MEP Preconstruction Manager; Mechanical

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GCON is seeking a detail-oriented, technically skilled MEP Preconstruction Manager (Mechanical Focus) to join our growing Preconstruction team. In this role, you’ll oversee the mechanical portion of MEP scope during the preconstruction phase of large-scale commercial and mission critical projects. You’ll play a vital role in shaping designs, driving cost efficiency, and ensuring projects are set up for success before they break ground.

• Preconstruction Leadership:
  Collaborate with architects, engineers, and project teams to influence system selection, value engineering, and constructability.
• Lead the review and coordination of HVAC, plumbing, and related mechanical systems.
• Develop detailed scopes of work tailored to each project’s needs.
• Estimating & Budgeting:
  Prepare accurate mechanical system estimates from concept through final design.
• Evaluate drawings to identify risks, opportunities, and cost drivers.
• Integrate MEP costs into overall project budgets with the estimating team.
• Review subcontractor bids and ensure alignment with project goals.
• Technical & Engineering Oversight:
  Assess drawings and specifications for compliance with codes, project requirements, and best practices.
• Provide expertise on HVAC controls, plumbing systems, energy efficiency, and system sizing.
• Guide equipment selections with life-cycle costs and constructability in mind.
• Equipment & Vendor Management:
  Lead procurement for major equipment (chillers, air handlers, boilers, VAV systems, etc.).
• Work with vendors and subcontractors to evaluate submittals, lead times, and alternative solutions.
• Manage early procurement processes with GCON sourcing solutions.
• Collaboration & Client Engagement:
  Act as the GC representative in design and client meetings.
• Partner closely with project managers, field teams, and clients for a smooth project handoff.
• Support business development by preparing narratives, pricing, and system strategies.

• Bachelor’s degree in Engineering, Construction Management, or Trade Certification (or 12+ years of equivalent field experience).
• 8–12 years in MEP construction, with at least 3 years dedicated to mechanical systems in preconstruction.
• General contractor experience strongly preferred.

• Strong knowledge of mechanical system design, codes, and construction practices.
• Skilled in estimating and market pricing for equipment and labor.
• Proficiency in Microsoft Excel, Bluebeam, Building Connected, and estimating software (Destini, Win Est, or similar).
• Familiarity with HVAC load calculations, energy modeling, and life-cycle cost analysis (a plus).
• Excellent organizational, communication, and leadership skills.

• Impact – Play a key role in shaping mission-critical projects from the start.
• Growth – Access career development opportunities in a growing organization.
• Collaboration – Work alongside industry-leading professionals in a supportive culture.
• Competitive compensation
• 100% employee medical/dental premium coverage (generous family coverage with 3 plans to tailor to needs)
• Immediate employer 401(k) contribution regardless of employee participation
• Potential annual profit sharing bonus
• Employee rewards program to redeem for gift cards or contribute to cause of your choosing
• Tuition reimbursement program for pursuits outside position
• Sponsorship for continuing education for career pursuits
• 40 hours of volunteer time off (VTO) for causes you support in addition to PTO
• Employee boot voucher program
• Access to Stronger Work optimal mental health services

• Must be able to traverse and inspect all areas of jobsite in all types of weather; this may include walking, climbing, reaching, bending, crawling or stretching.
• Standing/Walking/Sitting:
  Workday is combination of standing, walking, and sitting.
• Legs:
  Must be able to climb stairs.
• Hands/Arms:
  Constant use of hands/fingers for mouse/keyboard/computer use
• Vision:
  Visual acuity in near, mid, and far range. Color vision, peripheral vision, depth perception, hand/eye coordination
• Hearing:
  Sufficient…