Note: The job is a remote job and is open to candidates in USA. National Design Build Services is a mechanical design/build firm specializing in HVAC/R systems for commercial and light industrial facilities. The Mechanical Design Engineer – HVAC & Plumbing Systems is responsible for the design and engineering of HVAC and plumbing systems, ensuring compliance with codes and working closely with field teams and project managers.
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
Skills
- Bachelor's degree in Mechanical Engineering or related field
- 5+ years of experience in HVAC and/or plumbing system design
- 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
- Self-motivated with strong time management and organizational skills
- Ability to thrive in a fast-paced, deadline-driven environment
- Strong communication and collaboration skills
- Experience designing systems for commercial and/or light industrial facilities (manufacturing, food processing, distribution, cold storage preferred)
- HVAC/R experience required; refrigeration experience strongly preferred
- Experience with large-scale or industrial facilities is a plus
Benefits
- NDBS offers a competitive compensation and benefits package
- Strong opportunities for career growth and advancement
- Clear pathways for career advancement with autonomy and flexibility in an entrepreneurial environment
Company Overview
National Design Build Services offers energy-efficient systems, pre-construction, construction management, LEED and commissioning services. It was founded in 2007, and is headquartered in Maryland Heights, Missouri, USA, with a workforce of 51-200 employees. Its website is https://nationaldbs.com/.