Join a team built by engineers
M3 Mechanical is a design-build commercial HVAC contractor headquartered in Southern California, delivering projects across the country. We're always looking for good technicians, project managers, estimators, and engineers.
Apply NowWhat sets working here apart
We build strong teams for reliability, growth, and long-term success.
Design-build depth
Work across the full HVAC lifecycle—from design and installation to service and maintenance.
Real projects, real scale
Commercial, industrial, retail, banking, multi-family, and warehouse work across the country.
Learn from veterans
Work alongside experienced HVAC professionals with decades of field, engineering, and construction knowledge.
REAL PROJECTS, REAL SCALE
Gain hands-on experience on complex commercial HVAC projects across multiple industries.
JOIN THE M3 TEAM
We are always looking for skilled Service Technicians and Installer Technicians who are ready to grow with M3.
Apply Now
Fill out the form below. Upload a resume if you have one — you can leave it blank and we'll follow up if the fit is right.
Ready to optimize your facility's climate?
Whether you need urgent repairs or are planning a new construction project, our team is ready to deploy.