
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
We are seeking an Associate to join the HVAC department in our New York office. This role will manage a variety of projects from concept to completion, and will work with upper management on staff development, firm marketing, and efforts to sustain and develop business at JB&B.
As an Associate in the HVAC Department, you’ll lead project teams, mentor junior staff, and collaborate with firm leadership to deliver high-quality mechanical engineering solutions.
Key Responsibilities:
Minimum Qualifications:
Why Work at JB&B?
Legacy + Innovation: Our company blends a rich history with forward-thinking design, including smart building systems and deep carbon reduction strategies.
Collaborative Culture: With over 400 professionals, our company fosters mentorship, teamwork, and continuous learning.
Global Impact: Now part of Trinity, our company offers opportunities to work on transformative projects across commercial, healthcare, aviation, life sciences, and data center sectors.
Multiple office locations: New York, Boston and Philadelphia.
What We Offer
Hybrid workplace offering the flexibility to work both from home and the office
Comprehensive benefits package including 401k employer match and stock options
Paid time off (PTO), volunteer program and employee resource groups
Training and professional development courses through JB&B University
Estimated compensation range: $122,000-140,000 annual salary.
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.

In over 100 years of practice, JB&B has maintained its position at the forefront of the MEP industry and around the world. Our insight into market trends and technological innovation has allowed us not only to be prime movers of that growth within the industry, but to effectively respond to those needs by expanding our service line to include specialty services such as low-voltage, building intelligence, deep carbon reduction, integrated field services under JB&B Field, and architectural lighting design through our division, LightBox Studios. JB&B is a New York City-based engineering firm with offices in Lower Manhattan, Boston and Philadelphia.