Senior Commercial HVAC Field Lead & Systems Expert

Sancrest Llc; Phoenix (AZ); On-site; USD 70,000 - 95,000; Full time

Job summary

Sancrest Llc is seeking an experienced Lead Field Technician to oversee hands-on service for commercial and industrial HVAC/R systems in the Phoenix area. You will diagnose, repair, and optimize rooftop units, chillers, boilers, and control systems, while guiding junior techs and ensuring top-tier safety standards.

The role emphasizes customer-focused field leadership, preventive maintenance programs, and seamless startup support and commissioning.

Qualifications

• Experience servicing commercial/industrial HVAC/R equipment and control systems.
• Strong diagnostic and repair skills for complex mechanical and refrigeration systems.
• Ability to lead in the field while staying hands-on and customer-focused.

Responsibilities

• Diagnose, repair, and troubleshoot rooftop units, chillers, boilers, and HVAC/R control systems.
• Perform preventive maintenance to ensure reliable operation and equipment longevity.
• Support equipment startups and assist with commissioning activities.
• Optimize system performance and energy efficiency across varied building projects.
• Mentor and support junior technicians to maintain strong service quality.
• Maintain strict safety practices and ensure a safe, professional work environment.

Skills

HVAC troubleshooting

Field leadership

Preventive maintenance

Safety compliance

Mentoring

Job description

Sancrest Llc is seeking an experienced Lead Field Technician to oversee hands-on service for commercial and industrial HVAC/R systems in the Phoenix area. You will diagnose, repair, and optimize rooftop units, chillers, boilers, and control systems, while guiding junior techs and ensuring top-tier safety standards.

The role emphasizes customer-focused field leadership, preventive maintenance programs, and seamless startup support and commissioning.