Senior HVAC Mechanic – On-Call Lead Technician

Texas A&M International; San Antonio (TX); On-site; USD 42,000 - 70,000; Full time

Job summary

Texas A&M International is seeking an HVAC Mechanic II-III in the Facilities department to perform complex maintenance, installation, and repair of HVAC systems in medium and large facilities. On-call rotation and after-hours responsiveness are required.

The role requires knowledge of boilers, DX systems, cooling towers, chillers, DDC controls, and safety compliance; must learn new control technologies and collaborate with a team to complete large projects.

Qualifications

• High school diploma or equivalent; trade school HVAC certification preferred.
• 3+ years HVAC experience for Mechanic II; 5+ years for Mechanic III in commercial/residential facilities.

Responsibilities

• Overhaul, repair, and replace HVAC equipment including boilers and DX systems.
• Maintain boilers and related equipment; monitor water chemistry and adjust as needed.
• Install or replace electrical control wiring, dampers, actuators, thermostats, and DDC components.
• Monitor and adjust DDC software for HVAC equipment to ensure comfort and efficiency.
• Perform preventive maintenance on equipment and test for refrigerant leaks.
• Travel to remote Department facilities and respond to off-hours calls as needed.
• Train others and assist with complex maintenance or repair projects.

Skills

HVAC systems knowledge

Troubleshooting

Safety compliance

Education

High school diploma or equivalent

Trade School HVAC certification

Tools

CAPPS

SharePoint

Microsoft Office

Job description

Texas A&M International is seeking an HVAC Mechanic II-III in the Facilities department to perform complex maintenance, installation, and repair of HVAC systems in medium and large facilities. On-call rotation and after-hours responsiveness are required.

The role requires knowledge of boilers, DX systems, cooling towers, chillers, DDC controls, and safety compliance; must learn new control technologies and collaborate with a team to complete large projects.