Calvin C. Nodgaard, 57, a retired government official who was executive vice president of the Mechanized Systems Designs Corporation in Vienna, died of cancer Sunday at Alexandria Hospital.

Mr. Nodgaard moved to Washington in 1968 and spent the next four years as facilities director of the U.S. Postal Service. From 1972 to 1978, he was vice president in charge of the Washington office of Building Development Counsel International, a marketing and management consulting firm.

For the past three years he had been executive vice president of Mechanized Systems, a consulting firm that designs equipment systems.

Mr. Nodgaard was born in Chicago, reared in Omaha, Neb., and graduated from the University of Nebraska. Before moving to this area, he was for 20 years a civil engineer for the Air Force in Omaha and then Wichita.

During World War II, Mr. Nodgaard served with the Navy in the Mediterranean and Pacific. He served with the Army during the Korean conflict. In 1980, he retired as a colonel in the Army reserves.

He was a Mason and a member of the National Society of Professional Engineers.

Survivors include his wife, Betty, of Alexandria; a son, John, of Wichita; three daughters, Gayle Gulley of Annandale, and Connie and Cathy, both of Alexandria; his father, Rudolph, and a sister, Catherine Taylor, both of Sun City, Ariz., and three grandchildren.