SENIOR MECHANICAL ENGINEER

gpac; St. Louis (MO); On-site; USD 120,000 - 180,000; Full time

Job summary

gpac is seeking an experienced Senior Mechanical Project Manager to lead large-scale commercial and industrial mechanical construction projects in Missouri. You will oversee multi-discipline teams, manage schedules, budgets, and safety, and ensure delivery to the highest standards.

The role requires excellent leadership and client relationship skills, with opportunities for long-term advancement as the company grows. Healthcare, education, and industrial facilities experience is valued.

Qualifications

• 10+ years of commercial or industrial mechanical project management experience.
• Experience with HVAC, plumbing, piping, or process mechanical projects.
• Strong scheduling, forecasting, and cost control skills.

Responsibilities

• Lead commercial and industrial mechanical construction projects from preconstruction through closeout.
• Manage budgets, forecasting, cost control, profitability, and reporting.
• Develop detailed project schedules and resource plans.
• Oversee subcontractor, vendor, and procurement activities.
• Manage submittals, RFIs, change orders, and pay applications.
• Identify risks, scope gaps, and value-engineering opportunities.
• Collaborate with estimating, engineering, VDC/BIM, fabrication, and field teams.
• Build relationships with owners, general contractors, engineers, and stakeholders.
• Provide leadership to PMs and project engineers and field personnel.
• Support business development and client relationship management.
• Ensure safety, quality, and contractual compliance.

Skills

Leadership

Communication

Scheduling

Financial management

Mechanical construction

Education

Bachelor's degree in Construction Management

Bachelor's degree in Mechanical Engineering

Tools

MS Project

Primavera P6

BIM/VDC software

Job description

A regionally recognized mechanical construction and facilities services firm is seeking an experienced Senior Mechanical Project Manager to lead large-scale commercial and industrial projects while serving as a key contributor to the organization's long-term growth and operational success.

This organization provides full lifecycle mechanical solutions including HVAC, plumbing, piping, controls/building automation, engineering services, and prefabrication support. Projects include healthcare, higher education, mission-critical facilities, manufacturing, commercial high-rise, and industrial installations.

Position Overview

The Senior Mechanical Project Manager is responsible for leading complex mechanical construction projects from preconstruction through closeout. This role requires exceptional leadership, financial management, client relationship development, and strategic project execution skills. The successful candidate will work closely with operations, estimating, field leadership, and executive management to ensure projects are delivered safely, on schedule, within budget, and to the highest quality standards.

This position offers significant leadership visibility and long-term advancement potential as the company continues to grow and develop future operational leaders.

Key Responsibilities

• Lead commercial and industrial mechanical construction projects from preconstruction through project closeout
• Manage project budgets, forecasting, cost control, profitability, and financial reporting
• Develop and maintain detailed project schedules and resource plans
• Oversee subcontractor, vendor, and procurement activities
• Manage submittals, RFIs, change orders, contract administration, and pay applications
• Identify project risks, scope gaps, and value-engineering opportunities
• Collaborate with estimating, engineering, VDC/BIM, fabrication, and field operations teams
• Build and maintain strong relationships with owners, general contractors, engineers, and project stakeholders
• Provide leadership and mentorship to Project Managers, Assistant Project Managers, Project Engineers, and field personnel
• Support business development efforts, project pursuits, and client relationship management
• Ensure compliance with all safety, quality, and contractual requirements

Qualifications

• 10+ years of commercial or industrial mechanical construction project management experience
• Proven success managing large, complex HVAC, plumbing, piping, or process mechanical projects
• Strong knowledge of project scheduling, financial management, forecasting, and cost control
• Experience with preconstruction activities, project planning, and estimating reviews
• Demonstrated ability to manage client relationships and lead multidisciplinary project teams
• Strong understanding of mechanical construction means, methods, and project execution strategies
• Proficiency with project management and construction software platforms
• Excellent communication, leadership, and problem-solving skills

Preferred Background

• Bachelor's degree in Construction Management, Mechanical Engineering, or related field preferred
• Experience with Design-Build, Design-Assist, GMP, and negotiated projects
• Experience within healthcare, industrial, manufacturing, mission-critical, institutional, or large commercial construction environments
• Leadership experience mentoring teams and developing future project leaders

What's Offered

• Competitive compensation package with bonus potential
• Comprehensive benefits package including medical, dental, vision, life insurance, PTO, and 401(k)
• Opportunity to lead high-profile commercial and industrial projects
• Clear advancement pathway into Project Executive, Operations Management, or Senior Leadership roles
• Strong company culture focused on collaboration, employee development, and long-term career growth

This is an opportunity to join a stable, highly respected mechanical contractor where senior project managers are empowered to lead, influence company growth, and build long-term careers within a people-focused organization.

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.