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Mechanical Engineer

Facility Solutions Group (FSG)
Fenton, MO Full Time
POSTED ON 12/30/2025
AVAILABLE BEFORE 1/28/2026

Job Title:       Project Engineer - Mechanical


Facility Solutions Group (FSG) is a St. Louis based engineering and construction management firm that specializes in MEP/FP systems for commercial buildings. We are seeking a mechanical engineer to be part of our team of professionals.

636.537.0203      fax 636.537.0057      901 Horan Drive      Fenton, MO 63026

Requirements:          

 

  • Bachelor’s degree in Mechanical Engineering
  • 3 years of experience in building systems design (HVAC/plumbing)
  • Working knowledge of building codes and standards
  • Strong communication and coordination skills
  • Ability to manage multiple projects and deadlines


Preferred Qualifications:  

  • Proficient in AutoCAD and REVIT
  • Experience with K-12, higher education, or municipal projects
  • Familiarity with energy modeling and sustainable design
  • Experience with VRF, VAV, hydronic, and packaged HVAC systems


Design & Engineering:

  • Design HVAC, plumbing, and mechanical systems for new construction and renovation projects
  • Perform load calculations, equipment sizing, ductwork and piping design
  • Develop basis of design narratives and system selections
  • Prepare construction drawings and technical specifications
  • Ensure compliance with applicable codes (IMC, IPC, IECC, ASHRAE, local codes)


Project Coordination:

  • Coordinate mechanical designs with architectural, structural, electrical, and fire protection disciplines
  • Participate in design meetings, client reviews, and coordination calls
  • Review shop drawings, RFIs, and submittals for conformance with design intent
  • Respond to contractor questions during construction


Quality & Documentation:

  • Produce accurate, complete, and well-coordinated construction documents
  • Perform internal quality control reviews
  • Assist with cost-conscious design solutions while maintaining performance and code compliance


Construction Support:

  • Provide construction administration support including site visits, punch walks, and issue resolution
  • Assist with system commissioning and close-out documentation as required

Salary.com Estimation for Mechanical Engineer in Fenton, MO
$85,023 to $101,001
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