
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:
About the Role
We are seeking a Senior Associate to join the Electrical department in our Philadelphia 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.
Key Responsibilities
Minimum Qualifications
Why Work at JB&B?
What We Offer
Estimated compensation range: $1610,000-$184,000 base salary per year
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.