RNC Startup Technician

Sonoran Mechanical Systems LLC; Peoria (AZ); On-site; USD 50,000 - 70,000; Full time

Job summary

Sonoran Mechanical Systems LLC in Peoria, Arizona is seeking an HVAC Start‑Up Technician responsible for the installation, start‑up, diagnostics, maintenance, and repair of various HVAC systems. The role demands strong technical skills and the ability to work independently or as part of a team.

Experience with HVAC systems, refrigeration principles, and the ability to lift heavy equipment is required. Candidates should be prepared for travel between project sites. An inclusive environment is prioritized.

Qualifications

• Strong understanding of refrigeration principles, system operations, and troubleshooting techniques.
• Experience with air balancing and static pressure diagnostics is a plus.
• Ability to work independently and effectively in a fast-paced environment.

Responsibilities

• Perform system start-ups, observe operation, and ensure proper functionality.
• Adjust mechanisms to regulate fluid levels, pressure, and system temperatures.
• Diagnose, service, and repair a variety of commercial HVAC equipment.
• Conduct preventive maintenance including cleaning and replacing parts.
• Assist with air balancing and assess static pressure in HVAC systems.

Skills

HVAC experience

Refrigeration principles understanding

Troubleshooting techniques

Air balancing

Job description

Job Overview: The HVAC Start‑Up Technician will be responsible for assisting with the installation, start‑up, diagnostics, maintenance, and repair of various commercial HVAC systems. This role requires strong technical skills, troubleshooting expertise, and the ability to work independently or as part of a team in a commercial construction environment.

Responsibilities

• Perform system start‑ups, observe operation, and interpret gauges and instruments to ensure proper functionality.
• Adjust mechanisms such as valves, controls, and pumps to regulate fluid levels, pressure, and system temperatures.
• Diagnose, service, and repair a variety of commercial HVAC equipment, including DX equipment, water source heat pumps, gas‑fired and electric heating systems, direct expansion air conditioning systems, low‑voltage temperature control systems, air handling equipment and duct systems, hydronic cooling and heating systems, chilled and hot water systems, and boilers.
• Conduct preventive maintenance, including cleaning condenser and evaporator coils, fans, and ductwork, and replacing air filters.
• Identify and replace defective or worn parts to maintain proper system operation.
• Assist with air balancing and assess static pressure in HVAC systems.

Qualifications and Requirements

• HVAC experience preferred.
• Strong understanding of refrigeration principles, system operations, and troubleshooting techniques.
• Experience with air balancing and static pressure diagnostics is a plus.
• Familiarity with chilled water, hot water systems, and boiler operations.
• Ability to work independently and effectively in a fast‑paced environment.
• Work environment is field based: must be able to work on ladders, lifts, and in elevated areas, lift heavy equipment, walk, stand, climb ladders, and work at varying heights and outdoor temperatures; ability to squat, bend, climb, stoop and comfortably lift 75 lbs.; requires travel between project sites.
• Ability to pass a full background screening that includes a criminal background check, drug test, and driving record.

Airtron is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.