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Vertiv Holdings · Rugvica, Croatia

HVAC Tester

Rugvica, Croatia

Listed on Vertiv Holdings’s official careers site. Posted August 13, 2026. Check that it is still open and apply there.

Apply on Vertiv Holdings’s careers site →

Job description

Position Overview

The HVAC Tester is responsible for performing HVAC system testing, verification, and basic pre‑commissioning activities on data center cooling units and related mechanical equipment. This role ensures HVAC systems are tested according to established procedures, comply with engineering requirements, and are ready for subsequent commissioning phases. The HVAC Tester works closely with senior testers, supervisors, engineering teams, and quality departments to support factory acceptance testing (FAT), equipment verification, and preparation for customer‑witnessed testing.

This position requires strong technical competency, attention to detail, and strict adherence to safety protocols.

Key Responsibilities

HVAC Testing & Equipment Verification

  • Perform testing and functional checks on HVAC equipment such as: CRAC/CRAH units Chillers Air handling units (AHUs) DX cooling units Cooling distribution and piping systems Fans, coils, sensors, and HVAC control components
  • Follow approved test procedures, engineering drawings, P&IDs, and test plans.

Verify mechanical installation quality, airflow direction, cooling capacity parameters, and sensor functionality. Support for FAT Activities Prepare HVAC equipment and test stations for FAT execution. Assist in performing measurement steps, data readings, and functional checks. Communicate findings promptly to senior HVAC testers or supervisors. Support setup of instrumentation (temperature probes, pressure gauges, flow meters, etc.).

Documentation & Reporting Record HVAC test results accurately following QA/QC and project documentation standards. Update HVAC testing forms, measurement sheets, defect logs, and deviation records. Submit completed documentation for review by senior testers or supervisors. Ensure all documentation is clear, traceable, and correctly stored. Tools, Equipment & Safety Properly operate HVAC testing instruments, measurement tools, and diagnostic equipment.

Ensure HVAC test equipment is used correctly and handled according to calibration requirements. Always adhere to strict safety procedures, including LOTO when working near electrically driven HVAC equipment. Maintain a clean and safe working environment within HVAC testing areas. Collaboration & Continuous Improvement Work closely with senior testers, engineers, and quality teams to support daily testing schedules. Participate in basic troubleshooting activities under guidance from senior personnel.

Support implementation of standardized HVAC testing procedures and continuous improvement initiatives.

QUALIFICATIONS

  • Bachelor's degree in Electrical Engineering and at least
  • 1 year of work experience after obtaining the degree or secondary school education and at least
  • 2 years of work experience, preferably in a technical manufacturing company At least
  • 6 years of experience in relevant roles Experience in HVAC development is preferred
  • Solid foundation in understanding electrical and HVAC systems
  • Strong practical skills and logical thinking ability Good communication skills and ability to work effectively in a team Advanced English language proficiency

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