add_action( 'init', 'tm_child_rearrange_header_v10_sticky', 20 );

function tm_child_rearrange_header_v10_sticky() {
    remove_action( 'techmarket_header_v10', 'techmarket_sticky_wrap_start', 67 );
    remove_action( 'techmarket_header_v10', 'techmarket_sticky_wrap_end', 73 );

    add_action( 'techmarket_header_v10',    'techmarket_sticky_wrap_start',  7 );
    add_action( 'techmarket_header_v10',    'techmarket_sticky_wrap_end',  63 );
}