Construction Internship Jobs in St. Louis

5 listed openings in the St. Louis market at specialty contractors, including Mechanical & Industrial, Concrete & Sitework, Concrete / Sitework. Listings updated November 2, 2026.

5 openings. Updated November 2, 2026.

Showing 1–5 of 5 openingsUpdated weekly

Project Engineer Co-op (January 2027)

ACME Constructors, Inc. · Mechanical/HVAC

Added 2026-09-25

St. Louis, MOInternships · Project EngineerEmployer careers

Project Engineer Co-op (May 2027)

ACME Constructors, Inc. · Mechanical/HVAC

Added 2026-09-25

St. Louis, MOInternships · Project EngineerEmployer careers

Project Manager Co-op (Spring/Summer 2027)

Midwest Concrete Constructors · Concrete/Sitework

Added 2026-09-25

Richmond Heights, MOInternships · Project ManagementEmployer careers

Project Manager Co-op (Summer/Fall 2027)

Midwest Concrete Constructors · Concrete/Sitework

Added 2026-09-25

Richmond Heights, MOInternships · Project ManagementEmployer careers

Project Manager Intern (Summer 2027)

Midwest Concrete Constructors · Concrete/Sitework

Added 2026-09-25

Richmond Heights, MO, USInternships · Project ManagementView posting

Browse related roles

Estimating Project Management Project Engineer BD/Sales Detailing/BIM Safety Admin/Accounting

Nearby and regional markets

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Roles by trade in St. Louis

Mechanical/HVAC · Project Management Plumbing · Project Management Concrete/Sitework · Project Management Mechanical/HVAC · Project Engineer Mechanical/HVAC · Detailing/BIM Plumbing · Detailing/BIM Concrete/Sitework · Internships

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