The bank has begun a 10-business-day consultation period with employees and the Financial Services Union.
INZ said migrant workers paying substantial sums for promised jobs and residency was a recurring and widespread form of exploitation.
The proposed job cuts have fuelled concerns among employees about the expansion of NAB’s offshore operations
The findings highlight easing recruitment pressures across the labour market, although shortages persist in several occupational groups.
The restructuring will reduce the combined workforce from 396.7 to 351.8 full-time equivalent (FTE) positions.