Commercial Boiler & HVAC/R Service Technician

Job Description

Job Description

Commercial Boiler & HVAC/R Service Technician

JAX Mechanical Boilers & HVAC
Location: San Diego County & Southern California Service Area
Employment Type: Part-Time with Full-Time Advancement Opportunities
Compensation: $28.00 - $45.00 per hour (DOE)

About JAX Mechanical

JAX Mechanical is a growing family-owned commercial mechanical contractor specializing in commercial boiler systems, hydronic heating, steam systems, HVAC/R, plumbing, controls integration, and energy-efficient mechanical solutions throughout Southern California.

With nearly 8 years of successful operation and consistent year-over-year growth, we have built a strong reputation for delivering high-quality workmanship, reliable service, and expert solutions for complex commercial and industrial mechanical systems.

Our team is passionate about providing long-lasting mechanical solutions while maintaining the personalized service and values that come from being a family-run business. We offer opportunities for skilled trades professionals to expand their knowledge, take on new challenges, and build long-term careers in a specialized and continually evolving industry.

Learn more about our projects and company at:

Position Overview

JAX Mechanical is seeking motivated Entry-Level and Experienced Commercial Boiler & HVAC/R Service Technicians to join our growing team.

This position provides hands-on training and career advancement opportunities for individuals interested in commercial mechanical systems. Technicians will assist with and perform installation, maintenance, troubleshooting, repair, startup, and inspection of commercial boiler systems, HVAC equipment, refrigeration equipment, pumps, controls, piping systems, and related mechanical equipment.

This role may begin as part-time and transition into a full-time position based on workload, performance, and California employment compliance requirements.

Top pay is available for experienced commercial boiler and HVAC/R technicians.

Responsibilities

• Install, service, repair, and maintain commercial boiler systems.
• Diagnose and troubleshoot steam, hot water, hydronic, and combustion systems.
• Service and repair commercial HVAC and refrigeration equipment.
• Perform preventative maintenance inspections and system evaluations.
• Assist with piping, pumps, valves, controls, and equipment replacement projects.
• Conduct combustion analysis, startup procedures, and operational testing.
• Read and interpret mechanical drawings, schematics, wiring diagrams, and service manuals.
• Complete service reports, inspection reports, and maintenance documentation accurately.
• Maintain a safe and professional work environment.
• Communicate effectively with customers, property managers, vendors, and team members.
• Participate in ongoing technical training and certification programs.
• Follow OSHA and company safety procedures.

Commercial Systems You'll Work On

• High-efficiency condensing boilers
• Hydronic heating systems
• Steam boiler systems
• Pumps and pumping systems
• Expansion tanks and heat exchangers
• Commercial HVAC equipment
• Refrigeration systems
• Building automation and control systems
• Mechanical rooms serving schools, multifamily properties, hospitals, hotels, commercial facilities, and industrial applications

Qualifications

Entry-Level Technician

• 0–2 years of experience in mechanical, HVAC, plumbing, construction, or related trades.
• Mechanical aptitude and willingness to learn.
• Basic knowledge of hand and power tools.
• Strong work ethic and positive attitude.
• Desire to build a long-term career in the mechanical trades.

Experienced Technician

• 2+ years of experience servicing commercial boilers, HVAC/R systems, plumbing systems, or related mechanical equipment.
• Ability to diagnose and repair mechanical and electrical issues.
• Knowledge of combustion systems, hydronics, steam systems, and controls preferred.
• Ability to work independently and manage service calls.

Preferred Skills & Certifications

• Commercial boiler service experience
• Commercial HVAC/R troubleshooting and repair
• Hydronic and steam system knowledge
• Building Automation Systems (BAS)
• Combustion analysis
• Electrical troubleshooting
• Welding, brazing, soldering, or pipefitting experience
• EPA Certification
• OSHA 10 or OSHA 30 Certification
• Strong customer service and communication skills

Requirements

• Valid California Driver's License with a clean driving record.
• Reliable transportation.
• Ability to pass background screening and drug testing if required.
• Authorization to work in the United States.
• Ability to work independently and as part of a team.

Physical Requirements

• Ability to lift up to 75 pounds.
• Ability to climb ladders and work on rooftops.
• Ability to work in mechanical rooms, crawl spaces, and confined areas.
• Ability to stand, kneel, bend, and perform physical labor throughout the workday.
• Ability to work in varying weather and jobsite conditions.

Benefits

• Competitive hourly pay based on experience.
• Overtime opportunities when available.
• Career advancement opportunities.
• Specialized boiler and HVAC/R training.
• Performance-based bonus opportunities.
• Exposure to unique commercial and industrial mechanical systems.
• Supportive, family-oriented work environment.
• Potential transition from part-time to full-time employment.

Additional benefits may be available based on employment status and company policy.

Schedule

• Monday through Friday
• Flexible scheduling based on project workload
• Occasional overtime and emergency service work opportunities
• Day shift with rotating on-call opportunities as needed

Why Join JAX Mechanical?

At JAX Mechanical, you'll gain experience working on specialized commercial boiler and HVAC/R systems that few contractors service. Whether you're entering the trade or bringing years of experience, you'll have the opportunity to learn, grow, and advance within a company that values craftsmanship, integrity, safety, and professional development.

If you're looking for more than just a job and want to build a long-term career in the commercial mechanical industry, we'd like to hear from you.

Apply Today

Submit your application through ZipRecruiter or visit:

JAX Mechanical Boilers & HVAC
Commercial Boiler, HVAC/R, Hydronic & Mechanical System Specialists

Jax Mechanical is a growing, family-owned mechanical company specializing in boiler systems, hydronic heating, and plumbing services across San Diego County and the surrounding communities.

With nearly 8 years of successful operation and consistent year-over-year growth, our company has built a strong reputation for delivering high-quality workmanship, reliable service, and expert solutions for complex boiler and heating systems.

Our team is passionate about providing long-lasting mechanical solutions while maintaining the personalized service and values that come from being a family-run business. We are proud to offer a work environment where skilled trades professionals can expand their knowledge, take on new challenges, and build long-term careers in a specialized and continually evolving industry.

Company Description

Jax Mechanical is a growing, family-owned mechanical company specializing in boiler systems, hydronic heating, and plumbing services across San Diego County and the surrounding communities.\r\n\r\nWith nearly 8 years of successful operation and consistent year-over-year growth, our company has built a strong reputation for delivering high-quality workmanship, reliable service, and expert solutions for complex boiler and heating systems.\r\n\r\nOur team is passionate about providing long-lasting mechanical solutions while maintaining the personalized service and values that come from being a family-run business. We are proud to offer a work environment where skilled trades professionals can expand their knowledge, take on new challenges, and build long-term careers in a specialized and continually evolving industry.