Entry-Level Mechanical Engineer: HVAC & Plumbing Design

JB; Boston (MA); Hybrid; USD 79,000 - 82,000; Full time

Benefits offered by this job

Hybrid workplace

401k match

Stock options

PTO

Volunteer program

Job summary

JB&B invites entry‑level engineers to join our HVAC and Plumbing & Fire Protection teams in Boston. You will work on diverse projects under senior engineers and partners, gaining hands‑on experience while delivering practical client solutions.

Founded in 1915, JB&B and its merger within Trinity’s Built Environment division offer mentorship, collaboration, and exposure to industry‑leading building systems. This role is ideal for a recent graduate eager to learn and grow.

Qualifications

• Bachelor's degree in mechanical engineering or related field required by Summer 2026.
• Strong analytical, communication, and organizational skills.
• Eagerness to learn and grow in a collaborative environment.

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.

Skills

Strong analytical skills

Excellent communication

Organizational skills

Education

Bachelor's degree in Mechanical Engineering

Job description

JB&B invites entry‑level engineers to join our HVAC and Plumbing & Fire Protection teams in Boston. You will work on diverse projects under senior engineers and partners, gaining hands‑on experience while delivering practical client solutions.

Founded in 1915, JB&B and its merger within Trinity’s Built Environment division offer mentorship, collaboration, and exposure to industry‑leading building systems. This role is ideal for a recent graduate eager to learn and grow.