gpac | The Recruitment Platform

Mechanical Project Manager - Commercial HVAC/Piping in St Louis

Date Posted: 20 October 2026

Job Snapshot

Job Description

Run commercial mechanical projects for a well-established St. Louis contractor, with a clear path into design-build and preconstruction.

What you'll do:

  • Manage commercial HVAC, piping and plumbing projects from start to closeout
  • Own schedules, budgets, submittals, RFIs and change orders
  • Coordinate with field leaders, engineers, general contractors and owners
  • Track costs and keep projects profitable
  • Get involved in design-build and preconstruction work as you grow

What you bring:

  • Experience as a project manager, assistant project manager or project engineer with a mechanical contractor (we welcome mid-level and earlier-career candidates)
  • Working knowledge of commercial HVAC, piping and plumbing systems
  • A degree in construction management, mechanical engineering or a related field, or equivalent experience
  • Organization, follow-through and strong communication

Why it's worth a look:

  • Mentorship from a seasoned team and a real growth path into design-build and preconstruction
  • A steady pipeline of commercial projects across the St. Louis area
  • A stable contractor with a strong reputation

Apply today for a confidential conversation.

All qualified applicants will receive consideration without regard to race, age, color, sex (including pregnancy), religion, national origin, disability, sexual orientation, gender identity, marital status, military status, genetic information, or any other status protected by applicable laws or regulations. GPAC (Growing People and Companies) is an award-winning search firm specializing in placing quality professionals within multiple industries across the United States since 1990. We are extremely competitive, client-focused and realize that our value is in our ability to deliver the right solutions at the right time.

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