Interior Design Intern; Summer

About You

We're adding an Interior Design Intern to our team in St. Louis (Richmond Heights). Because GMA is committed to creating opportunities for individual success, from day one, you will be given the tools to excel in your role, take on meaningful responsibilities, and experience why GMA is truly the best place to build your career. GMA partners with a top ENR design-build firm to provide services including creative design, project management, ADA/code compliance, building assessment and reuse, additions and renovations, historic preservation, master planning, interior design, space planning, structural analysis and design, and construction administration.

At GMA, an Intern has the opportunity to assist Interior Designers with the following:

• Assist with space planning to enhance function, safety, and aesthetics of interior
• Work with the team to generate interior architectural floor plans, reflected ceiling plans, elevations and details for both permit and construction document
• Incorporate corresponding material specifications and schedules related to architectural documents for use in bidding and final specifications
• Assist in updating material library and meet with product manufacturer’s representatives
• Collaborate with team members to prepare presentation materials as required, including but not limited to colored plans, colored elevations, 3D renderings, digital and physical finish palettes
• Coordinate with construction project managers, architects, and other design disciplines as necessary through all phases of the project
• Work with designers to advise client on interior design factors such as space planning, layout, and utilization of furnishings or equipment, and color coordination
• Review of product submittals related to interior finishes

• Enrolled in Architectural Bachelor’s or Master’s degree program, with a minimum 3.0 GPA
• Previous Internship or Coop experience preferred
• Internship or classwork experience in Revit, AutoCAD, Enscape and Photoshop preferred but not required

• Competitive hourly rate (with overtime possible)
• Housing stipend (based on need)
• Internship hours count towards our ESOP eligibility
• End-of-term performance bonus based on merit
• Path to full time position
• Sign-on bonus for each term served if hired as a full-time associate following graduation
• Direct access to leaders
• Intern training program to learn real world skills
• 2 formal reviews during your Internship to enhance learning opportunities
• Engagement events

We are proud to be one of the fastest-growing, privately-owned companies in America, celebrating over 30 years of experience as design-build experts. We have completed over 7,500 design-build projects nationwide. We ranked #9 on ENR’s Design-Build Firms list and #34 on ENR's Top 400 Contractors list of 2026. Most importantly, our clients like us, trust us, and want to do business with us.

We are looking for people with the same enthusiasm, passion, and respect for the hard work that brought us to where we are today. Are you a person who can make a difference at ARCO? If the answer is “Yes!” we look forward to meeting you.

EOE, including disability/vets