Entry-Level Mechanical Engineer - HVAC & PFP Systems Hybrid

jbb; Philadelphia (Philadelphia County); Hybrid; USD 79,000 - 82,000; Full time

Benefits offered by this job

Hybrid work model

401k match

Stock options

PTO

Volunteer program

ERGs

JB&B University

Job summary

Jaros, Baum & Bolles (JB&B), now part of Trinity’s Built Environment division, seeks entry-level engineers to join our Philadelphia HVAC and Plumbing & Fire Protection teams.

You will work with senior engineers on a wide range of projects, gaining hands-on experience and delivering practical client solutions.

Applicants should have a bachelor’s degree in mechanical engineering by Summer 2026 and strong communication skills; mentorship and growth are emphasized.

Qualifications

• 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

Skills

Analytical

Communication

Organizational skills

Collaborative

Learning mindset

Education

Bachelor's degree in Mechanical Engineering (by Summer 2026)

Job description

Jaros, Baum & Bolles (JB&B), now part of Trinity’s Built Environment division, seeks entry-level engineers to join our Philadelphia HVAC and Plumbing & Fire Protection teams.

You will work with senior engineers on a wide range of projects, gaining hands-on experience and delivering practical client solutions.

Applicants should have a bachelor’s degree in mechanical engineering by Summer 2026 and strong communication skills; mentorship and growth are emphasized.