Commercial Plumbing Project Manager
Posted Date 05/09/2026 Department Plumbing Location Broomall, Pennsylvania Employment Type Full TimeCommercial Plumbing Project Manager
Who are we?
We are WM Henderson. For over 30 years, we've been the trusted name in plumbing, heating, and air conditioning, offering an unmatched level of customer service and technical expertise. Behind that outstanding customer service and technical expertise sits our people. Our employees are the core of our business and our people-first culture ensures that we can deliver on the WM Henderson guarantee with each and every employee and customer we service. We believe that happy employees = happy customers!
Key Position Responsibilities:
Project Management/Estimation
- Develop estimates for projects of all sizes
- Includes review of drawings and labor requirements
- Prep estimate, present and finalize with client
- Manage commercial plumbing projects from turnover through completion.
- Review project scope, specifications, contracts, and drawings.
- Develop and maintain project schedules to ensure deadlines are met.
- Coordinate labor, equipment, subcontractors, and materials for all assigned projects.
- Conduct job site visits to monitor progress, quality, and safety compliance.
- Identify and resolve project issues proactively to minimize delays and cost overruns.
- Maintain accurate project documentation including RFIs, change orders, submittals, and closeout documents.
Financial & Operational Oversight
- Manage project budgets and monitor labor/material costs.
- Review job costing reports and maintain profitability targets.
- Prepare and submit change orders as needed.
- Approve invoices and assist with project billing.
- Track project progress against financial goals and timelines.
Team Leadership
- Coordinate daily with field supervisors, foremen, and technicians.
- Assist in manpower planning and workforce scheduling.
- Provide leadership and support to field teams to ensure successful project execution.
- Promote accountability, professionalism, and teamwork throughout the department.
Customer & Vendor Relations
- Serve as the primary point of contact for customers throughout the project lifecycle.
- Build and maintain strong relationships with general contractors, property managers, vendors, and subcontractors.
- Attend project meetings and provide regular updates on project status.
- Ensure customer expectations are met or exceeded.
Safety & Compliance
- Enforce all company safety policies and OSHA requirements.
- Ensure projects are completed in compliance with local plumbing codes and regulations.
- Promote a culture focused on safety, organization, and professionalism.
Key Position Responsibilities: (Minimum) Special Skills, Education and Experience
- At Least five (5) year experience as a project manager (or requisite experience) in the mechanical contracting field
- Extensive knowledge of commercial plumbing
- Full PC Knowledge required (software: Excel, Microsoft Office, etc.)
Significant Manners of Performance
- Appropriate professional dress and appearance
- Capacity to set priorities, organize and handle detail
- Ability to manage multiple projects simultaneously
- Ability to be flexible and resilient in responding quickly to changing demands
- Excellent oral and written communication skills, including the ability to work with all demographic groups in the Plumbing field, including customers, suppliers and employees
- Ability to work under pressure and on a flexible schedule.
Other Special Considerations and Preferences
- Familiarity with small business operations within the industry
- Overtime may be required on short notice
- Travel between various jobsite locations
- Commitment to ongoing training.

Equal Opportunity Employer
We are dedicated to providing all employees with a pleasant, fair, non-discriminatory, and harassment-free working environment. We promise to hire the best-qualified candidate regardless of gender, religion, race, or age.
Transparency in Coverage: https://healthcomp.sapphiremrfhub.com/
Apply NowMeet Our Team
“I’m so happy I made the choice to come to W.M. Henderson. The training I’ve received here is far beyond what I was able to get at the smaller companies I’ve worked with before.”
– W.M. Henderson HVAC Technician
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