Remote IA, United States of America Remote (City) Full-time

Thermosystems is hiring a Journeyman

About the Role

What You'll Do

Perform routine and emergency maintenance on commercial HVAC systems, ensuring reliable operation across diverse environments. Conduct thorough inspections, diagnose complex system issues, and execute precise repairs or replacements of components, controls, and wiring.

Use advanced tools and methods to perform pipefitting and brazing on both chiller (CATI) and non-chiller (CATII) systems. Independently verify equipment functionality during installation and warranty service, applying logic and technical knowledge to resolve performance issues.

Program and configure control systems using touchscreens and computers, including downloading software into microcontrollers. Analyze operational data trends to optimize system efficiency and support long-term reliability.

Interact directly with building owners and facility staff, explaining technical details in clear terms and advising on proper equipment use and maintenance schedules. Prepare wiring diagrams and maintain accurate service records for each job.

Communicate findings and improvement opportunities to internal teams, including potential service upgrades. Follow strict safety protocols, complete hazard assessments, and wear required protective gear on every site visit.

Requirements

  • Associate degree or technical school certification in HVAC, or equivalent field experience
  • Minimum of 5 years of progressively responsible experience in commercial HVAC service
  • Valid driver’s license with a clean driving record
  • State-specific HVAC license or certification as required by local regulations
  • EPA Universal Technician Certification, where applicable
  • Proficiency with control systems, microcontrollers, and digital diagnostics
  • Ability to interpret technical manuals, schematics, and system data
  • Strong written and verbal communication skills across technical and non-technical audiences
  • Experience with VRV/VRF, magnetic bearing technology, and intelligent equipment

Benefits

  • Medical, dental, and vision insurance
  • Short-term disability and life insurance
  • Paid time off and paid holidays
  • 401(k) plan with profit sharing
  • Factory-authorized training programs
  • Refrigeration certification support
  • Ongoing professional development in emerging HVAC technologies
  • Access to company-provided vans, laptops, and mobile devices
  • Opportunity to work with cutting-edge commercial systems
Required Skills
HVAC equipmentCATI (Chillers)CATII (Non-Chiller)Intelligent EquipmentMagnetic Bearing TechnologyVRV|VRF TechnologyControl systemsTouchscreensComputersMicro controllersState license or certificationsEPA approved Universal Technician CertificationDriver's licenseTechnical school certificate5+ years experience HVAC equipmentCATI (Chillers)CATII (Non-Chiller)Intelligent EquipmentMagnetic Bearing TechnologyVRV|VRF TechnologyControl systemsTouchscreensComputersMicro controllersState license or certificationsEPA approved Universal Technician CertificationDriver's licenseTechnical school certificate5+ years experience
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About company
Thermosystems
Founded in 2000, Thermosystems, a member of the Daikin group, is a manufacturer’s representative specializing in commercial heating, ventilation, and air conditioning (HVAC) products and controls. Our mission is to be the trusted partner behind complete HVAC solutions, bringing the expertise and guidance our customers deserve—because better buildings start with better partners. Headquartered in Elmhurst, Illinois, we operate offices in Elmhurst, Romeoville, Peoria, Chicago, the Quad Cities, and Des Moines. Our organization includes dedicated equipment, solutions, and service sales teams, along with a comprehensive parts and full-service department to support the products we represent.
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Job Details
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Posted 22 days ago