Preconstruction Project Manager (Mechanical Construction)

Preconstruction Project Manager Location:

St.

Louis, MO Compensation:

Competitive base salary (DOE) + full benefits

Position Type:

Full-Time Overview An established employee-owned mechanical contractor is seeking a Preconstruction Project Manager to lead front-end planning for large-scale commercial, industrial, and mission-critical projects. This role focuses on conceptual estimating, cost strategy, and early-stage collaboration with design, engineering, and construction partners. Responsibilities Develop and manage budgets, conceptual estimates, and schedules during preconstruction Lead scope definition, bid packaging, and value engineering analysis Collaborate closely with internal engineering, BIM, and fabrication teams Interface with owners, architects, and GCs to provide clear project direction Ensure proposals and preconstruction deliverables are accurate and completed on time Qualifications 5+ years in mechanical preconstruction, estimating, or project planning Strong knowledge of HVAC and piping systems Proven experience preparing conceptual budgets and supporting design-assist efforts Excellent communication, client-facing, and organizational skills Benefits Employee Stock Ownership Program (ESOP) Paid Parental Leave Tuition Reimbursement Gym Reimbursements PTO (Vacation + Sick) Full health, vision, and dental coverage How to Apply Submit your resume to anna.boyd@gogpac.com or apply directly to this posting.

Relevant titles:

Preconstruction Manager, Estimating Manager, Mechanical Preconstruction PM, Mechanical Project Manager, Estimator, Mechanical Engineer