Lennox International

Sr. Refrigeration Laboratory Technician

Lennox International$71K — $93K *
Manufacturing & Automotive
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Associate degree or technical certification in HVAC, Refrigeration, Mechanical or Electrical Technology.
  • Minimum 3 years hands-on experience with HVAC/R equipment.
  • Preferred: 3+ years as an HVAC/R service technician with troubleshooting experience, or 5+ years in facilities engineering or maintenance.

Responsibilities

  • Set up and maintain refrigeration test equipment.
  • Support product development and performance testing projects.
  • Install, modify, and repair refrigeration systems and components.
  • Independently troubleshoot mechanical and electrical issues.
  • Collect, analyze, and document test data.
  • Assist in developing testing procedures and executing laboratory plans.
  • Ensure compliance with safety procedures and regulations.

Benefits

  • Tuition reimbursement.
  • Medical, dental, and vision insurance.
  • 401(k) retirement plan.
  • Short-term disability insurance.
  • Paid maternity leave and bonding leave.
  • Generous paid time off and holiday schedule.
Full Job Description
Location: Stone Mountain: 100% Onsite

The Sr. Refrigeration Laboratory Technician is responsible for supporting the testing, evaluation, troubleshooting, and development of refrigeration systems in a laboratory environment. This role requires a highly skilled technician with substantial hands-on experience working with commercial or industrial refrigeration equipment. The successful candidate will independently set up, operate, diagnose, modify, and maintain test systems while ensuring compliance with safety and quality standards.

Due to the technical complexity of the testing environment, candidates must possess meaningful HVAC/R experience and demonstrate a strong understanding of refrigeration systems, controls, electrical systems, instrumentation, and troubleshooting methodologies.
Key Responsibilities
  • Set up, operate, monitor, and maintain refrigeration test equipment.
  • Support product development, performance testing, validation, and investigative projects.
  • Install, modify, and repair refrigeration systems, components, and instrumentation.
  • Troubleshoot mechanical, electrical, and refrigeration system issues independently.
  • Collect, analyze, and document test data and observations.
  • Assist engineers in developing test procedures and executing laboratory test plans.
  • Ensure laboratory equipment is calibrated, maintained, and operating safely.
  • Maintain compliance with laboratory safety procedures and environmental regulations.
  • Support facility and laboratory refrigeration systems as needed.
  • Provide technical recommendations regarding equipment operation, test setup improvements, and troubleshooting solutions.


What We Are Looking For

Required Qualifications
  • Associate degree, technical certification, or vocational training in HVAC, Refrigeration, Mechanical Technology, Electrical Technology or a related field.
  • Minimum of 3 years of hands-on experience servicing, troubleshooting, installing, or commissioning HVAC/R equipment.
Preferred Experience

Candidates should possess one or more of the following:
  • 3+ years as an HVAC/R service technician or installer with demonstrated field troubleshooting experience.
  • 5+ years of responsibility for commercial or industrial HVAC/R systems as a facilities engineer, facilities technician, or maintenance specialist.
  • Experience working in an HVAC or refrigeration laboratory environment.
  • Vocational or technical school graduates with significant documented field experience in HVAC/R service and repair.
Required Technical Skills
  • Strong knowledge of refrigeration cycles, airflow systems, compressors, condensers, evaporators, and expansion devices.
  • Ability to read and interpret wiring diagrams, control schematics, piping diagrams, and technical documentation.
  • Experience with electrical troubleshooting, controls, sensors, and instrumentation.
  • Familiarity with refrigerant charging, recovery, leak detection, and system performance analysis.
  • Proficiency using diagnostic tools, gauges, multimeters, data acquisition systems, and other laboratory instrumentation.
  • Working knowledge of laboratory safety practices and industry standards.
Preferred Qualifications
  • EPA Section 608 Certification.
  • Experience with data acquisition systems and laboratory instrumentation.
  • Experience supporting engineering product development or validation testing.
  • Understanding of commercial refrigeration, heat pumps, or air conditioning systems.
  • Ability to fabricate, braze, solder, and assemble refrigeration piping systems.
Desired Competencies
  • Strong troubleshooting and analytical skills.
  • Ability to work independently with minimal supervision.
  • Effective communication and documentation skills.
  • Detail-oriented with a strong commitment to safety and quality.
  • Collaborative team player capable of supporting engineers, technicians, and project teams.


What We Offer

Compensation: This is a salaried non-exempt role. This means that employees are paid a salary and also receive overtime pay when they work more than 40 hours in a week (or as otherwise required by state law). The starting salary range for this role and market is between $71,000 - $93,000 annually. Factors that may affect starting salary include geography/market and the skills, education, experience, and other qualifications of the successful candidate.

Employees in this role are also eligible for abonus in accordance with the terms of the Company's applicable plan.

Benefits: Subject to applicable eligibility requirements, the following benefits are offered for this role: tuition reimbursement; medical, dental, and vision insurance; prescription drug coverage; 401(k) retirement plan; short-term disability insurance; 8 weeks paid birthing leave; 2 weeks paid bonding leave; life and long-term disability insurance.

Depending on date of hire, and subject to applicable eligibility requirements, new employees in this role also receive up to: 12 days paid time off, 2 paid well-being days, 1 paid volunteer day, 10-11 paid holidays, and 3 floating holidays per year.

About Lennox International

Lennox International is an American company that designs, manufactures, and markets HVAC equipment and services. The company's products include air conditioners, furnaces, heat pumps, packaged units, air handlers, and indoor air quality equipment. Lennox International was founded in 1895 and is headquartered in Richardson, Texas. The company operates in North America, Europe, and Asia. Lennox International is listed on the New York Stock Exchange (NYSE) and is a component of the S&P 500.
Learn more about Lennox International
Size
11,000 employees
Market Cap
$8.5 billion
Industry
Net Income
$356.3 million
Founded
1895
5 Year Trend
+2.9%
Revenue
$3.6 billion
NASDAQ

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