CAD Designer – Mechanical Piping

Interstate Mechanical LLC

About IMCOR

Interstate Mechanical, LLC — IMCOR — is seeking a skilled CAD Designer to join our Operations/BIM team. IMCOR offers a challenging and team-oriented work environment focused on quality, safety, coordination, and successful project execution.

We are looking for a detail-oriented designer with strong mechanical piping and plumbing system experience who can support project teams through accurate drawings, coordination, clash detection, and fabrication-ready deliverables.

Position Summary

The CAD Designer is responsible for producing, coordinating, and maintaining detailed mechanical piping system drawings using AutoCAD Fabrication MEP, Revit, Navisworks, and related design/coordination software.

This role works closely with project managers, engineers, BIM leadership, vendors, and field teams to ensure designs are accurate, fully coordinated, code-compliant, and aligned with project specifications. The CAD Designer plays a key role in supporting constructability, coordination, fabrication, and efficient system routing.

Key Responsibilities

• Develop and modify detailed mechanical piping system drawings using AutoCAD Fabrication MEP, Revit, and Navisworks.
• Detail piping systems for coordination, fabrication, and project execution.
• Design and coordinate mechanical piping systems, including chilled water lines, hot water heating lines, equipment connections, and related layouts.
• Produce isometric spool drawings for fabrication and project coordination.
• Review project specifications, contract plans, scopes of work, and submittals to ensure compliance with project requirements.
• Coordinate system routing, equipment layouts, material requirements, fixture schedules, and specification checklists.
• Confirm DX — Direct Expansion — line sizes and lengths with vendors to support proper equipment performance and compliance with manufacturer requirements.
• Create floor sleeve and wall penetration coordination drawings with required dimensions and elevations.
• Conduct site visits as needed to verify field conditions, review installation coordination, and identify cost-saving or constructability opportunities.
• Generate RFIs with clear descriptions of conflicts and suggested resolutions for project managers.
• Participate in BIM coordination meetings and collaborate with other trades to resolve conflicts.
• Conduct quality control checks on drawings to confirm accuracy, contract compliance, and efficient system routing.
• Assist in preparing CAD shop drawings, field turnover packages, access panel verifications, fixture schedules, and other project documentation.
• Use Bluebeam Revu for document markup and collaboration.
• Use Procore for project documentation, RFI tracking, and coordination.
• Maintain strong professional relationships with general contractors, engineers, clients, vendors, project teams, and field teams.
• Attend internal and external project coordination meetings as required.
  
  

Required Experience

• Minimum 5 years of experience detailing mechanical piping systems.
• Experience with mechanical piping systems, or MEP design/detailing.
• Strong understanding of piping layouts, blueprints, contract documents, and construction coordination.
• Hands-on experience with AutoCAD Fabrication MEP, Revit, and Navisworks.
• Experience working in a BIM coordination environment and collaborating with multiple trades.
• Ability to identify design conflicts and propose practical resolutions.
• Ability to work independently, manage deadlines, and maintain accuracy with minimal supervision.
  
  

Required Software Skills

• AutoCAD Fabrication MEP — modeling and detailing mechanical piping and plumbing systems.
• Revit — BIM modeling and coordination.
• Navisworks — clash detection and coordination reviews.
• Bluebeam Revu — document markup and collaboration.
• Procore — project management, RFI tracking, and documentation.
  
  

Qualifications

• Strong proficiency in AutoCAD Fabrication MEP, Revit, and Navisworks.
• Solid understanding of mechanical piping systems, blueprints, and contract documents.
• Excellent organizational skills and attention to detail.
• Strong verbal and written communication skills.
• Proactive problem-solving mindset.
• Ability to work in a team-oriented environment.
• Ability to coordinate with project managers, engineers, vendors, and field personnel.
• Prior experience in mechanical contracting, HVAC piping, or commercial construction is strongly preferred.
  
  

Employment Requirements

• Must PASS drug screening with a NEGATIVE result.
• We E-Verify.
  
  

Schedule

Monday through Friday

Day shift

Benefits

Additional hours may be required based on project needs.

Benefits May Include

• Medical, dental, and vision insurance
• Paid time off
• Paid holidays
• 401(k)
• Company-paid life insurance
• Short-term and long-term disability options
• Opportunities for professional growth and development
  
  

Work Location

In person

Equal Opportunity Employer

IMCOR is an Equal Opportunity Employer. We consider all qualified applicants for employment without regard to race, color, religion, sex, national origin, age, disability, veteran status, or any other protected status under applicable law.