Senior Mechanical Engineer

The Senior Mechanical Engineer is one of our Engineering Department’s hands‑on technical lead designers. This role is accountable for code‑compliant, buildable, well‑coordinated permit and construction documents, our designs get built. You won’t just issue drawings; you’ll watch your designs get installed, started up, and perform, giving you direct feedback from the field. This role is responsible for delivering code‑compliant, buildable, and well‑coordinated designs from concept through issued‑for‑construction (IFC).

The position works closely with project teams and the field, providing technical leadership, QA/QC oversight, and mentorship to junior engineers.

• Lead mechanical design from basis‑of‑design through permit and IFC deliverables
• Establish system selection, equipment sizing, and control strategies
• Design and troubleshoot air‑side and water‑side HVAC systems
• Ensure compliance with California and local building/energy codes

• Oversee quality of calculations, sizing, layouts, schedules, and details
• Perform coordination and constructability reviews to ensure buildable designs

• Collaborate with project managers, clients, and contractors on design solutions
• Participate in site walks and existing conditions assessments
• Support construction with submittals, RFIs, and design clarifications
• Guide and mentor junior engineers on technical skills and design standards
• Coordinate work across internal and external engineering resources
• Provide feedback on team development, tools, and process improvements

• 7–10 years of experience in commercial HVAC/mechanical design or construction
• PE license preferred
• Strong knowledge of HVAC systems, equipment, and installation practices
• Proficiency in load calculation software (e.g., HAP, Trace 700, Energy Pro)
• Proficiency in AutoCAD;
  Revit preferred
• Solid understanding of California and local building codes
• Strong communication skills and ability to collaborate across teams