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 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- Works with their Department Leader to develop conceptual design for projects and guides their team through project completion.
- Acts as the day-to-day Client point of contact on their projects.
- Manages and reviews all project-related documents and ensures timely and accurate implementation.
- Responsible for project deliverables both technically and functionally.
- Presents and explains project designs confidently at internal and external meetings.
- Coordinates and updates the project team regularly to meet design expectations and deadlines.
- Initiates and manages design changes, proposals, and approvals.
- Successfully executes multiple fit-out/renovation projects and/or large/complex projects from concept to completion.
- Prepares technical letters/memos addressing project design issues and code interpretations.
- Presents and explains project designs confidently in internal and external meetings.
- Communicates effectively with project teams managing issues, and deliverables for project success
- 8-14 years of engineering experience
- Bachelor’s degree in electrical or mechanical engineering
- Proficient in all design calculations and software tools (e.g., Revit and AutoCAD) applicable to your discipline
- Strong project management and leadership skills
- Strong understanding of trade-specific scope of project, trade-related codes, and the required coordination with other trades
- Strong understanding of documentation requirements and content for each deliverable phase (e.g., SD, DD, CD and specifications)
- 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.
- 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: $160,000-$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.
Skills Required
- 8-14 years of engineering experience
- Bachelor's degree in electrical or mechanical engineering
- Proficient in design calculations and software tools (e.g., Revit and AutoCAD)
- Strong project management and leadership skills
- Strong understanding of trade-specific scope, trade-related codes, and coordination with other trades
- Strong understanding of documentation requirements for each deliverable phase (SD, DD, CD, specifications)
What We Do
Jaros, Baum & Bolles (JB&B), founded in 1915, is an engineering firm specializing in mechanical, electrical, and plumbing (MEP) systems. They create high-performance building designs that contribute to sustainable, low-carbon built environments. Now operating within Trinity Consultants' Built Environment division, the company combines its deep expertise in high-performance building systems with strengths in acoustic design, facility operations, commissioning, and technology strategy.
