HVAC Technician

MalaceHR is seeking an experienced HVAC Technician to support the maintenance, repair, and installation of critical HVAC systems within a regulated industrial/commercial laboratory environment (vivarium setting). This role is responsible for ensuring optimal environmental conditions, equipment reliability, and operational efficiency across the facility.

The ideal candidate will have strong commercial or industrial HVAC experience, excellent troubleshooting abilities, and experience working with complex mechanical systems in mission-critical environments.

Schedule

• Monday – Friday
• 7:00 AM – 3:30 PM EST
• Opportunity for overtime on nights and weekends as needed

Interview Process

• 1–2 virtual interviews
• Final onsite interview

Key Responsibilities

HVAC Systems Maintenance & Repair

• Maintain and service air handling equipment, air filtration systems, differential pressure (DP) monitoring systems, and air balancing equipment
• Service refrigeration systems including:
  • Multi-circuit refrigeration systems
  • DX systems
  • Process chillers
  • Comfort chillers
• Maintain refrigerants in compliance with EPA and applicable regulatory requirements, including accurate inventory and usage records

System Operations & Monitoring

• Monitor, operate, and adjust:
  • Heat exchangers
  • Centrifugal chillers
  • Cooling towers
  • VAV systems
  • HVAC controls
  • Emergency backup systems
  • Hot water systems
• Maintain refrigeration, chilled water, and air conditioning systems
• Service and repair boilers, pumps, piping, valves, filters, ventilation equipment, and hot water heaters
• Record equipment readings and perform adjustments to maintain peak system performance

Technical Troubleshooting & Installation

• Diagnose equipment malfunctions and implement corrective repairs
• Install and repair plumbing, piping, and tubing systems
• Wire single-phase and three-phase motors
• Run conduit and pull wiring for machinery and operating equipment
• Install, rebuild, and maintain:
  • Pumps
  • Motors
  • Air compressors
  • Heat exchangers
• Replace motor bearings, pump seals, and maintain associated controls and piping systems
• Install, repair, and maintain electrical controls, switching devices, and motor control systems

Preventive Maintenance & Facility Support

• Troubleshoot and maintain Variable Frequency Drives (VFDs) for HVAC equipment and pumps
• Perform preventive maintenance on facility mechanical systems
• Complete general facility maintenance tasks including:
  • Sheetrock repair
  • Patching and painting
  • Caulking
  • Lock repairs
  • Minor piping repairs
• Safely operate HVAC tools, testing equipment, and maintenance machinery

Qualifications

• 5–8 years of HVAC experience in commercial or industrial environments
• Experience working in regulated laboratory or vivarium environments preferred
• Strong knowledge of HVAC, mechanical, and electrical systems
• EPA Refrigerant Certification required
• HVAC certification preferred
• BAS (Building Automation Systems) experience is highly preferred
• Strong troubleshooting and diagnostic abilities
• Ability to maintain detailed maintenance records and documentation
• Experience with preventive maintenance programs and facility operations