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 Junior Project Accountant to join the Finance & Accounting Department in our New York office. The Junior Project Accountant supports the project accounting team with billing, cost tracking, and financial administration. This role is responsible for preparing invoices, maintaining accurate project data, and assisting with the overall financial management of assigned projects.

Key Responsibilities

• Handles billing and financial support for assigned projects
• Works under guidance of senior staff
• Provides support to Project Accountants and project teams
• Builds toward full Project Accountant responsibilities
• Assist with project setup, including entering budgets and contract values
• Prepare and process client invoices in a timely and accurate manner
• Track and enter project costs (labor, expenses, subcontractors)
• Maintain and update job cost reports
• Monitor accounts receivable and follow up on outstanding invoices
• Support month-end close, including reconciliations and reporting
• Maintain organized project financial documentation
• Assist and change orders and system updates
• Work with Project Managers to ensure accurate billing and cost coding
• Provide day-to-day support to Project Accountants

• Bachelor's degree in Accounting, Finance, or related field
• 0-3 years of relevant experience
• Basic understanding of accounting principles
• Proficiency in Microsoft Excel and accounting systems
• Strong attention to detail and organizational skills
• Ability to manage multiple tasks and deadlines
• Experience in project-based or construction accounting
• Familiarity with AIA billing, Textura, or similar systems
• Experience with healthcare/hospital/institutional billing a plus

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: $33.33 - $38.50 per hour

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.

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