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Vertiv Holdings · Rugvica, Croatia

# Installation Tester

Rugvica, Croatia 

Listed on Vertiv Holdings’s official careers site. Posted March 30, 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/20268704)

[OpenNash Jobs](https://jobs.opennash.com/) / [Vertiv Holdings](https://jobs.opennash.com/companies/vertiv-holdings/) / Installation Tester

## Job description

We are looking for a skilled Installation Tester to carry out electrical testing activities on low-voltage installations prior to live commissioning. The role focuses on ensuring safety, compliance, and quality through systematic testing, accurate documentation, and close collaboration with commissioning and operations teams.

### RESPONSIBILITIES

Conducting testing of low-voltage electrical installations prior to commissioning Focused on ensuring safety, compliance, and quality through systematic testing, accurate documentation, and close collaboration with commissioning and operations teams.
- Perform dead testing on electrical installations, including: Insulation resistance Continuity Polarity Ductor testing Dielectric pressure testing
- Execute testing for installations including: Power and control cabling Busways Electrical distribution panels Switchboards Grounding and earthing networks
- Verify correct polarity, phase sequence, circuit identification, and labeling prior to live commissioning
- Identify, report, and assist in resolving: Wiring defects Termination errors Installation non conformances
- Prepare and maintain: Snag lists
- Test reports QA/QC documentation Commissioning records with a high degree of accuracy
- Coordinate closely with operations teams to ensure zero fault handover and readiness for live testing
- Enforce strict LOTO (Lockout/Tagout) and mission critical safety protocols in live facility environments QUALIFICATIONS: Required: Technical Electrical education or a related field Hands on experience in electrical installation testing
- Knowledge of electrical testing methods and safety procedures Optional / Advantage: “Ispitivanje električnih instalacija niskog napona” (ZIRS) certification Experience in industrial, mission critical, or data center projects
- Familiarity with QA/QC and commissioning documentation What we offer?

Supplementary and additional health insurance, including a yearly check-up (UNIQA for supplementary; CROATIA for additional insurance) Christmas bonus, Easter bonus, gift for a child, and gift in kind Monthly performance-based incentive as per the valid decision. Paid overtime Internal and external trainings Performance related bonuses Reimbursement of public transportation costs MultiSport card option Fruit delivery on Mondays & Wednesdays Referral bonus Allowance for the birth of a child (up to the maximum non-taxable amount) Allowance in case of the death of an immediate family member (up to the maximum non-taxable amount)

## At a glance
- Posted by the employer: Mar 30, 2026
- First seen by OpenNash: Jul 10, 2026
- Last checked: Oct 18, 2026
- Listed for: 202 days
- Location: Rugvica, Croatia[Apply on Vertiv Holdings’s careers site →](https://egup.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX/job/20268704)

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