Career
Hardman-Jones joined the Royal Navy as a cadet in 1896, and was in February 1900 posted as a temporary Midshipman to the cruiser Diadem serving in the Channel Fleet. He was confirmed in the rank of sub-lieutenant on 15 April 1901, and was posted to the sail training brig HMS Wanderer in late March 1902. He served in World War I initially as Signals Officer to Earl Jellicoe in his capacity as Second-in-Command of the Grand Fleet.
He was appointed Commander-in-Chief, Coast of Scotland in 1933 and then served in World World War II as Naval Officer-in-Charge at Newhaven before retiring in 1944.