Background
Engelhardt was born into the nobility of Livonia as a member of the Engelhardt family on December 24, 1798, the son of Colonel F. H. Engelhardt.
Engelhardt was born into the nobility of Livonia as a member of the Engelhardt family on December 24, 1798, the son of Colonel F. H. Engelhardt.
In 1815, he entered military service as a cadet in the Life Guards Regiment of Chasseurs. He was promoted to ensign in 1819. In 1830, Engelhardt was assigned to the Tenginsky 77th Infantry Regiment, and soon distinguished himself in the campaign in the Kuban, for which he was promoted to captain.
In 1832 he was promoted to colonel and transferred to the Volinsky Life Guards Regiment.
In 1831 Engelhardt was promoted to major general and appointed to the 3rd Grenadier Division. In 1842 he was made a commander for special assignments in the independent Caucasian Corps under General Neidgardt.
In 1843, Engelhardt was appointed director of the Institute of Railway Engineers. On December 4 of the same year, he was awarded the, fourth class, for his 25 years of irreproachable service as an officer
In 1852 he received the rank of lieutenant general and was appointed to a senior post in the Corps of Civil Engineers.
Engelhardt died on May 20, 1856 in Saint St. Petersburg and is buried in the Volkov Lutheran cemetery.