Executive Assistant

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:

As an Executive Assistant at Trinity- JB&B, you are treated as a true business partner. The culture is collaborative, supportive, and built on mutual respect, with leaders who empower their teams and value each person's contributions. Executive Assistants are encouraged to take ownership, bring new ideas forward, and play an active role in supporting the business.

What makes the role especially appealing is the opportunity to continuously learn. Beyond traditional executive support responsibilities, EAs at Trinity - JB&B gain exposure to the industry, work alongside accomplished leaders, and have the chance to take on creative projects and explore other areas of the business. Combined with the strong sense of camaraderie and an inclusive culture that is always evolving for the better, JB&B is a place where people feel invested, challenged, and genuinely part of the team.

Key Responsibilities:

• Manages complex calendars for assigned Leadership Team (Principals, Vice Presidents and/or
President), proactively identifying and resolving scheduling conflicts with discretion and diplomacy.
• Oversees meeting logistics, including accepting, declining, and rescheduling appointments, and
distributing meeting invitations.
• Coordinates conference room bookings and ensure proper setup for teleconferences and video meetings.
• Collaborates closely with the executive assistant team and firmwide stakeholders to ensure smooth daily
operations, including proactive communication and issue resolution.
• Arranges domestic and international business travel, including flights, itineraries and accommodations.
• Manages expense reports, receipts, reimbursements, and credit card reconciliations.
• Maintains professional licenses and tracks PDH credits across multiple states.
• Organizes internal and external meetings, including breakfast, lunch, and dinner engagements with
employees and clients.
• Provides backup support for executive assistants during absences to ensure uninterrupted service to the
Leadership Team.
• Assists, as necessary, the Office Operations team with office internal events, and manage Leadership
Team meetings and/or off-site programs.
• Manages Department of Buildings filing paperwork and submissions as required.
• Handles sensitive information with discretion and maintain confidentiality at all times.
• Performs additional administrative duties as assigned.

Minimum Qualifications:

Bachelor’s degree or equivalent experience
• 5+ years of experience supporting C-level executives
• Proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint)
• Excellent written and verbal communication skills
• Strong organizational and time-management abilities
• High level of professionalism and confidentiality
• Ability to work independently and as part of a team
• Experience with travel coordination and expense reporting tools (e.g., Concur)

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: $38.06 - $48.72 per hour

Salary ranges are posted for visibility, but can be negotiated based on candidate qualifications and years of experience.

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.