Co-Op

Join JB&B and shape the future of the built environment!

Founded in 1915, Jaros, Baum & Bolles has been a pillar of engineering innovation in New York City for over a century. Specializing in mechanical, electrical, plumbing (MEP), JB&B has contributed to some of the most iconic buildings. In October 2025, JB&B joined forces with Trinity Consultants, a global consulting firm focused on the natural and built environments. JB&B now operates within Trinity's Built Environment division, combining its deep expertise in high-performance building systems with Trinity's strengths in acoustic design, facility operations, commissioning, and technology strategy.

This strategic merger expands JB&B's capabilities and offers employees:

• Access to a broader portfolio of international projects and clients
• Enhanced career mobility across Trinity's global network
• Interdisciplinary collaboration with experts in sustainability, environmental science, and digital infrastructure.

About the Role

JB&B invites current Mechanical Engineering and Electrical Engineering majors to take part in the Co-op Program in our Boston office. Students looking for experience in design engineering are encouraged to apply!

During your Co-Op, you will be exposed to a wide breadth of project types, varying in size and duration. You will work as part of a project team, collaborating with colleagues to provide our clients with progressive design solutions. You will gain new skills and build on the strengths you bring to the firm. Throughout your semester or academic year, you will receive exceptional training through our JB&B University training program as well as frequent coaching and mentoring from colleagues on your teams.

As a member of the department, you will be on a collaborative team and gain experience in:

• AutoCAD and Revit programs to design and draw riser diagrams, schedules, and floor plans
• Visiting project sites for surveys, punch list walkdowns, and design reviews
• Assembling documents for issue by JB&B's standards through the use of design guidelines and checklists

If on the HVAC team, you will be working on:

• Distribution, recirculation, and exhaust of HVAC systems in a facility
• Facility/plant utilities such as chilled water, heating water, plant steam, and condensate

If on the PFP team, you will be working on:

• Distribution of water, gas, and waste systems in a facility
• Laying out the sprinkler systems and performing basic calculations for pipe sizing, design densities, and pump horsepower

. Qualifications

• Current student pursuing a Bachelor's degree in mechanical engineering, a second or third year co-op.
• Excellent oral and written communication.
• Demonstrates success in collaborating in a team environment.

Estimated Compensation Range: $20 - $22 per hour.

Jaros, Baum & Bolles is an equal opportunity employer. All qualified candidates will receive consideration for employment without regard to race, ethnicity, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, marital status, military veteran status, unemployment status, or any other status protected by law.