Intern / Trainee jobs in St. Louis, Missouri

87 open Intern / Trainee jobs in St. Louis, Missouri (9 posted in the last 7 days), collected from employers’ own career pages and checked twice a day. Every listing links to the company’s site to apply.

Latest openings

• Power Emphasis Electrical Engineering Co-Op

  Ameren · St. Louis
  Posted 2026-10-19
• Pharmacy Intern, Managed Care Formulary Strategy (PharmD student)

  Thecigna Group · St. Louis · Hybrid
  Posted 2026-10-19
• Pharmacy Intern, Managed Care Formulary Strategy (PharmD student)

  The Cigna Group · St. Louis · Hybrid
  Posted 2026-10-19
• 2027 Summer Intern: Operations - SAP Data Analytics

  Hubbell · St. Louis
  Posted 2026-10-17
• 2027 Summer Intern: Operations - Business Intelligence & Analytics

  Hubbell · St. Louis
  Posted 2026-10-17
• 2027 Summer Intern: Test Engineering

  Hubbell · St. Louis
  Posted 2026-10-17
• 2027 Summer Intern: Operations - PLM

  Hubbell · St. Louis
  Posted 2026-10-07
• 2027 Summer Intern: Marketing - Content Development

  Hubbell · St. Louis
  Posted 2026-09-26
• 2027 Summer Intern: Marketing - Events

  Hubbell · St. Louis
  Posted 2026-10-07
• 2027 Summer Intern: Product Marketing - UX Design

  Hubbell · St. Louis
  Posted 2026-10-02
• 2027 Summer Intern: Finance - Reporting & Automation

  Hubbell · St. Louis
  Posted 2026-09-21
• 2027 Summer Intern: Finance - Pricing Operations

  Hubbell · St. Louis
  Posted 2026-10-10
• 2027 Summer Intern: Finance - Pricing Analytics

  Hubbell · St. Louis
  Posted 2026-10-07
• Intern - Systems Engineer, Summer 2027

  Enterprise Mobility (formerly Enterprise Holdings) · St. Louis · Hybrid
  Posted 2026-10-02
• Supervisor Trainee Internship Summer 2027

  Enterprise Mobility (formerly Enterprise Holdings) · St. Louis
  Posted 2026-09-09
• Summer 2027 Management Trainee Internship

  Enterprise Mobility (formerly Enterprise Holdings) · St. Louis
  Posted 2026-09-21
• Technology Design Intern - St. Louis, MO

  IMEG · St. Louis
  Posted 2026-10-09
• Completions Trainee

  Gulfstream Aerospace · St. Louis
  Posted 2026-08-26
• Summer 2027 - Cust Completions - Collegiate Associate (STL)

  Gulfstream Aerospace · St. Louis
  Posted 2026-09-22
• Spring 2027 - Cust Completion - Collegiate Associate (STL)

  Gulfstream Aerospace · St. Louis
  Posted 2026-09-22
• Completions Trainee

  Gulfstream Aerospace · St. Louis
  Posted 2026-09-29
• Intern - AI Agent and Analytics

  Bi-State Development · St. Louis
  Posted 2026-09-30
• Environmental Internship

  Loureiro Engineering Associates, Inc. · St. Louis
  Posted 2026-10-09
• Digital Marketing Intern

  Blayzer Digital · St. Louis
  Posted 2021-07-15
• Clinical FSN Intern

  Epworth Children & Family Services · St. Louis
  Posted 2025-12-17
• Summer 2027 Partnerships & Organizing Internship/Practicum

  ArchCity Defenders · St. Louis
  Posted 2026-09-16
• Spring 2027 Fundraising, Grant Writing, & Development Internship

  ArchCity Defenders · St. Louis
  Posted 2026-09-15
• Spring 2027 Partnerships & Organizing Internship/Practicum

  ArchCity Defenders · St. Louis
  Posted 2026-09-15
• Fall 2026 Fundraising, Grant Writing, & Development Internship

  ArchCity Defenders · St. Louis
  Posted 2026-08-07
• Exhibit Design Intern

  Missouri Historical Society · St. Louis
  Posted 2026-09-21
• Digital Communications Intern

  Missouri Historical Society · St. Louis · Hybrid
  Posted 2026-09-22
• Library Research Assistant Intern

  Missouri Historical Society · St. Louis
  Posted 2026-09-28
• Membership Intern

  Missouri Historical Society · St. Louis
  Posted 2026-09-29
• 2027 Summer Internship

  Goodwin Brothers Construction Company · St. Louis
  Posted 2026-10-05
• People Solutions Intern - June 2027

  Search · St. Louis
  Posted 2026-10-04
• Electrical Engineering Intern | St. Louis, MO

  IMEG · St. Louis
  Posted 2026-08-26
• Structural Engineering Intern | St. Louis, MO

  IMEG · St. Louis
  Posted 2026-08-31
• Chemist Intern - Summer 2027

  RPM International Inc. · St. Louis
  Posted 2026-09-08
• R&D Large Scale Fireproofing Intern - Summer 2027

  RPM International Inc. · St. Louis
  Posted 2026-09-08
• Digital Marketing Intern - Summer 2027

  RPM International Inc. · St. Louis
  Posted 2026-09-08
• IT Intern / Co-Op

  RPM International Inc. · St. Louis
  Posted 2026-09-08
• Transportation Intern - Summer 2027

  RPM International Inc. · St. Louis
  Posted 2026-09-08
• Finance Intern - Summer 2027

  RPM International Inc. · St. Louis
  Posted 2026-09-08
• Purchasing Intern - Summer 2027

  RPM International Inc. · St. Louis
  Posted 2026-09-08
• Credit Intern - Summer 2027

  RPM International Inc. · St. Louis
  Posted 2026-09-08
• iCenter Co-op (June-Dec)

  Emerson Electric · St. Louis
  Posted 2026-09-11
• iCenter Co-op (Jan-Aug)

  Emerson Electric · St. Louis · Hybrid
  Posted 2026-09-23
• Early Careers: Retirement Actuarial Internship - Midwest-2027

  Willis Towers Watson · St. Louis · Hybrid
  Posted 2026-09-02
• Winter/Spring 2028 Assurance Intern

  RubinBrown LLP · St. Louis
  Posted 2025-11-10
• Winter/Spring 2028 Business Tax Intern

  RubinBrown LLP · St. Louis
  Posted 2026-01-26

Also see

• Entry-level Intern / Trainee jobs in St. Louis, Missouri 87

Intern / Trainee jobs in other cities

• New York, New York 693
• Chicago, Illinois 423
• Houston, Texas 289
• Atlanta, Georgia 244
• Dallas, Texas 236
• San Francisco, California 220
• Boston, Massachusetts 204
• Austin, Texas 202
• Indianapolis, Indiana 185
• Los Angeles, California 162
• Columbus, Ohio 162
• Cincinnati, Ohio 144
• Philadelphia, Pennsylvania 143
• Omaha, Nebraska 138
• Phoenix, Arizona 126
• Pittsburgh, Pennsylvania 120
• Nashville, Tennessee 119
• Raleigh, North Carolina 118
• Denver, Colorado 116
• Charlotte, North Carolina 113
• Seattle, Washington 102
• San Diego, California 102
• San Antonio, Texas 96
• Minneapolis, Minnesota 95
• Cedar Rapids, Iowa 95

Other roles in St. Louis, Missouri

• Program / Project Manager 74
• Physician / Doctor 66
• Technician (general) 62
• Maintenance Technician 61
• Executive / Director 58
• Automotive / Service Technician 56
• Production / Machine Operator 51
• Sales Representative 48
• Registered Nurse (RN) 45
• Janitor / Custodian / Cleaner 44
• Software Engineer 43
• Server / Bartender / Host 42
• Delivery / Truck Driver 41
• Retail Sales Associate 36
• Patient Care / Caregiver 36
• Customer Service Representative 36
• Behavioral Health / Therapist 36
• Store / Shift Manager 34
• Warehouse Associate / Material Handler 33
• Account Manager / Key Account 33
• Teacher / Tutor 31
• Audit / Tax 31
• Office / Operations Coordinator 30
• Social Worker / Case Manager 29

Questions

How many Intern / Trainee jobs are open in St. Louis, Missouri right now?

87 listings are open on OpeningsFirst today, all from employers’ own career pages. 9 more were posted in the last 5 days and went to subscribers first.

Which companies are hiring for Intern / Trainee roles in St. Louis, Missouri?

Recent openings here come from Ameren, Thecigna Group, The Cigna Group, Hubbell, Enterprise Mobility (formerly Enterprise Holdings), IMEG, Gulfstream Aerospace, Bi-State Development.

How do I hear about new Intern / Trainee jobs in St. Louis, Missouri first?

Subscribers get new matching jobs by email at 8 am and 6 pm, 5 days before they open on these pages. It costs $9 a month.

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