Mechanical Project Manager

Mechanical Project Manager

We are looking for a Mechanical Project Manager to join our growing team in St. Louis (Richmond Heights). You will be responsible for taking ownership of mechanical scopes from post-design through construction and startup. The ideal candidate is a proactive problem solver who thrives in a collaborative environment and brings both technical knowledge and a practical mindset to each project.

We are committed to taking care of our greatest asset – our team. Our best-in-class benefits and superior compensation are what set us apart from the competition and continue to attract top industry talent.

• Industry-leading performance-based bonus program
• 100% employer-funded ESOP to all associates
• Traditional and Roth 401k
• Tuition reimbursement for associates
• Scholarship for associates' children up to $28,000 per child
• 1-month paid sabbatical after every five years of employment, plus $5,000 for travel
• 1-week paid volunteer leave each year & 100% charitable match
• Medical, dental, and vision insurance coverage
• 3 weeks of vacation
• 100% paid 12-week maternity leave

A Day In The Life

• Take ownership of mechanical scopes from post-design through construction and startup
• Review subcontractor bids and proposals to confirm scope completeness, identify gaps, and ensure alignment with project requirements
• Review mechanical submittals and shop drawings for accuracy, completeness, and compliance with contract documents
• Track equipment procurement, submittals, and fabrication status to ensure timely delivery
• Coordinate with vendors and subcontractors to resolve issues and prevent schedule impacts
• Visit project sites as needed to verify installations align with design intent, plans, and company quality standards
• Manage RFIs, submittals, and change orders throughout the construction phase
• Coordinate with internal teams, field personnel, and project stakeholders keep projects moving efficiently
• Participate in project meetings and provide clear updates on status, risks, and next steps for mechanical scopes
• Support field quality control and assist with inspections to ensure proper installation
• Assist with preconstruction and estimating efforts as needed (not a primary responsibility)
• Manage multiple projects simultaneously while maintaining strong organization, responsiveness, and attention to detail

Necessary Qualifications

• 3-5+ years of project management experience in mechanical construction, MEP, HVAC, piping, or related commercial/industrial project environments
• Strong working knowledge of mechanical systems, construction processes, and equipment procurement
• Ability to review bids, submittals, and installation work
• Experience coordinating with subcontractors, vendors, and field teams in a fast-paced environment
• Highly responsive, communicative, detail-oriented, and comfortable taking ownership of project execution
• Proficiency with construction/project management tools such as Procore, Bluebeam, and Microsoft Project preferred
• Bachelor's degree in Mechanical Engineering, Construction Management, or a related field
• Ability to travel to project sites nationwide as needed

Make Your Move

ARCO is a premier, full-service design-build general contractor with more than 30 years of experience providing clients with complete project delivery nationwide. With over 6,000 projects completed coast to coast, we pride ourselves on offering the best, most cost-effective, single source, turnkey solutions and adding value to every project. Because we believe in creating opportunities for individual success among our associates, ARCO is a 100% associate-owned company.

Through our Employee Stock Ownership Plan (ESOP), each associate holds a stake in the company, placing the benefits of our success directly in the hands of those who drive it.

ARCO is consistently recognized as a top workplace in multiple markets nationwide and is ranked by Engineering News-Record as a top ten design-build firm and the largest domestic builder of distribution and warehouse space.

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