Maintenance Engineer – HVAC Test Laboratory (Electrical & Mechanical Facilities)

About Carrier Carrier Global Corporation, global leader in intelligent climate and energy solutions, is committed to creating innovations that bring comfort, safety and sustainability to life. Through cutting-edge advancements in climate solutions such as temperature control, air quality and transportation, we improve lives, empower critical industries and ensure safe transport of food, lifesaving medicines and more. Since inventing modern air conditioning in 1902, we lead with purpose: enhancing the lives we live and the world we share. We continue to lead because of our world-class, inclusive workforce that puts the customer at the center of everything we do. For more information, visit corporate.carrier.com or follow on Carrier social media at @Carrier. Summary The Maintenance Engineer – HVAC Test Laboratory (Electrical & Mechanical Facilities) is a full-time, onsite position located at Carrier-Charlotte (9701 Old Statesville Road, Charlotte, NC 28269), operating on a Monday through Friday schedule from 7:00 AM to 3:30 PM with emergency on-call availability as needed. This role is responsible for performing preventive, predictive, and corrective maintenance on HVAC test rigs, dynamic lab infrastructure, and low-to-medium voltage electrical distribution systems to ensure maximum testing uptime. The engineer will collaborate closely with test supervisors to support setup readiness, troubleshoot instrumentation and data acquisition systems, and lead electrical fault diagnoses. Additionally, the position drives continuous improvement through root cause analysis, manages equipment safety compliance, and coordinates with external vendors for critical calibration and repairs. Lab Equipment & Facility Maintenance Perform preventive, predictive, and corrective maintenance of HVAC test rigs and lab infrastructure Maintain chillers, AHUs, cooling towers, pumps, compressors, and piping systems Ensure high uptime of lab utilities (chilled water, hot water, compressed air) Quickly respond to breakdowns and restore operations with minimal impact to testing schedules Electrical & Mechanical Systems Troubleshoot electrical panels, PLC systems, VFDs, instrumentation, and power distribution systems Support safe operation of medium and low voltage electrical systems.  Perform electrical fault diagnosis and corrective actions Ensure compliance with Lockout/Tagout (LOTO) procedures Maintain refrigeration circuits, valves, heat exchangers, and hydronic systems Support installation, commissioning, and modification of test setups Read and interpret P&IDs, mechanical drawings, and system schematics Troubleshoot, maintain, and repair switchgear, transformers, circuit breakers, protective relays, and associated distribution equipment. Calibration & Instrumentation Support Support calibration of sensors (RTDs, pressure, flow, and electrical instruments) Work with vendors and internal teams to ensure measurement accuracy Ensure all instrumentation is operational and compliant with test standards Lab Operations Support Collaborate with test engineers and supervisors to ensure readiness of test setups Support test execution by ensuring stable operating conditions Assist in setting up and troubleshooting of data acquisition systems (e.g., Yokogawa, LabView) Safety & Compliance Lead and support hazard analysis and safe work practices Ensure compliance with OSHA, AHRI, and internal safety standards Maintain documentation related to maintenance and safety procedures Write standard work instructions for equipment in the lab.   KPIs, Reporting & Continuous Improvement Track equipment uptime, breakdown frequency, and maintenance metrics Perform root cause analysis (RCA) and implement corrective actions Drive improvements in reliability, efficiency, and preventive maintenance programs Collaboration & Vendor Management Coordinate with external vendors for repairs, calibration, and upgrades Work closely with lab supervisors and engineering teams to meet testing schedules Support procurement and inventory of critical spare parts Work Environment Exposure to refrigerants, compressed gases, and varying temperatures Required Qualifications Bachelor's degree in mechanical / electrical engineering or a technical field. 3+ years of experience in HVAC systems, or industrial maintenance, or lab environment. 3+ years of hands-on experience with electrical and mechanical systems. Able and willing to work off-shift or weekend support during critical maintenance or breakdowns for emergency on-call. Able and willing to stand for most of the shift, lift up to 60 pounds, and work around mechanical equipment. Preferred Qualifications EPA 608 Certification (Universal). CMMS experience/knowledge. Experience in HVAC test labs or chiller testing environments. Knowledge of AHRI standards and lab testing practices. Experience with PLCs, SCADA, LabView, or Yokogawa systems. Strong understanding of hydronic systems, cooling towers, and industrial utilities. Ability to read and interpret electrical schematics and P&IDs. Ability to prioritize tasks and support critical lab operations. Strong understanding of maintenance planning, troubleshooting, and execution. Knowledge of safety practices and standard operating procedures. Pay Range The annual salary for this position is between $64,500.00 - $129,500.00 annually. Factors which may affect pay within this range include, but are not limited to, skills, education, experience, and other unique qualifications of the successful candidate. Other Compensation This position may be entitled to short-term cash incentives, subject to plan requirements.  Benefits Employees are eligible for benefits, including: Health Care Benefits : Medical, Dental, Vision; Wellness incentives Retirement Benefits Time off and Leave : Paid vacation days, up to 15 days; paid sick days, up to 5 days; paid personal leave, up to 5 days; pai