2027 Summer Internship - Engineering

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’sBuilt 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 mobilityacross Trinity’s global network
• Interdisciplinary collaboration with experts in sustainability, environmental science, and digital infrastructure

About the Role

JB&B is seeking high-achieving engineering students to join our internship program for Summer 2026. JB&B’s Summer Internship is a 8-week program that provide students the opportunity to learn about design engineering across HVAC, Electrical, and Plumbing & Fire Protection trades. Students will work on active projects alongside a mentor, visit job sites, and learn various design software programs our engineers use. Students will also have development opportunities to network with leadership and their colleagues and participate in firm events.

The Summer 2027 Internship program will take place in-person at one of our office locations in New York, Boston, and Philadelphia.

All applications will be reviewed for relevant skills and qualifications. Applicants who make it to the final round will hear from our Human Resources team on next steps.

Qualifications

• Rising junior or senior students as of Summer 2026, pursuing a Bachelor's degree in Mechanical or Electrical Engineering (Master's degree students also accepted).
• Excellent oral and written communication.
• Demonstrated success in collaborating in a team environment.