A transport official who disappeared for months will face a corruption hearing over an alleged multimillion-dollar kickback scheme.

The NSW Independent Commission Against Corruption started public hearings in July into alleged rigging and inflation of contracts involving former Transport for NSW procurement officer Ibrahim Helmy between 2012 and 2024.

Mr Helmy is scheduled to give evidence for several days, beginning when hearings resume on Tuesday.

He was arrested in September and detained to appear before the corruption watchdog, but has not been criminally charged.

The 38-year-old had been missing since May, when he failed to show up for an examination before the NSW Crime Commission.

The commission held his Australian passport when Mr Helmy was detected at Sydney Airport awaiting

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