenger support services for airports.
5+ Mgmt5 years leadership/operational experience; valid driver’s license; able to travel >75%; English communication; background check and drug screen; 18+; eligible to work in the United States.
Austin or St. Louis or Philadelphia or Duluth or Brunswick or Atlanta or Dallas
OnsiteFull Time
Armanino: Provides accounting, tax, and consulting services to diverse organizations.
2+ YOEBachelor's in Accounting/Finance required; 2+ years public accounting or corporate internal audit; strong SOX/COSO/GAAP/GAAS knowledge; supervisory experience; Microsoft Office and Adobe Acrobat experience; progress toward CPA/CIA preferred.
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.
Graybar: Distributes electrical, communications, and data networking products.
5+ YOEMinimum 5 years in internal audit/accounting/operations, 4-year degree required, knowledge of GAAP and sampling, strong analytical and communication skills, ability to travel up to 25%.
MileOne Autogroup: Operates a network of automotive dealerships and service centers.
Automotive experience preferred, knowledge of basic vehicle functions, document interpretation, MS Office and computer proficiency, mathematics, communication skills, and a valid driver's license with a clean recent driving record.