OpenNash Jobs
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 →

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)

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