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Mechanical II

Cannon Design
St. Louis, Missouri
Full Time
Posted October 6, 2025
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Job Description

This position involves designing HVAC systems, including ductwork, piping, and equipment selection, preparing construction drawings using Revit BIM, and collaborating with project teams on various building projects. The role also includes site visits, specifications editing, and supporting plumbing and fire protection designs under the supervision of a licensed engineer.

Key Responsibilities

  • Design HVAC systems, including ductwork, piping, and equipment selection, for building projects.
  • Perform load calculations and energy modeling for HVAC, plumbing, and fire protection systems.
  • Create construction drawings and BIM models using Revit for HVAC, plumbing, and fire protection systems.
  • Specify mechanical equipment such as boilers, chillers, and air handling units.
  • Review shop drawings for compliance with specifications and contract documents.
  • Participate in client and project team meetings to coordinate project details and budgets.
  • Conduct site visits to verify existing conditions and observe construction progress.
  • Assist with plumbing and fire protection system design as needed.
  • Research and respond to emergent project issues and RFIs.

Requirements

  • Bachelor or Master’s degree in Engineering required.
  • Minimum of 4 years of related experience required.
  • Experience in computer applications for engineering design programs such as Revit, Trane Trace, or Trane 3D Plus required.
  • Perform designs of ductwork, piping, equipment selection for HVAC systems for building design, independently for smaller less technical projects under the supervision of a professional engineer for complex projects.
  • Calculate heating and cooling loads, layout and design ductwork and piping using energy modeling software.
  • Prepare Revit BIM modeling of construction drawings of HVAC systems from schematic design to construction administration phases including layout, sketches, and detail drawings as required.
  • Perform Revit BIM modeling for plumbing and fire protection systems as necessary.
  • Review shop drawings for compliance with specifications and contract documents.
  • Specify mechanical equipment such as boilers, chillers, and air handling units.
  • Review and edit specifications relating to existing or new projects.
  • Perform job site visits to verify existing conditions and observe construction progress, which may require a physical walk-through of the site.
  • Interface effectively with clients and members of the project team by attending Owner, Architect, Construction Administration (OAC) meetings in conjunction with project budget.
  • Assist with gathering information to respond to RFIs and review change orders in the preparation of construction documents.
  • May independently research as need arises and respond to emergent issues.
  • May direct activities of staff with less experience.
  • Excellent verbal and written communication skills.
  • Able to effectively handle multiple projects.

Benefits & Perks

Compensation/salary range (not specified in the posting)
Work schedule (not specified in the posting)
Work environment perks (not specified in the posting)
Opportunities for professional development (e.g., research, site visits, project management)
Inclusive and diverse work culture
Equal opportunity employment
Support for equity, diversity, and inclusion initiatives
Mandatory compliance and internal policy training

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