Senior Mechanical Engineer – Building Systems Designer

Owen Thomas Group; Philadelphia (Philadelphia County); On-site; USD 90,000 - 130,000; Full time

Job summary

Owen Thomas Group is seeking a Mechanical Engineer to join our Philadelphia office with a strong background in building design across residential, commercial, performing arts, and higher education facilities. You will work with clients and a multidisciplinary team to deliver comprehensive building system solutions.

The role involves designing HVAC systems, performing load calculations, selecting equipment, and producing construction documents while collaborating with architects and engineers to

Qualifications

• Bachelor's degree in Mechanical Engineering from an accredited institution.
• 5+ years of experience designing HVAC systems for commercial or institutional buildings.
• Experience with building systems design and project delivery.
• Strong proficiency with AutoCAD and Revit.
• Knowledge of building codes and industry standards.
• Experience with Microsoft Office Suite.
• EIT or PE license preferred.
• Strong analytical and problem-solving skills.
• Ability to manage multiple projects and meet deadlines.
• Excellent written and verbal communication skills.

Responsibilities

• Design mechanical systems including HVAC, heating and cooling systems, ventilation, air and water distribution, heat rejection, building automation, and controls.
• Perform load calculations and system design calculations.
• Select and evaluate mechanical equipment for building systems.
• Support sustainable design initiatives and energy-efficient solutions.
• Prepare construction documents, drawings, and technical specifications.
• Assist with reports, studies, and project documentation.
• Collaborate with architects and engineers across multiple disciplines.
• Attend client meetings, understand project needs, and provide technical guidance.
• Manage portions of projects, maintain quality standards, and support client relationships.

Skills

Analytical thinking

Problem solving

Communication skills

Multi-project management

Education

Bachelor's degree in Mechanical Engineering

Tools

AutoCAD

Revit

Microsoft Office

Job description

Owen Thomas Group is seeking a Mechanical Engineer to join our Philadelphia office with a strong background in building design across residential, commercial, performing arts, and higher education facilities. You will work with clients and a multidisciplinary team to deliver comprehensive building system solutions.

The role involves designing HVAC systems, performing load calculations, selecting equipment, and producing construction documents while collaborating with architects and engineers to