Job Description
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
Minimum Qualifications
- 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)
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: $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 , , , , , , gender , , , , marital status, military veteran status, unemployment status, or any other status protected by law.