Senior HVAC Chiller & Controls Field Technician

Energy Jobline ZR; San Antonio (TX); On-site; USD 37,000 - 62,000; Full time

Benefits offered by this job

Company vehicle

Tools and field technology provided

Health, dental, vision benefits

Paid time off and holidays

Continued training and advancement

Job summary

Kelso Industries, a nationwide HVAC solutions provider, seeks experienced HVAC Journeymen Technicians to service large commercial and industrial facilities in Houston and San Antonio markets. You will diagnose complex chillers, perform preventative maintenance, and optimize system performance while prioritizing safety and compliance.

We value technical expertise, independent work habits, and a safety-first mindset.

Qualifications

• Active Texas HVAC Journeyman License (TDLR).
• EPA 608 Universal Certification.
• 5+ years of commercial HVAC experience with heavy chiller systems.
• Experience with BAS/DDC controls platforms.
• Strong electrical troubleshooting across low/high voltage.
• Valid Texas driver's license in good standing.
• Able to lift 50 lbs and work in mechanical rooms and rooftops.

Responsibilities

• Diagnose and repair large tonnage chillers (air- and water-cooled).
• Commission and start up chiller and controls systems for peak efficiency.
• Identify and resolve electrical, mechanical, and controls issues.
• Perform scheduled preventive maintenance on chillers, towers, pumps, boilers.
• Interpret blueprints and control schematics.
• Document service work, repairs, and recommendations clearly.
• Communicate findings and next steps to customers.
• Adhere to safety requirements and EPA standards.
• Mentor apprentices and junior technicians when applicable.

Skills

HVAC troubleshooting

Independent worker

Safety compliance

Customer communication

Education

Factory certifications on major chillers

Tools

BAS/DDC controls platforms

Job description

Kelso Industries, a nationwide HVAC solutions provider, seeks experienced HVAC Journeymen Technicians to service large commercial and industrial facilities in Houston and San Antonio markets. You will diagnose complex chillers, perform preventative maintenance, and optimize system performance while prioritizing safety and compliance.

We value technical expertise, independent work habits, and a safety-first mindset.