Senior HVAC Service Technician – Advanced Level

MSS Solutions, LLC; Lexington (SC); On-site; USD 52,000 - 79,000; Full time

Job summary

MSS Solutions, LLC is hiring a Service Technician – HVAC III to support preventative maintenance, troubleshooting, and repair of light to mid-size commercial HVAC equipment. The role requires deep knowledge of electrical systems, duct design, and DDC control components, with responsibilities including equipment logs and coordination with team members.

Based in the Lexington, SC area, the technician will work under supervision, perform scheduled maintenance, and ensure safety and accuracy in all

Qualifications

• Universal EPA certification.
• Ability to understand mechanical drawings and equipment specifications.
• Troubleshoot complex high and low-voltage electrical systems; read wiring schematics.
• Understand large HVAC equipment (>25 tons), SWUD units, VRF, chillers and pumps.
• Thorough understanding of DDC controls and pneumatic systems.
• Ability to communicate with customers and explain complex technical issues.

Responsibilities

• Assist the Senior HVAC technicians.
• Perform preventative maintenance contracts.
• Troubleshoot, repair, and maintain light commercial equipment.
• Log maintenance and equipment data; document in project database.
• Complete assigned tasks with minimal call-backs and timely paperwork.

Skills

Universal EPA certification

Mechanical drawings

Electrical troubleshooting

Wiring schematics

HVAC equipment knowledge

DDC controls & pneumatics

Customer communication

Valid driver's license

Background check & drug test

Heavy physical work

Job description

MSS Solutions, LLC is hiring a Service Technician – HVAC III to support preventative maintenance, troubleshooting, and repair of light to mid-size commercial HVAC equipment. The role requires deep knowledge of electrical systems, duct design, and DDC control components, with responsibilities including equipment logs and coordination with team members.

Based in the Lexington, SC area, the technician will work under supervision, perform scheduled maintenance, and ensure safety and accuracy in all