Senior Mechanical Engineer

position Summary:

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.

Key Responsibilities:

Design Leadership & Execution

• 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

QA/QC & Standards

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

Coordination & Field Support

• 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

Mentorship & Team Support

• 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

Minimum Qualifications:

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