Senior Mechanical Project Manager

Job Title: Sr. Process Piping Project Manager

Company: Loenbro, LLC
Business Unit/Department: Southwest - Mechanical/Structural
Location: Gilbert, AZ
Reports to: Area Manager
Employment Type: Full-Time
FLSA Classification: Exempt

Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S. Our market spans all industries and our service offerings include Critical Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance and Installation, and Fabrication. Our expertise lies in simplifying the complex and establishing long-standing relationships with our partners. We have a national presence but a local approach—every customer benefits from our capabilities and our care.

At Loenbro, we don’t just offer jobs—we build careers grounded in integrity, teamwork, excellence, and purpose. Join a team where your expertise is valued, your growth is supported, and your work helps maintain and enhance the critical infrastructure that powers communities across the nation.

The Senior Process Piping Project Manager is responsible for the overall planning, execution, and successful delivery of commercial and industrial construction projects, specifically overseeing our process piping scopes of work performed to ASME code (primarily B31.3 Process Piping). This role oversees all phases of a project, including budgeting, scheduling, procurement, resource allocation, subcontractor management, client relations, ASME code compliance and QA/QC coordination, and project closeout activities.

The Project Manager is accountable for ensuring projects are completed safely, on schedule, within budget, and in accordance with ASME code requirements, quality standards, and contractual requirements.

Success in this role is demonstrated through strong leadership, effective communication, financial management, and the ability to proactively identify and resolve project challenges while maintaining positive relationships with clients, vendors, subcontractors, and project teams. The Process Piping Project Manager serves as the primary liaison between field operations, company leadership, and customers, ensuring successful project outcomes and customer satisfaction.

• Oversee large scale process piping construction projects from set up to close out, related to industries including power generation, industrial/process facilities, refining/chemical, mining, and semiconductor / mission critical, ensuring work is executed in accordance with applicable ASME piping codes.
• Responsible for recruiting, managing and leading teams of employees, including Assistant Project Managers, Project Engineers, and Project Coordinators.
• Ensure project execution complies with ASME B31.3 (Process Piping) and any other applicable ASME code requirements, from fabrication through field installation.
• Coordinate with QA/QC and third-party inspection on weld procedure qualification (WPS/PQR), welder certification, NDE, PWHT, hydrostatic testing, and Positive Material Identification (PMI) for pressure piping systems.
• Review P&IDs, piping isometrics, and piping material specifications with the project team to support constructability, procurement, and fabrication/field installation sequencing.
• Supervises the daily work of employees.
• Verifies conformance of finished work product, including overseeing compliance with all contract requirements.
• Responsible for ensuring all safety and environmental requirements are met.
• Coordination of all labor, equipment, and subcontractor resources with Project subordinates and other Loenbro companies to ensure timely, cost-effective completion of project.
• Assures all employees within the team know and follow the company safety and work rules and…