Senior Commercial HVAC Technician

About the role

Central Mechanical Services LLC, a rapidly growing family‑owned company specializing in commercial HVAC and mechanical solutions, is seeking a Senior Commercial HVAC Technician for its Phoenix, AZ location. The position focuses on commercial HVAC, hydronic systems, chillers, and boilers, and is a full‑time role.

Responsibilities

• Perform advanced diagnostic, maintenance, and repair work on commercial chillers, boilers, cooling towers, and hydronic systems.
• Troubleshoot complex mechanical, electrical, refrigerant, and combustion issues using detailed wiring diagrams and schematics.
• Service and optimize variable‑frequency drives, air‑handling equipment, pumps, and integrated control systems to ensure high performance.
• Serve as the primary onsite technical representative, communicating clearly and professionally with commercial facility managers.
• Mentor and guide junior technicians in the field to elevate overall team safety, technical proficiency, and execution.
• Maintain accurate documentation of equipment findings, service reports, and recommended system solutions.

Requirements

• EPA Section 608 Universal Certification
• Valid driver's license with a clean driving record

Qualifications

• Advanced expertise in diagnosing and servicing commercial chillers (centrifugal, screw, scroll, reciprocating) and hot‑water boilers.
• Deep proficiency in reading and interpreting electrical schematics, hydronic blueprints, and technical equipment manuals.
• Proven ability to work safely and independently while delivering top‑tier mechanical workmanship in the field.
• Excellent leadership, communication, and customer‑facing skills required for client representation and internal teamwork.

Skills

• 15+ years of hands‑on experience in commercial HVAC, boiler, and chiller field operations.
• Completion of a formal HVAC/R technical program or a recognized industry apprenticeship.
• Demonstrated history of mentorship and technical training of junior technicians in a field environment.
• Strong team mentality.

Benefits

• Bi‑weekly pay structure with overtime potential and performance‑based bonus opportunities.
• Comprehensive medical insurance coverage.
• Generous paid time off including paid holidays, vacation, and sick leave.
• Full tech package including a provided smartphone or tablet.
• Provided company vehicle and company uniforms.
• Access to ongoing safety and technical training, including OSHA, Fall Protection, Lift, and manufacturer‑specific certifications.

Pay

$45–$55 per hour plus performance bonus.

Schedule

Full‑time.