Senior Commercial HVAC Chiller & Boiler Technician

Job Description

Job Description

Senior Chiller & Boiler Technician – Commercial HVAC/R

Job Overview:

• Company: Central Mechanical Services LLC
• Salary/Pay Rate: $45–$55/hr + performance bonus
• Location: Phoenix, AZ 
• Job/Employment Type: Full Time
• Project Scope: Commercial HVAC, Hydronic Systems, Chillers, and Boilers
• Mandatory Licenses & Certifications: EPA Section 608 Universal Certification, Valid Driver's License (Further certifications available)

The Opportunity:

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

How You Will Make an Impact:

• 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.

Required Qualifications & Experience:

• 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.

Preferred Qualifications & Experience:

• 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

Compensation & 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.

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 at

Central Mechanical Services LLC is an Equal Opportunity Employer and does not discriminate on the basis of race, color, religion, sex (including pregnancy, gender expression, and sexual orientation), parental status, national origin, age, disability, genetic information (including family medical history), political affiliation, military service, or any other status protected by law or regulations. It is our intention that all qualified applicants be given equal opportunity and that selection decisions be based on job-related factors.