Project Management Intern Jobs in Mount Pleasant, SC

Are you a problem-solver who’s energized by project management, construction, field coordination, and the challenge of powering large-scale construction projects? Do you thrive in collaborative environments and take pride in doing the right thing with integrity and precision? 

If you answered “Yes!” — this opportunity was designed with you in mind. 

At ARCO & GSC Design/Build, we’re not just constructing buildings — we’re developing the next generation of leaders in construction. Join us and experience what it means to be part of one of the nation’s top design/build construction firms. 

Our culture is built on four core values: 

• Treat people fairly and do the right thing 

• Understand our customers’ business and solve their problems 

• Be positive, upbeat, and have fun 

• Create opportunities for individual financial success based on merit 

What you’ll get as part of our internship/co-op program: 

• Competitive hourly pay with overtime opportunities 

• Housing stipend available based on need 

• Medical, dental, and vision insurance (for internships 3+ months) 

• Professional development through training, mentorship, and project exposure 

• Company-sponsored lunches, happy hours, and networking events 

• Fully stocked kitchens with snacks, coffee, and drinks 

• A fast-paced, inclusive, and supportive environment 

At ARCO & GSC, you’re more than just an intern — you’re part of a team that invests in your growth from day one. 

As an Project Manager Intern/Co-op, you’ll gain firsthand exposure to the electrical scope of industrial and commercial projects — from preconstruction through closeout. You’ll work directly with project managers and trade partners to bring high-performance facilities to life. 

Here’s what you can expect: 

• Design-Build Process – Learn how we manage design/build projects within fully integrated projects from concept to completion 

• Design/Build Projects Estimating & Takeoffs – Assist in evaluating design documents and preparing Design/Build cost estimates 

• Design Coordination – Attend meetings with engineers, architects, and project teams to ensure  design aligns with project goals 

• Scheduling Support – Help develop and monitor schedules specific to all trades and equipment installation 

• Permitting & Code Compliance – Support the permitting process and learn how project designs adhere to NEC and local codes 

• Procurement & Buyout – Prepare bid packages, distribute to subcontractors, compare proposals, and assist with award recommendations 

• Submittals & Shop Drawings – Track project submittals, route documents for approval, and coordinate communication with subcontractors 

• Field Support – Join PMs and Superintendents on site visits to monitor  installation, troubleshoot challenges, and ensure alignment with the construction schedule 

• Billing & Documentation – Learn how to manage project scopes through pay applications, change orders, and progress tracking 

• Training & Development – Participate in technical training, hands-on learning, and biweekly development sessions hosted by our Learning & Development team 

• Business Development Exposure – Get a behind-the-scenes look at how we build client relationships and deliver tailored design/build solutions across industries 

No matter your background, you’ll leave this experience with practical knowledge of design/build construction project management and a strong foundation for your future. 

• • Enrolled in an accredited Mechanical/Electrical/Plumbing/Civil/Structural Engineering, Construction Engineering, Building Systems, or Construction Management undergraduate or graduate program (other related majors considered) 
  • Excellent communication skills, attention to detail, and a willingness to learn 
  • Prior co-op or intern experience in engineering or general construction (preferred, not required) 
  • GPA of 3.0 or higher (preferred, not required) 

With 38 offices across the U.S., ARCO & GSC Design/Build is one of the fastest-growing construction firms in the nation — and we’re just getting started. Ranked #3 on ENR’s Top 100 Design-Build Firms, we specialize in high-quality, large-scale industrial and commercial projects driven by innovation, speed, and partnership. 

We’re proud to be 100% associate-owned, meaning every full-time team member has a stake in our shared success through our Employee Stock Ownership Plan (ESOP). 

Whether you’re looking to gain experience, grow your technical expertise, or launch your career — this is more than an internship. It’s your opportunity to make an impact alongside people who want to see you succeed. 

ARCO & GSC does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies without pre-approval from our Human Resources team. We will not be responsible for any fees related to unsolicited resumes or candidates submitted directly to hiring managers. 

#LI-JF1 #LI-Onsite 

EOE, including disability/vets

• • Enrolled in an accredited Mechanical/Electrical/Plumbing/Civil/Structural Engineering, Construction Engineering, Building Systems, or Construction Management undergraduate or graduate program (other related majors considered) 
  • Excellent communication skills, attention to detail, and a willingness to learn 
  • Prior co-op or intern experience in engineering or general construction (preferred, not required) 
  • GPA of 3.0 or higher (preferred, not required)