Mechanical Senior Engineer (Pe Required)

AMIRI BUILDING ENGINEERING dba 120 DEGREEZ • San Diego, CA

5d • Onsite

About The Position

This role is for a licensed Mechanical Professional Engineer who wants to lead complex HVAC projects, influence technical standards, and operate at a high level within a growing MEP firm. You will not be a production-only engineer. You will be trusted with design authority, QA/QC accountability, and client-facing leadership. This role is for individuals who take ownership of their work and project outcomes, are confident making technical decisions and standing behind them, have strong experience with U.S.-based commercial HVAC design, and want to grow into higher-level leadership within a structured firm.

Requirements

• Active Professional Engineer (PE) license (U.S.)
• 8+ years of mechanical (HVAC) design experience
• Strong experience with U.S. commercial projects
• Proficiency in Revit and mechanical design software
• Strong understanding of mechanical codes and California requirements
• Experience performing HVAC load calculations and system design
• Ability to lead coordination and communicate with clients
• Candidates must be authorized to work in the United States without current or future sponsorship requirements.

Nice To Haves

• Candidates with less than 4 years of relevant MEP experience
• Candidates without U.S.-based project experience
• Candidates not proficient in Revit
• Individuals seeking heavily supervised or entry-level roles

Responsibilities

• Lead HVAC system design for commercial, mixed-use, and institutional projects
• Oversee QA/QC across multiple projects to reduce errors and liability
• Perform and review heating/cooling load calculations and system sizing
• Design and review ductwork, piping, and hydronic systems
• Support project managers with technical forecasting and risk planning
• Participate in client meetings and represent the firm at a senior level
• Contribute to internal standards and technical training

Benefits

• 401(k) with up to 3% employer match
• 70% employer-paid medical insurance
• 100% dental and vision insurance
• $1,500 annual professional development and certification allowance
• Paid Company Holidays
• 2 weeks of Paid Time Off (PTO)
• 1 week Paid Sick Leave
• 100% employer-paid life insurance
• Clear career advancement pathway from Designer through Principal
• Collaborative, structured, and growth-focused work environment

What This Job Offers

• Job Type: Full-time
• Career Level: Senior