Mechanical Project Manager - Commercial HVAC & Plumbing

Interstate Mechanical LLC; Phoenix (AZ); On-site; USD 90,000 - 140,000; Full time

Benefits offered by this job

Competitive pay

Medical insurance

Vision insurance

Life insurance

401(k)

Paid Time Off

Diverse project portfolio

Job summary

Interstate Mechanical LLC is seeking an experienced Mechanical Project Manager with a strong background in commercial plumbing and HVAC to manage one or multiple projects from planning through successful completion.

The role oversees the operational and financial performance of assigned projects, including scheduling, budgeting, procurement, billing, change management, field coordination, customer relationships, and project closeout.

Qualifications

• 3+ years of project management experience within the commercial mechanical industry, specifically HVAC and/or plumbing.
• Experience managing mechanical projects with values from approximately $200,000 to $20 million+.
• Strong understanding of commercial plumbing, HVAC, piping, and related systems.
• Knowledge of local, state, and federal requirements including HVAC/ASHRAE and building codes.
• Hands-on field experience as a Plumbing, Pipefitting, or Sheet Metal role (apprentice/journeyman/foreman).
• Excellent planning, scheduling, budgeting, and organizational skills.
• Strong written and verbal communication skills.

Responsibilities

• Manage one or multiple commercial plumbing and HVAC projects concurrently.
• Track submittals, schedules of values, project schedules, RFIs, progress billings, and change orders.
• Develop scopes of work and manage purchase orders for subcontractors and vendors.
• Coordinate project activities including scheduling, engineering, material control, and field requirements.
• Ensure projects meet design, budget, schedule, and quality standards.
• Staff and supervise field personnel and coordinate with leadership.
• Monitor costs, financial performance, forecasts, and profitability.
• Prepare monthly/quarterly project projections and billings.
• Identify risks and resolve issues affecting schedule, budget, or customer commitments.
• Maintain strong relationships with customers, contractors, suppliers, and vendors.
• Support business development by identifying opportunities with existing and new customers.
• Maintain accurate project documentation throughout the lifecycle.

Skills

Project management

HVAC plumbing knowledge

Field coordination

Budgeting/forecasting

Scheduling

Submittals and change orders

Client relationships

Procore (construction software)

Microsoft Office

Tools

Procore

Microsoft applications

Other PM tools

Job description

Interstate Mechanical LLC is seeking an experienced Mechanical Project Manager with a strong background in commercial plumbing and HVAC to manage one or multiple projects from planning through successful completion.

The role oversees the operational and financial performance of assigned projects, including scheduling, budgeting, procurement, billing, change management, field coordination, customer relationships, and project closeout.