Senior Mechanical Engineer - HVAC 

Join a growth-stage manufacturer that designs and delivers cutting-edge modular facilities for highly regulated, mission-critical environments. You will be the in-house HVAC authority, steering projects from napkin sketch through stamped construction documents while mentoring a small but mighty team. Your work keeps medical, advanced-manufacturing, and research customers operating at peak performance - and gives you a front-row seat to the future of clean-technology infrastructure. 

This Role Offers: 

• Impact. Own the HVAC discipline for breakthrough modular facilities changing the way critical environments are delivered. 
• Growth. Chart a clear path to Principal Engineer or Engineering Manager as the technical team scales. 
• Culture. Values-driven organization that prizes initiative, collaboration, and doing the right thing - every time. 
• Competitive package. Market-leading salary, performance bonus, robust health benefits, 401(k) match, and generous PTO. 

Focus: 

• Bachelor’s degree in Mechanical Engineering (or related). 
• Active U.S. P.E. license with HVAC or mechanical emphasis. 
• 5+ years in design-build construction, including 3+ years focused on HVAC systems for controlled or classified environments. 
• Advanced proficiency with AutoCAD Revit for BIM coordination. 
• Demonstrated ability to take projects from concept through sealed construction documents and support field execution. 

Skill Set: 

• 3+ years of roofing estimation or exterior-construction sales experience. 
• Proficiency with estimating tools such as Xactimate, The EDGE, or RoofSnap plus everyday office software. 
• Practical knowledge of steep-slope and low-slope roofing systems, local codes, and safety practices. 
• Documented history of closing projects ranging from $10K to $500K. 
• Comfort working at heights and outdoors in varied weather; ability to climb ladders and access rooftops. 
• Valid driver’s license with a clean record and willingness to travel throughout greater Phoenix. 

Preferred & Bonus Skills: 

• SolidWorks or similar for component-level modeling and stress/deflection analysis.  
• Familiarity with cleanroom ISO classifications, radiation shielding, or other highly regulated facility standards. 
• Experience managing multi-disciplinary teams and mentoring junior engineers.