de Ramey was appointed a Midshipman Class 2 in August 1875 and embarked on his first posting, aboard the frigate "Renomée".
Promoted to Midshipman Class 1 in 1876, he was assigned to the cruiser "Thémis", part of the South Atlantic naval division.
He was sent to work with the naval maps and charts service ("Dépôt des cartes et plans de la Marine").
He became a lieutenant in March 1884, serving on the cruiser "Infernet" in the South Atlantic naval division, and from January 1886 as adjutant to the divisional commander, Captain Jules de Cuverville [fr].
In 1891 he was given command of the aviso "Actif" and then of the torpedo-aviso "Couleuvrine", stationed at Algiers for port and fisheries surveillance.
[2] On returning from Berlin, de Ramey held a succession of commands, starting with the recently built armored cruiser Léon Gambetta in April 1906.
[2] He was promoted to the rank of rear admiral (contre-amiral) on 14 May 1911, also appointed naval chief of staff and sea-front commander for Toulon.