The foreigner is currently under police custody.
Sifuna accused the COTU boss of being selfish.
The police are actively searching for the suspected employee.
The revelation comes days after Sifuna's criticism of the broad-based government.
The latest follows an earlier review done in May.
JKIA is one of the biggest international airports in the region.
All the appointees will serve for the next three years.
The changes are part of the strategy to enhance service delivery.
The closure will be from July 28, 2025, to November 12, 2025.
The man is set to begin serving sentence immediately.