[9] Wahba's first official task in Saudi Arabia was that of being a tutor to Prince Faisal bin Abdulaziz in 1916.
[8] During his term the directorate sent fourteen Saudi students to Al Azhar in Cairo for higher education.
[15] The same year Wahba suggested King Abdulaziz establish a body to control and eliminate the violent attacks of the Ikhwan on pilgrims which had negative effects on the income of the country.
[8] He was assigned for the mission of ambassador of Saudi Arabia to the United Kingdom on 10 November 1930[18] and held the post until 1956.
[19] In 1955 King Saud asked Wahba to return to Riyadh when the relations between Saudi Arabia and Britain became very tense because of the Buraimi dispute.
[23] The same year Wahba was part of the Saudi Arabia's delegation at the San Francisco meeting of the United Nations.
[24] Wahba was named one of two representatives of the Saudi government as directors of the Arabian American Oil Company in May 1959.
[27] One of his children with his Kuwaiti wife was Mustafa Wahba who was the long-term secretary general of the Communist Party in Saudi Arabia (CPSA).