Assistant Project Manager

Assistant Project Manager – Mechanical Contracting

Melrose Park, IL (On-site)

$80,000 – $125,000/year (based on experience)

Full-Time | Monday – Friday, 7:00 AM – 3:30 PM (with flexibility as needed)

About Demco, Inc.

Since 1985, Demco, Inc. has been a trusted name in commercial mechanical contracting across Chicagoland. We specialize in HVAC, sheet metal, design-build projects, and custom metal fabrication. Our reputation is built on craftsmanship, integrity, and long-term client partnerships — and we’re growing.

Why Join Us?

At Demco, you’ll be more than a number — you’ll be part of a collaborative team that values hard work, problem-solving, and career growth. We offer weekly pay, comprehensive benefits, and long-term advancement opportunities in a company that invests in your future.

The Role

We’re seeking a hands-on Assistant Project Manager to support our commercial projects from start to finish. This role blends office and field work, offering exposure to every phase of the project lifecycle. Whether you’ve managed projects before or bring strong trade knowledge and want to grow into project management, we want to hear from you.

What You’ll Do

• Assist in preparing accurate bids, budgets, and schedules
• Review blueprints, specifications, and bid requests
• Source and negotiate with suppliers and subcontractors
• Monitor on-site work for quality, safety, and code compliance
• Track project progress, budgets, and deliverables; provide updates
• Manage project documentation (submittals, purchase orders, change orders, etc.)
• Oversee labor and subcontractor efficiency
• Build and maintain strong client relationships
• Take ownership and pride in successful project delivery

What We’re Looking For

• Solid understanding of mechanical contracting, HVAC, or sheet metal
• Ability to read blueprints and interpret construction documents
• Proficiency in Microsoft Office and QuickBooks Online (BuildingConnected & Bluebeam are a plus)
• Strong organizational skills with the ability to juggle multiple priorities
• Knowledge of building codes, safety standards, and compliance
• Positive, proactive attitude with willingness to work both in-office and on-site

Perks & Benefits

• Weekly Pay (no waiting for bi-weekly checks)
• Health, Dental, Vision & Life Insurance
• 401(k) with Company Match
• Paid Time Off + Holidays
• Paid Jury Duty & Bereavement Leave
• Supportive team culture + career advancement opportunities

Ready to Build Your Future?

Apply today by submitting your resume and cover letter to View email address on click.appcast.io . We look forward to connecting with you!

Job Type: Full-time

Benefits:

• 401(k) matching
• Dental insurance
• Health insurance
• Life insurance
• Paid time off
• Vision insurance

Ability to Commute:

• Melrose Park, IL 60164 (Preferred)

Ability to Relocate:

• Melrose Park, IL 60164: Relocate before starting work (Preferred)

Work Location: In person