Assistant Project Manager

ASSISTANT PROJECT MANAGER

Mechanical & Plumbing Construction MD VA DC

Salary Range: $80,000-$105,000/year

JCM Associates, Inc. is a family-owned commercial mechanical and plumbing contractor with 38 years of history in the DC Metro region. We have built a reputation for delivering technically complex, high-value projects for the region's top owners, developers, and general contractors - data centers, hospitals, federal facilities, high-rise residential, college campuses, and trophy office buildings - with project values ranging from $15M to $200M+.

Thirty-eight years as a family-owned business has shaped everything about how we operate. Our culture is close-knit, collaborative, and genuinely team-first - the kind of environment where people know each other, look out for each other, and take pride in the work they do together. We are based in Upper Marlboro, MD - just 20 minutes from Washington DC - in a brand-new, state-of-the-art office and fabrication facility purpose-built for the scale of work we do.

Careers are built here. Skills are developed here. People are valued here - and that is exactly why so many of our team members have stayed for 20 years or more.

If you are ready to grow into a career in mechanical construction project management, we would like to hear from you.

• A real career path: The APM role is the direct entry point to Project Manager  promote from within and invest in the people who show up ready to learn and grow.
• Mentorship from day one: You will work directly alongside experienced PMs and field leaders on active commercial projects. The people developing you know this work from both sides of the office-field divide.
• Complex, meaningful work: Contribute to some of the most technically demanding mechanical and plumbing construction projects in the DC Metro region from early in your career.
• A culture worth staying for: Close-knit, team-first environment with company outings, team events, and colleagues who have chosen to stay for decades. Our long-tenured team is the best evidence we can offer.
• State-of-the-art home base: A brand-new, state-of-the-art headquarters in Upper Marlboro, MD - purpose-built fabrication shop, modern offices, and an on-site fitness center.
• Competitive total compensation: Salary, annual bonus eligibility, comprehensive health benefits, 401(k) with company match, and paid vacation and holidays.

We are seeking a motivated and detail-oriented Assistant Project Manager (APM) to support the delivery of commercial mechanical and plumbing construction projects across MD, VA, and DC.

This is a hands-on role working directly alongside a Project Manager and field Foreman. You will own real deliverables, be on the job site regularly, and be steadily developed toward a PM role over time. Every PM at JCM started by doing exactly what this role does.

JCM specializes in large-scale commercial mechanical and plumbing construction, including:

• Data centers and mission-critical facilities
• Hospitals, medical labs, and healthcare campuses
• Federal and government facilities
• High-rise residential and mixed-use developments
• College and university buildings
• Trophy office and corporate headquarters projects

Submittals, RFIs & Document Control

• Create, review, track, and manage submittals for mechanical and plumbing equipment, materials, and systems. Confirm compliance with plans and specifications before forwarding.
• Prepare and maintain project documentation including design changes, RFIs, change orders, meeting minutes, IOM manuals, and project reports.
• Serve as the point person for document management applications and ensure all logs are current and accurate.

Equipment Tracking & Procurement

• Build and manage the JCM Equipment Tracking Log. Coordinate with the PM to ensure major equipment is released on schedule and deliveries align with the project timeline.
• Conduct off-site storage visits when required to verify stored materials for billing, review equipment against approved submittals, and confirm final orientations.
• Assist the PM with purchasing activities including scoping, take-offs, change order…