Assistant Project Manager (HVAC/Construction/Plumbing)

Mechanical Engineering & Construction Corporation; Ashburn (VA); On-site; USD 60,000 - 80,000; Full time

Job summary

A leading construction firm in Virginia is seeking an Assistant Project Manager to provide comprehensive project coordination for HVAC and plumbing projects. The ideal candidate will support Project Managers from bid award through completion, maintaining project documentation and schedules while ensuring communication across teams. Applicants should have experience in construction workflows and be proficient in management software. Join our dedicated team committed to project efficiency and quality, with opportunities for personal growth.

Qualifications

• Proven experience supporting HVAC, plumbing, or construction projects in an office or field-based role.
• Strong understanding of construction workflows, terminology, and documentation.
• Highly organized with the ability to manage multiple active projects simultaneously.

Responsibilities

• Support Project Managers in planning and execution of HVAC, plumbing, and construction projects.
• Prepare, track, and maintain project documentation including contracts and change orders.
• Coordinate with field supervisors, subcontractors, vendors, and suppliers.

Skills

Organizational skills

Communication skills

Problem-solving

Construction terminology understanding

Detail-oriented

Tools

Microsoft Office

Construction/project management software

Job description

Assistant Project Manager (HVAC / Construction / Plumbing)

Office-Based | Experienced | Non-Union

Provides comprehensive project coordination and administrative support to Project Managers overseeing HVAC, construction, and plumbing projects. Ensures projects progress efficiently from pre-construction through closeout by managing documentation, schedules, vendor coordination, and communication across internal teams and external partners.

Key Responsibilities:

• Support Project Managers in planning and execution of HVAC, plumbing, and construction projects from bid award through completion
• Prepare, track, and maintain project documentation including contracts, submittals, RFIs, change orders, pay applications, and closeout packages
• Coordinate with field supervisors, subcontractors, vendors, and suppliers to ensure timely material procurement and job readiness
• Track project schedules, milestones, and deliverables; flag potential delays or conflicts proactively
• Assist with budgeting, job cost tracking, change order pricing support, and invoice processing
• Maintain organized project files in accordance with company standards and compliance requirements
• Support permitting, inspections, and documentation required for HVAC and plumbing scopes
• Serve as a liaison between office staff, field teams, vendors, and customers to ensure clear communication
• Generate project reports, logs, and status updates for management
• Ensure project documentation aligns with safety, quality, and contractual requirements
• Assist with project closeout including warranty documentation, O&M manuals, as-built drawings, and final billing

Qualifications & Skills:

• Proven experience supporting HVAC, plumbing, or construction projects in an office or field-based role
• Strong understanding of construction workflows, terminology, and documentation
• Highly organized with the ability to manage multiple active projects simultaneously
• Excellent written and verbal communication skills
• Proficient in Microsoft Office and construction/project management software
• Detail-oriented with strong follow-through and problem-solving abilities