Interior Design Intern (Summer 2026)

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, we are committed to taking care of our greatest asset – our team. ARCO’s best-in-class benefits and superior compensation are what set us apart from the competition and continue to attract top industry talent.

• 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
•  

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 

GMA partners with a premier, full-service design-build general contractor with more than 30 years of experience providing clients with complete project delivery nationwide. With over 6,300 projects completed coast to coast, we pride ourselves on offering the best, most cost-effective, single source, turnkey solutions and adding value to every project. Because we believe in creating opportunities for individual success among our associates, we are a 100% associate-owned company. Through our Employee Stock Ownership Plan (ESOP), each associate holds a stake in the company, placing the benefits of our success directly in the hands of those who drive it.

We are consistently recognized as a top workplace in multiple markets nationwide and our partner is ranked as a top ten design-build firm in the U.S. and the largest domestic builder of distribution and warehouse space by Engineering News-Record.

GMA does not accept unsolicited resumes from third-party agencies or individual recruiters without prior approval from the Talent Acquisition team. Any unsolicited resumes, including those sent directly to hiring managers or other employees, become GMA property, and no fees will be paid for any placement resulting from the receipt of an unsolicited resume. Any candidate information submitted will be considered as a referral to GMA without a fee. Agencies must have a fully executed vendor agreement with GMA as well as written approval to submit candidates from the GMA TA Manager for the specific position before submitting candidates.

EOE, including disability/vets