Mechanical Designer III

AMIRI BUILDING ENGINEERING dba 120 DEGREEZ•San Diego, CA

2d•Onsite

About The Position

This is an on-site position based in San Diego, California for an experienced Mechanical Designer who wants to lead the technical execution of HVAC and mechanical system designs, mentor junior designers, coordinate multidisciplinary projects, and contribute to the continued growth of a rapidly expanding MEP engineering firm. At 120 Degreez, we invest in our team's long-term success—professionally and personally. We challenge our team members to combine creativity and strategic thinking; it's the winning combination for exceptional outcomes. With a collective spirit, our team dives deeper and pursues exciting, forward-thinking solutions. At 120 Degreez Engineering, we believe in that strategy, accuracy, and creativity are the bedrock of innovative design. We combine advanced building science, technical expertise, and a deep understanding of regulatory requirements. Together, our firm assists our clients in achieving success by engineering high-performance projects.

Requirements

7+ years of U.S.-based commercial mechanical HVAC design experience.
Strong proficiency in Revit, AutoCAD, Bluebeam, Carrier HAP, TRACE 3D Plus, or other industry-standard mechanical design software.
Experience preparing construction documents for commercial MEP projects.
Thorough understanding of the California Mechanical Code (CMC), California Building Code (CBC), California Energy Code (Title 24), ASHRAE standards, and applicable industry codes.
Experience performing HVAC load calculations, equipment selection, ductwork and piping layouts, and multidisciplinary coordination.
Excellent communication, organization, and time management skills.
Ability to manage multiple projects while meeting deadlines.
Candidates must be authorized to work in the United States without current or future sponsorship requirements.

Nice To Haves

Extensive experience designing U.S.-based commercial HVAC and mechanical systems.
Desire to grow into future engineering and project leadership opportunities.

Responsibilities

Lead the technical execution of HVAC and mechanical system designs.
Mentor junior designers.
Coordinate multidisciplinary projects.
Design HVAC, ventilation, exhaust, hydronic, refrigeration (as applicable), and other mechanical building systems for commercial projects.
Produce complete construction documents utilizing Revit and AutoCAD.
Coordinate mechanical system designs with electrical, plumbing, architectural, and structural disciplines.
Perform HVAC load calculations, equipment selections, duct sizing, piping layouts, and energy compliance coordination.
Review project drawings for accuracy, constructability, and compliance with company QA/QC standards.
Mentor junior designers and assist with technical development across the mechanical team.
Participate in client meetings, project coordination meetings, and internal design reviews.
Support Project Managers and Engineers with project execution while maintaining schedule and quality expectations.