Mechanical Design Engineer (HVAC/R & Plumbing) - NDBS

National Design Build Services (NDBS), a mechanical design/build firm specializing in HVAC/R systems for commercial and light industrial facilities, is seeking a Mechanical Design Engineer. The role designs and engineers HVAC, plumbing, and refrigeration support systems from concept through construction, while coordinating with field teams, project managers, preconstruction, and other disciplines to ensure constructability, efficiency, and code compliance.

Responsibilities:

• Design HVAC systems including air distribution, ventilation, and temperature control for commercial and light industrial facilities
• Design plumbing systems including domestic water, sanitary waste, venting, storm drainage, and specialty piping systems
• Support refrigeration systems design for cold storage and food & beverage facilities
• Perform equipment selection (RTUs, AHUs, exhaust fans, pumps, etc.) and system layout
• Develop ductwork, piping, and plumbing layouts, risers, and schematics in Revit
• Perform load calculations and airflow analysis for HVAC systems
• Ensure designs comply with applicable mechanical, plumbing, and energy codes
• Develop sequences of operation for HVAC and mechanical systems
• Coordinate closely with field teams to ensure constructability and installation efficiency
• Coordinate HVAC, plumbing, and refrigeration systems with structural, electrical, and architectural components
• Participate in clash detection and model coordination within Revit/BIM environments
• Support value engineering and system optimization efforts
• Participate in internal turnover meetings to define project scope, risks, resources, schedule, and budget
• Collaborate with preconstruction to translate bid concepts into executable designs
• Partner with operations teams to ensure alignment on system design and installation approach
• Conduct site visits to support quality control, resolve field issues, and assist with commissioning

Requirements:

• Bachelor's degree in Mechanical Engineering or related field
• 5+ years of experience in HVAC and/or plumbing system design
• Experience designing systems for commercial and/or light industrial facilities (manufacturing, food processing, distribution, cold storage preferred)
• Strong understanding of HVAC systems, air distribution, and plumbing design principles
• Proficiency in Revit for mechanical system modeling
• Working knowledge of mechanical, plumbing, and energy codes
• HVAC/R experience required
• Self-motivated with strong time management and organizational skills
• Ability to thrive in a fast-paced, deadline-driven environment
• Strong communication and collaboration skills
• refrigeration experience strongly preferred
• Experience with large-scale or industrial facilities is a plus