He was a Claims Representative for the Buckeye Union Casualty Company in Akron, Ohio from 1952 to 1953.
He was in the United States Army as a law clerk in the Judge Advocate General's Corps from 1954 to 1956 and became a staff sergeant.
He was confirmed by the United States Senate on August 18, 1967, and received his commission the same day.
[1] After his retirement from the federal bench, Lambros engaged in the private practice of law with the firm of Janik LLP and was active until his death.
[3] Lambros died unexpectedly on December 3, 2019, in Jensen Beach, Florida, after collapsing while walking.