MEP Preconstruction Engineer

Clayco - St. Louis, MO

The MEP Preconstruction Engineer will assist in the bidding of construction projects by preparing conceptual and hard dollar estimates, creating proposals for new projects, and soliciting subcontractor bids with a focus on the Mechanical, Electrical, Plumbing, and Fire Protection scopes of work. The MEP Preconstruction Engineer will review and verify accuracy and completeness of all project documents received and also perform quantity take-offs, constructability review, and value engineering analysis for all projects assigned. The MEP Preconstruction Engineer will play a key role in departmental initiatives and improvements.


The Specifics of the Role:

  • Work in conjunction with Preconstruction team to prepare accurate proposals for all business units including (Commercial, Industrial, Institutional, Residential)
  • Provide guidance on HVAC systems choices and value engineering ideas
  • Perform quantity take-offs for specific divisions/scopes of work with special emphasis on Mechanical, Electrical, Plumbing, and Fire Protection
  • Manage subcontractor solicitation process
  • Build and maintain subcontractor relationships
  • Prepare Bid Evaluation sheets
  • Review project schedules and assist in preparing General Conditions
  • Assist with final assembly of estimate for presentation to owner
  • Assure clean handoff of estimate, bid info, drawings, specs, etc. to Project Management
  • Assist Project Managers in negotiating contracts, change orders, etc.
  • Maintain master subcontractor/vendor lists
  • Maintain and develop historical data for unit prices



  • Bachelor’s Degree in Construction Management, Engineering, Architecture or related
  • 2+ years of experience working in Commercial Construction or Engineering Design
  • Previous mechanical, electrical, or plumbing estimating experience or Design/Build experience is preferred
  • Ability to read and understand MEP drawings and BIM models
  • Understanding of complex mechanical systems and how to price and schedule them
  • Understanding of database-oriented estimating system. (WinEst is currently used at Clayco)
  • Ability to walk renovation projects and determine scope of work and recommended solution
  • Demonstrated knowledge of building construction, materials, systems, market conditions, and trade practices
  • Knowledge of estimating and quantity takeoff software
  • Strong computer skills
  • Conceptual ability to work with minimum information
  • Proven technical ability to perform mathematical calculations
  • Experience attending Preconstruction meetings
  • Capability to pass pre-employment drug testing and background check

About Us:

Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $4.9 billion in revenue for 2021, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional and residential related building projects.


Why Clayco?

Best Places to Work – Crain’s Chicago Business, St. Louis Business Journal

ENR – Top Midwest Contractors (#1), Top Design Build Contractors (#4), Top 400 Contractors (#24)


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