Senior Mechanical Design Engineer (PE) — Lead HVAC Systems

LVI Associates; Tempe (AZ); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

100% employee-owned company

401(k) with generous match

Medical, dental, vision coverage

Performance-based bonus opportunities

Paid parental leave

Generous PTO and holidays

Licensing support

Company-paid memberships

Wellness initiatives

Clear advancement opportunities

Job summary

LVI Associates in Tempe, AZ, is seeking a Senior Mechanical Design Engineer (PE) to lead HVAC building systems design for commercial and institutional projects. You will own design from concept through construction, mentor junior engineers, and collaborate with architects, contractors, and clients.

The role requires a PE license, a BS in Mechanical Engineering, and 5+ years of experience. You will perform calculations, develop layouts, and guide teams.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• Professional Engineer (PE) license required.
• 5+ years of mechanical building systems design experience.
• Ability to interpret mechanical and plumbing drawings and construction docs.

Responsibilities

• Lead mechanical system design efforts for small and large-scale projects.
• Participate in project planning sessions and act as key technical contributor.
• Develop conceptual and detailed HVAC layouts for estimates and construction docs.
• Perform heating/cooling load calculations, equipment sizing, and duct/pipe sizing.
• Conduct field visits and construction-phase reviews to ensure design intent.
• Provide mentorship to junior engineers and designers.
• Coordinate with clients, architects, contractors, and internal teams.
• Assist in resolving construction and design challenges during execution.

Skills

PE license

5+ years experience

HVAC design

Client interaction

Mentorship

Education

Bachelor's degree in Mechanical Engineering

Tools

AutoCAD/Revit

Job description

LVI Associates in Tempe, AZ, is seeking a Senior Mechanical Design Engineer (PE) to lead HVAC building systems design for commercial and institutional projects. You will own design from concept through construction, mentor junior engineers, and collaborate with architects, contractors, and clients.

The role requires a PE license, a BS in Mechanical Engineering, and 5+ years of experience. You will perform calculations, develop layouts, and guide teams.