Assistant Project Manager (Commercial HVAC) at GSM Services – Gastonia, North Carolina

About GSM Services

GSM Services has been providing high-quality home and commercial improvement services to the Greater Charlotte area since 1927. We offer a wide variety of services for residential and commercial properties, including heating and cooling, insulation, and roof repair and replacement.

The great people we add to our team enjoy a fun, friendly workplace where we provide training and benefits to allow us to keep them for years. Our high standards and uncompromising commitment to customer satisfaction has made GSM Services a success and a great place to work. We are always looking for qualified individuals who are willing to provide the highest quality of work possible. GSM Services wants to be the best place to work in our region and it takes teamwork to come together, work together and succeed together.

Experience: 2 years preferred
Salary Range: $40,000 - $55,000 (based on experience)
Location: Gastonia NC

GSM Services is growing, and we’re looking for a motivated Assistant Project Manager to join our Commercial HVAC team. This role is ideal for someone with hands-on mechanical design experience who thrives in a collaborative environment and wants to grow into a long-term career in project management.

You’ll work closely with estimators, sales advisors, engineers, project managers, and field teams to help design, coordinate, and transition projects from concept through completion.

As an Assistant Project Manager, you will support the planning, design, coordination, and execution of commercial HVAC projects.

Key responsibilities include:

• Assist in the design and development of HVAC
• Support the transition of projects from estimators and sales advisors to field project managers
• Perform load calculations, energy simulations, equipment selections, and life-cycle cost analyses
• Develop and maintain project engineering scopes alongside Project Managers
• Create HVAC design documents including duct sizing and routing, air distribution, pipe sizing, and layouts
• Ensure designs comply with applicable codes, standards, and regulations
• Coordinate mechanical requirements with architects and electrical, structural, and civil engineers
• Help finalize estimates and proposals for production and field use
• Manage submittals, shop drawings, equipment lists, and related documentation
• Perform job site inspections and prepare field reports
• Assist with planning meetings and manage project close-out, including as-built drawings
• Support initial job setup, material pulls, and purchase order creation
• Maintain clear communication with customers, contractors, and internal teams

• Associate Degree in a related field (Mechanical Engineering or Mechanical Technology preferred)
• Minimum of 2 years of experience in mechanical system design and development (preferred)
• Proficiency in AutoCAD and other drafting/modeling programs (Revit 2012 or higher preferred)
• Familiarity with scheduling software and estimating processes
• Strong understanding of HVAC systems, installation costs, and mechanical layouts
• Ability to read and interpret architectural, civil, and structural drawings
• Strong mathematical, analytical, and problem-solving skills
• Excellent written and verbal communication skills
• Ability to manage priorities, meet deadlines, and work efficiently with minimal supervision
• Professional appearance and strong work ethic
• Valid driver’s license with a safe driving record

At GSM Services, we believe people come first. We’re committed to providing a supportive, team-oriented environment where you can grow your skills, expand your knowledge, and build a rewarding career in the mechanical construction industry.

If you’d like to learn more about who we are and hear directly from our coworkers, click the link below:
👉 Watch & Learn About GSM Services
https://www.youtube.com/playlist?list=PLtb8tsnrZf3_GX2TUcGP10pqrI8qdh0mE

GSM Services is ready to hear from you—apply today and take the next step in your car