Assistant Project Manager

Assistant Project Manager

Mechanical Engineering and Construction Management Graduates Encouraged to Apply

Melrose Park, IL - On-Site

$70,000–$105,000 per year, based on experience

Full-Time | Monday–Friday | 7:00 AM–3:30 PM

About Demco, Inc.

Since 1985, Demco, Inc. has been a trusted commercial mechanical contractor serving clients throughout the Chicagoland area. We specialize in HVAC, sheet metal, design-build projects, and custom metal fabrication.

We are a small company doing big things, with a reputation built on quality craftsmanship, integrity, teamwork, and long-term client relationships. As we continue to grow, we are looking for a motivated Assistant Project Manager who wants to contribute, develop professionally, and build a long-term career with our team.

Why Join Demco?

At Demco, you will be more than just another employee. You will join a friendly, energetic, and supportive team where your ideas and contributions are valued.

This role offers the opportunity to make an impact early by helping improve efficiency, streamline operations, and support both our internal team and clients. You will work closely with experienced professionals, gain exposure to active commercial projects, and take on greater responsibility as your knowledge and confidence grow.

Our goal is to help you develop into a successful Project Manager who can confidently lead projects from start to finish.

The Role

As an Assistant Project Manager, you will work alongside experienced Project Managers to support commercial HVAC and mechanical construction projects from preconstruction through completion.

This position combines office-based responsibilities with job-site exposure, giving you experience throughout the full project lifecycle. It is an excellent opportunity for a recent graduate or early-career construction professional who is eager to learn the technical, organizational, and leadership skills needed to advance into project management.

What You’ll Do

• Assist with preparing bids, estimates, project budgets, and schedules
• Review blueprints, specifications, and construction documents
• Coordinate with vendors, suppliers, subcontractors, and field personnel
• Visit job sites to monitor project progress, quality, safety, and project needs
• Track budgets, schedules, deadlines, and deliverables
• Maintain project documentation, including submittals, purchase orders, RFIs, and change orders
• Communicate with clients, contractors, and internal project teams
• Support Project Managers with day-to-day planning and project execution
• Identify opportunities to improve efficiency and streamline processes
• Take on increasing responsibility as your skills and experience develop

What We’re Looking For

• Bachelor’s degree in Mechanical Engineering, Construction Management, Civil Engineering, or a related field preferred
• Recent graduates are encouraged to apply
• Previous internship or construction experience is a plus, but not required
• Ability to read blueprints or a strong willingness to learn
• Strong organizational, communication, and problem-solving skills
• Proficiency in Microsoft Office
• Experience with Bluebeam, BuildingConnected, or QuickBooks is a plus
• Self-motivated, dependable, and comfortable taking initiative
• Positive attitude and strong work ethic
• Genuine interest in commercial construction and long-term career growth

Compensation and Benefits

• $70,000–$105,000 annually, based on experience
• Weekly pay
• Health insurance eligibility after three months of employment
• 401(k) eligibility after one year of service
• Annual performance reviews
• Bonus opportunities based on individual contributions and overall company performance
• Hands-on mentorship from experienced industry professionals

Build Your Future with Demco

This is an excellent opportunity to launch or advance your career, strengthen your construction and project management skills, and grow with an established mechanical contractor.

We are looking for someone who wants to contribute ideas, take initiative, and become an important part of the company’s continued success.

Apply today by submitting your resume to View email address on click.appcast.io.