Senior Mechanical Designer or Senior Mechanical Engineer

Mazzetti is seeking an experienced Senior Mechanical Designer or Senior Mechanical Engineer to lead the planning, design, and delivery of complex mechanical building systems for healthcare, science & technology, and infrastructure projects in Northern California. This hybrid role involves technical leadership, project delivery, and mentoring junior team members while collaborating with multidisciplinary teams and clients. The position requires advanced expertise in HVAC design, code compliance, and construction administration, with a strong preference for healthcare and HCAI project experience.