Engineer, Mechanical
About The Position
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. We are seeking qualified, confident, and collaborative Entry-Level Engineers to join our HVAC and Plumbing & Fire Protection departments in our Boston office. This is an exciting opportunity to launch your engineering career with a firm known for innovation, mentorship, and technical excellence. As an Engineer at JB&B, you'll work on a wide variety of projects-ranging in size, complexity, and duration-across multiple sectors. You'll collaborate with senior engineers and partners, gaining hands-on experience while contributing to meaningful client solutions.
Requirements
- Bachelor's degree in mechanical engineering or a related field (by Summer 2026)
- Strong analytical, communication, and organizational skills
- Eagerness to learn and grow in a collaborative environment
- Interest in building systems, sustainability, and innovative design
Responsibilities
- Complete tasks on fit-out, base building, and infrastructure upgrade projects
- Assemble riser diagrams, schedules, and floor plans
- Assist in planning and coordination of major distribution systems, equipment rooms, closets, shafts, and risers
- Review shop drawings and perform site visits and punch lists under senior supervision
- Design HVAC systems including distribution, recirculation, and exhaust
- Design plumbing systems including water, gas, and waste distribution
- Work on facility utilities such as chilled water, heating water, steam, and condensate
- Lay out sprinkler systems and perform basic calculations for pipe sizing, design densities, and pump horsepower
Benefits
- 401k employer match
- stock options
- Paid time off (PTO)
- volunteer program
- employee resource groups
- Training and professional development courses through JB&B University
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What This Job Offers
Job Type
Full-time
Career Level
Entry Level
