[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Vertiv Holdings jobs](https://jobs.opennash.com/companies/vertiv-holdings/) · [Search jobs](/search/) Vertiv Holdings · Zagreb, Croatia # Commissioning HVAC Tester Zagreb, Croatia Listed on Vertiv Holdings’s official careers site. Posted May 21, 2026. Check that it is still open and apply there. [Apply on Vertiv Holdings’s careers site →](https://egup.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX/job/20268962) [OpenNash Jobs](https://jobs.opennash.com/) / [Vertiv Holdings](https://jobs.opennash.com/companies/vertiv-holdings/) / Commissioning HVAC Tester ## Job description At Vertiv, we're on a mission to empower the people that will power the future. From a simple swipe to life-changing medicines, from push notifications to generative AI. We design, manufacture, and service the products and solutions that keep the world connected. With $6.9 billion in revenue, a strong customer base and global reach spanning nearly 70 countries, we are uniquely positioned to deliver greater value to our customers and create new opportunities for our people. We are now looking for a colleague to join our team in Zagreb, Croatia as an HVAC Tester. We are now looking for a colleague to join our team in Zagreb, Croatia as an Commissioning HVAC Tester.. The primary responsibility of the Commissioning HVAC Tester is to ensure the safety and functionality of HVAC systems, components, and equipment through thorough testing and analysis. The ideal candidate will have a strong understanding of HVAC principles, proficiency in using testing equipment, and a keen eye for detail. ### RESPONSIBILITIES Perform various tests on electrical systems, components, and equipment to ensure compliance with safety and quality standards. This includes testing for voltage, current, resistance, insulation resistance, and continuity. Identify and troubleshoot electrical issues and malfunctions in equipment and systems. Utilize diagnostic tools and techniques to pinpoint problems accurately. Interpret electrical schematics, diagrams, and technical specifications to understand testing requirements and procedures. Record test results, observations, and any deviations from specifications accurately. Maintain detailed documentation of testing procedures, results, and equipment maintenance.. Prepare clear and concise reports summarizing test findings, including any deviations from standards and recommended corrective actions. Coordinate with engineers, technicians, and other stakeholders to communicate test results, discuss findings, and collaborate on resolving issues. ### QUALIFICATIONS Electrical high school diploma or equivalent. Additional vocational training or certification in HVAC testing is preferred. At least 1 year of previous experience in HVAC testing or a related field is advantageous. Familiarity with testing equipment and procedures is desirable. Proficiency in using HVAC testing equipment such as manifold gauges, anemometers, and refrigerant leak detectors. Attention to detail and accuracy in conducting tests and documenting results. Commitment to safety and quality standards Ability to work independently as well as collaboratively in a team environment TRAVEL REQUIREMENTS: 40-50% The successful candidate will embrace Vertiv’s Core Principals & Behaviors to help execute our Strategic Priorities. ### OUR CORE PRINCIPLES Safety. Integrity. Respect. Teamwork. Diversity & Inclusion. OUR STRATEGIC PRIORITIES Customer Focus Operational Excellence High-Performance Culture Innovation Financial Strength OUR BEHAVIORS Own It Act With Urgency - Foster a Customer-First Mindset Think Big and Execute - Lead by Example Drive Continuous Improvement - Learn and Seek Out Development At Vertiv, we’re on a mission to empower the people that will power the future. With $5 billion in sales, a strong customer base and global reach spanning nearly 70 countries, we are uniquely positioned to deliver greater value to our customers and create new opportunities for our people. Vertiv is an Equal Opportunity/Affirmative Action employer. We promote equal opportunities for all with respect to hiring, terms of employment, mobility, training, compensation, and occupational health, without discrimination as to age, race, color, religion, creed, sex, pregnancy status (including childbirth, breastfeeding, or related medical conditions), marital status, sexual orientation, gender identity / expression (including transgender status or sexual stereotypes), genetic information, citizenship status, national origin, protected veteran status, political affiliation, or disability. If you have a disability and are having difficulty accessing or using this website to apply for a position, you can request help by sending an email to help.join@vertivco.com. If you are interested in applying or learning more about this role, please visit the company’s career page located on Vertiv.com/Careers Work Authorization No calls or agencies please. Vertiv will only employ those who are legally authorized to work in the United States. This is not a position for which sponsorship will be provided. Individuals with temporary visas such as E, F-1, H-1, H-2, L, B, J, or TN or who need sponsorship for work authorization now or in the future, are not eligible for hire. ## At a glance - Posted by the employer: May 21, 2026 - First seen by OpenNash: Jul 10, 2026 - Last checked: Oct 18, 2026 - Listed for: 150 days - Location: Zagreb, Croatia[Apply on Vertiv Holdings’s careers site →](https://egup.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX/job/20268962) ## More jobs at Vertiv Holdings ### [Commissioning Electrical Tester](https://jobs.opennash.com/companies/vertiv-holdings/jobs/8421632effbd4efc4fdc/) Zagreb, Croatia ### [Construction Document Control Specialist](https://jobs.opennash.com/companies/vertiv-holdings/jobs/5b480281eb949e09bfe5/) Zagreb, Croatia ### [HVAC Tester](https://jobs.opennash.com/companies/vertiv-holdings/jobs/094db8cd8b77aa2cf008/) Zagreb, Croatia ### [MEP Coordinator - Electrical](https://jobs.opennash.com/companies/vertiv-holdings/jobs/b286261a2e34353f578a/) Zagreb, Croatia ### [MEP Coordinator - HVAC](https://jobs.opennash.com/companies/vertiv-holdings/jobs/0e50f89309e8f5018353/) Zagreb, Croatia ## Similar jobs at other companies ### [Signalling Test and Commissioning Tester (Senior)](https://jobs.opennash.com/companies/alstom/jobs/3a717e28d06e1a8faa8f/) Alstom · Toronto, ON, CA ### [Supervision Control Center Test & Commissioning Tester](https://jobs.opennash.com/companies/alstom/jobs/de0774d1cc2c15a5751e/) Alstom · Toronto, ON, CA ### [Responsable commissioning HVAC F/H](https://jobs.opennash.com/companies/eiffage/jobs/03362e2ac6a871f843a7/) Eiffage · Vélizy-Villacoublay ### [Tester](https://jobs.opennash.com/companies/hitachi/jobs/62bfe4a002a3ebac29e7/) Hitachi · Sevlievo, Gabrovo, Bulgaria OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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