About NDBS
NDBS has been entrusted with the design and installation of mechanical systems across the country for more than 500 projects. With a focus on energy efficiency, we develop the best possible solutions for your project. Our designs are environmentally conscious and limit the cost impact to building owners for the life-cycle of the facility.
We are constantly focused on the needs of our clients, as well as the needs of our clients’ customers. We engineer the best systems for the project and oversee every aspect from design development to close-out and commissioning. Questions and concerns are addressed immediately, ensuring that we are always available for our clients throughout the entire process.
BIM Modeler/Coordinator
About NDBS
National Design Build is a mechanical design/build firm that offers our customers knowledge and experience in designing air conditioning, heating, ventilation and refrigeration systems (HVAC/R) in commercial and industrial buildings. Our projects consist of Healthcare, Food Processing, Manufacturing, Warehouses, Office Buildings and Refrigerated Warehouses. NDBS offers an impressive benefits and compensation program in addition to excellent career development opportunities.
Job Description
We're looking for a BIM Modeler / Coordinator to produce accurate, well-coordinated 3D models of HVAC piping and ductwork systems using Revit and Navisworks. You'll focus on model development, multi-trade clash detection, and field coordination — partnering with our engineers and designers to deliver constructable projects from concept through installation.
Position Information
Position Type : Full Time
Travel Required: <10%
Departmen t: Engineering
Reports to : BIM Manager
Location: St. Louis, MO 63146
Schedule : On-site, Monday-Friday
Responsibilities
Model HVAC equipment, ductwork, and piping systems in Revit to project and company standards
Run clash detection in Navisworks, generate clash reports, and drive resolutions with other trades
Participate in BIM coordination meetings and track issues through to closeout
Produce construction drawings, sections, and details directly from the Revit model
Maintain model accuracy, consistency, and alignment with internal BIM standards and project execution plans
Support field engineering efforts, including trade coordination and document management
Organize and maintain project documentation, model files, and records
Collaborate with engineers and designers to deliver work that meets NDBS standards
Qualifications and Education Requirements
Required
Minimum 3 years’ experience in the HVAC or MEP industry
Strong proficiency in Revit (MEP) and Navisworks
Working knowledge of AutoCAD, Bluebeam, and Microsoft Office
Familiarity with HVAC piping and ductwork systems, fittings, and installation practices
Ability to interpret Architectural, Structural, Civil, Electrical, Plumbing, and Fire Protection documents and models
Strong written and verbal communication skills
Self-motivated with the ability to manage multiple deadline-driven projects simultaneously
Nice to Have
Experience running clash detection workflows and managing model coordination
Exposure to BIM execution plans and Common Data Environments (CDEs)
Physical & Work Requirements
Travel to job sites where walking, climbing, lifting, carrying items, and navigating unfinished sites without assistance may be required
Operate standard office equipment, computers, and related software
Communicate effectively with engineers, designers, trade partners, and field personnel to identify coordination issues and develop practical solutions
We’re committed to attracting talented individuals who seek a company with a strong foundation of success and an outstanding culture. We proactively provide competitive compensation, comprehensive benefits, and clear pathways for career advancement with autonomy and flexibility in an entrepreneurial environment.
Learn more about our family of operating companies at www.kelso-industries.com
NDBS is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.