Senior Commercial HVAC Chiller & Boiler Technician

Company: Central Mechanical Services LLC
Location: Phoenix, AZ
Employment Type: Full Time

About the Role

You will serve as a lead technical expert, driving the successful operation, diagnostic troubleshooting, and repair of complex commercial HVAC systems. This high-impact role allows you to solve challenging mechanical problems while mentoring junior technicians in a rapidly growing, family-owned company that values your contribution. You will enjoy the autonomy of field operations backed by a team that treats you like a core partner.

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 and a valid driver's license with a clean driving record.
• 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.

Qualifications

• 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.

Pay

$45 to $55 per hour plus performance-based bonus.

Benefits

• Bi-weekly pay structure with overtime potential.
• 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.

About Us

Central Mechanical Services LLC is a rapidly growing, family-owned company specializing in commercial HVAC and mechanical solutions. We provide steady work and diverse project opportunities within a supportive culture that prioritizes quality workmanship, team growth, and personal respect.

Learn more about us.