Senior Chiller Technician
Position: Senior Chiller Technician
Location: Dallas-Fort Worth, TX
Pay Range: Competitive, Based on Experience + Bonus
Benefits:
- Company-paid medical insurance
- Company-paid dental insurance
- Company-paid vision insurance
- Paid time off
- Bonus opportunities
- 401(k) participation
- Company vehicle and necessary field equipment
- OEM and factory training opportunities
- Long-term career growth within an expanding service organization
Tiello has partnered with a rapidly growing commercial HVAC equipment and building solutions provider seeking an experienced Senior Chiller Technician to support customers throughout the Dallas-Fort Worth market.
This is a highly technical field position focused on large-tonnage commercial HVAC equipment, chillers, equipment startups, commissioning, warranty service, and advanced troubleshooting. The Senior Chiller Technician will serve as a trusted technical resource for customers, contractors, manufacturers, and internal service personnel while supporting some of the most complex HVAC systems in the market.
The ideal candidate is a seasoned chiller professional who can independently diagnose difficult mechanical, electrical, and controls-related issues and enjoys being the person others call when a system isn`t operating the way it should.
Key Responsibilities
- Perform startup, commissioning, troubleshooting, service, and repair of commercial chiller systems
- Diagnose and repair air-cooled and water-cooled chillers, including centrifugal and screw equipment
- Troubleshoot complex mechanical, electrical, refrigerant, and controls-related issues
- Perform factory-authorized startup and warranty work on represented HVAC equipment
- Inspect operating conditions, identify performance issues, and recommend corrective action
- Perform preventive maintenance and equipment inspections to maximize reliability and system performance
- Diagnose electronic controllers, sensors, VFDs, safeties, communication issues, and related control components
- Support controller upgrades and equipment optimization initiatives
- Coordinate directly with manufacturers and factory technical support on complex equipment issues
- Assist with warranty claims, replacement parts, and technical documentation
- Support large service projects involving subcontractors, equipment, materials, scheduling, and customer coordination
- Provide technical guidance and mentorship to developing service technicians
- Communicate findings, recommendations, and repair options clearly to owners, contractors, engineers, and facility personnel
- Complete detailed service reports and required documentation accurately and on time
- Participate in OEM and factory training to maintain advanced knowledge of equipment and emerging technologies
- Support national account projects and occasional travel as needed
Required Qualifications
- 5+ years of commercial HVAC service experience, with significant hands-on experience servicing large-tonnage chillers
- Strong experience troubleshooting air-cooled and/or water-cooled chiller systems
- Advanced understanding of refrigeration cycles, compressors, heat exchangers, pumps, hydronic systems, and associated HVAC equipment
- Strong electrical troubleshooting skills, including the ability to diagnose motors, starters, VFDs, sensors, safeties, and control circuits
- Ability to read and interpret mechanical drawings, wiring diagrams, control schematics, and technical documentation
- Ability to independently diagnose complex equipment failures and determine appropriate corrective action
- Strong understanding of commercial HVAC safety practices and proper service procedures
- Valid driver`s license and clean driving record
- Strong customer-facing communication skills
- Ability to work independently and take ownership of service calls from diagnosis through resolution
Preferred Qualifications
- Direct experience with centrifugal and screw chillers
- OEM experience with manufacturers such as Trane, Carrier, York/Johnson Controls, Daikin, Smardt, or similar
- Experience performing factory startups and commissioning
- Experience with magnetic-bearing or oil-free chiller technology
- Familiarity with Building Automation Systems (BAS) and equipment controls
- Experience with BACnet, Modbus, or similar communication protocols
- Experience working with MCS or comparable equipment controllers
- EPA Universal Certification
- OEM or factory certifications highly preferred
Physical & Work Environment Expectations
- Regular travel to commercial and industrial customer facilities throughout the Dallas-Fort Worth market
- Ability to work in mechanical rooms, rooftops, equipment yards, and active commercial facilities
- Ability to safely lift and handle tools, parts, and service equipment
- Ability to climb ladders and access mechanical equipment as required
- Occasional travel outside the DFW market for national account projects, specialized startups, or factory training
Applicants must be authorized to work in the U.S.
Tiello LLC is proud to be an Equal Opportunity Employer
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, or any other characteristic protected by law.
Your Right to Work - In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.
Apply now
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