Abdallah joined BAE SYSTEMS Saudi Arabia in October 2000. He served in a number of training and testing roles in Technical Studies Institute in Dhahran. In 2006, after completing his Executive MBA, he joined the HROperations Support Team, Central Area as an HR Advisor. In 2007, he assumed the position of HR Manager. Then Abdallah completed his CPP and in two years, Abdallah has become the Head of HR for Government to Government Programs. In 2011, Abdallah has been appointed as the Director of HR Operations and also a member of the Operations Board of the Company which supports the Leadership Board. In 2013, Abdallah has been appointed as the Director of HR Services.