Senior HVAC & Mechanical Technician – DOE-Cleared

Sandia National Laboratories; New Mexico; On-site; USD 60,000 - 90,000; Full time

Job summary

Sandia National Laboratories is seeking a Mechanical Trades Technician to operate, maintain, and troubleshoot advanced mechanical and HVAC/R systems in a dynamic facility environment.

You will perform predictive, preventive, and corrective maintenance on heating, ventilation, air conditioning, refrigeration, piping, and boiler systems, including water treatment and chemical injection during routine operations.

Qualifications

• HVAC tradesperson with at least 5 years’ experience.
• Proficiency in layout, installation, modification, overhaul, troubleshooting, repair, and maintenance of mechanical equipment.
• Experience performing maintenance on refrigeration, air conditioning, heating, piping, process systems, boilers, backflow preventers, chemical treatment, water-system testing, and related equipment.
• Knowledge of arc, inert-gas arc, and gas welding and cutting, and safety practices in accordance with Uniform Building Codes.
• Familiarity with pneumatic, electric, and electronic microprocessor control systems.
• Ability to fabricate braces, jigs, fixtures, and equipment as needed.
• Capability to operate and maintain computerized databases and Energy Management Systems.
• Strong communication and teamwork skills.

Responsibilities

• Operate, maintain, troubleshoot advanced mechanical and HVAC/R systems.
• Perform predictive, preventive, and corrective maintenance on heating, ventilation, air conditioning, refrigeration, piping, and boiler systems.
• Execute chemical water treatment duties, including testing of closed and open‑loop water systems and operating chemical injection systems.
• Utilize building automation control systems to monitor, troubleshoot, log, and operate HVAC/R equipment.
• Safely use HVAC/R hand and power tools, gauge sets, and equipment.
• Apply industry‑standard piping fittings and assembly techniques: compression, flared, threaded, brazed, and soldered fittings.
• Diagnose and correct electrical and control issues in HVAC/R systems (single‑ and three‑phase equipment).
• Maintain required records in a computerized database and operate the Energy Management System.
• Collaborate with other trade persons and provide guidance to staff as required.
• Obtain and maintain Department of Energy L or Q clearance.

Skills

HVAC/R maintenance

Troubleshooting

Safety compliance

Teamwork

Communication

Electrical control systems

Piping & fittings

Building automation systems

Water treatment/testing

Tools

Arc welding

Electrical testing tools

Energy Management System

Building automation controls

Gauge sets

Job description

Sandia National Laboratories is seeking a Mechanical Trades Technician to operate, maintain, and troubleshoot advanced mechanical and HVAC/R systems in a dynamic facility environment.

You will perform predictive, preventive, and corrective maintenance on heating, ventilation, air conditioning, refrigeration, piping, and boiler systems, including water treatment and chemical injection during routine operations.