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 ...