His career included service as Captain of the Yeomen of the Guard during the reign of King George II.

He had to vacate his seat in the House of Commons in 1733 when he succeeded to the Torrington viscountcy on the death of his father.

[2] In 1734, upon taking his seat in the House of Lords, Byng was given the position of Vice-Treasurer and Paymaster General of Ireland and by 1746, he became Captain of the Yeomen of the Guard.

By his wife, who later became a Lady of the Bedchamber to Augusta, Princess of Wales,[3] he had two sons, who both died as infants and predeceased him: In 1727 his father settled the family seat at Southill Park, Bedfordshire on him.

Having died without surviving issue his title passed to his younger brother George Byng, 3rd Viscount Torrington.