Since the Yemen war began in 2015, war crime allegations have been linked to bombs made by US arms firm Raytheon, which has a factory in Fife.
The UK government says "new processes" have been established to prevent unlawful arms sales to Saudi Arabia after it emerged a court ruling had been violated several times.
Leonardo is targeting school leavers to work on Typhoon jets which have been used by the Saudis in Yemen's conflict.
Arms firms in Scotland are failing to make human rights checks which could prevent their products from being used in potential war crimes.
Arms firms due to attend a trade event dubbed a “festival of violence” gave MP's more than £60,000 in donations.
The UK government has been condemned for arming states named in a UN report revealing that 12,000 children were killed or maimed last year in armed conflicts.
Bombs and missiles will still be exported to Saudi Arabia under a secretive licensing system despite a court ruling that UK arms sales are illegal.
The UK government broke the law by selling arms to Saudi Arabia, the Court of Appeal says in a landmark ruling.
Arms firms supplying weapons for the war in Yemen that has killed 70,000 people were handed nearly £3m by the Scottish Government last year.