Entry-Level Mechanical Engineer — HVAC & Plumbing

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

Benefits offered by this job

Hybrid work model

401k match and stock options

PTO and volunteer program

JB&B University training

Job summary

JB&B in Boston is seeking qualified, confident, and collaborative Entry-Level Engineers to join our HVAC and Plumbing & Fire Protection departments. This is an exciting chance 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 across sectors, collaborating with senior engineers and partners to gain hands-on experience while delivering meaningful client solutions.

Qualifications

• Bachelor's degree in mechanical engineering 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

Analytical skills

Communication skills

Organizational skills

Education

Bachelor's degree in mechanical engineering

Job description

JB&B in Boston is seeking qualified, confident, and collaborative Entry-Level Engineers to join our HVAC and Plumbing & Fire Protection departments. This is an exciting chance 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 across sectors, collaborating with senior engineers and partners to gain hands-on experience while delivering meaningful client solutions.