Senior Mechanical Engineer, HVAC & Plumbing Design

NAI Consulting Engineers; Pasadena (CA); On-site; USD 90,000 - 130,000; Full time

Job summary

NAI Consulting Engineers in Pasadena seeks a Senior Mechanical Engineer (HVAC/Plumbing) to lead building systems design for commercial, institutional, and residential projects. This on-site role involves designing calculations, sizing equipment, and producing detailed construction documents.

You will coordinate with internal teams, collaborate with external partners, review submittals, and perform site visits to support construction administration.

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field.
• PE license preferred or eligibility.
• Experience in HVAC and plumbing system design for buildings.
• Strong writing and communication skills.

Responsibilities

• Lead mechanical design for HVAC and plumbing systems.
• Coordinate with electrical and plumbing teams; review drawings.
• Prepare construction documents and specifications.
• Mentor junior engineers and ensure code compliance.
• Perform site visits to support construction administration.

Skills

Mechanical engineering

HVAC design

Plumbing design

Project management

Code compliance

Mentoring

Technical writing

CAD tools

Education

Bachelor's degree in Mechanical Engineering

PE license or eligibility

Tools

CAD tools

Revit / BIM

Energy modeling

Job description

NAI Consulting Engineers in Pasadena seeks a Senior Mechanical Engineer (HVAC/Plumbing) to lead building systems design for commercial, institutional, and residential projects. This on-site role involves designing calculations, sizing equipment, and producing detailed construction documents.

You will coordinate with internal teams, collaborate with external partners, review submittals, and perform site visits to support construction administration.