Cyrus joined the Navy in 1950, and became an Aircraft Electrician, working his way up to Chief Petty Officer.

In 1958, the Navy sent Cyrus to college, at the University of Oklahoma, to major in Engineering Physics.

After Officer Candidate School, in 1962, he was commissioned, and spent the next four years teaching reactor plant engineering at the Navy Nuclear Power School, Mare Island, California.

While there, he got his first technical experience with organs, by building a Heathkit (Thomas) organ.

After retiring from the Navy at the end of 1978, Cyrus worked eleven years as a field engineer with Data General, installing and maintaining large and small computer systems. During that time, he worked on weekends servicing Electronic organs.

After retiring from Data General, Cyrus continued servicing organs, maintaining the MITA web site, and leading the local Macintosh computer user group.