Assistant Project Engineer Co-Op

Location: Woburn, MA
Department: Construction Operations / Engineering
Reports To: Project Manager & Assistant Project Manager

The Assistant Project Engineer Co-Op provides hands-on support to project teams working on plumbing and HVAC construction projects. This role is designed for students or early-career individuals seeking exposure to mechanical construction, coordination, project documentation, and field operations. Under the guidance of Project Managers and Assistant PMs, the Co-Op helps ensure accurate documentation, clear communication, and organized workflows throughout all phases of the project.

• Assist with organizing project drawings, specifications, logs, and digital file structures.
• Update and maintain RFIs, submittals, and document trackers under direction from PM/APM.
• Compile meeting notes, follow-up lists, and communication summaries after project meetings.
• Support the preparation of field information packets, installation sketches, and updated plan sets.

• Review drawings and coordinated models to understand system layouts and field requirements.
• Assist with takeoffs, basic quantity checks, and material verification.
• Provide support for prefabrication paperwork, spool drawings, and installation sketches.
• Help gather and interpret field measurements or site conditions when needed.
• Assist in preparing material requests, collecting vendor data, and tracking long-lead items.
• Help maintain submittal and procurement logs and ensure timely updates.
• Coordinate delivery confirmations and help prepare documentation for field teams.

• Participate in site walks to learn how drawing information translates to field installation.
• Help collect as-built information, inspection notes, and field-generated documentation.
• Support communication between office and field teams to ensure accurate and timely information flow.

• Assist with compiling O&M manuals, warranties, testing reports, and turnover materials.
• Help maintain organized project files and archives according to company standards.
• Support basic project controls activities such as filing, scanning, and organizing documentation.

• Enrollment in a Mechanical Engineering, Construction Management, or related program preferred.
• Interest in mechanical systems, building construction, and project coordination.
• Ability to read and interpret basic drawings or willingness to learn.
• Strong communication skills and the ability to work collaboratively with both office and field teams.
• Proficiency with Microsoft 365 and willingness to learn construction software and modeling tools.
• Organized, detail?focused, and eager to take on new challenges in a fast-paced project environment.

This Co?

Op offers direct exposure to real project conditions, providing valuable experience in mechanical construction, coordination, and professional project delivery. You’ll work alongside experienced PMs, engineers, and field personnel, gaining the practical knowledge and skills needed for a future career in the industry.

Be a part of our dynamic team! We offer exceptional benefits including a 401(k) plan, excellent health insurance, and more.

Located just north of Boston, P.J. Dionne Company has been a leading commercial plumbing and HVAC contractor serving the greater Boston area since 1991.

Starting as a small plumbing company, P.J. Dionne Company has grown steadily into a team of over 150 highly skilled service professionals and support staff. We are proud of our reputation as one of the most customer-focused contractors in the area, handling a wide variety of projects—large and small, renovations and new construction, service and maintenance. Our success is built on our ability to adapt to emerging technologies and changing customer requirements.

We offer exceptional benefits including a 401(k) plan, excellent health insurance, and more.