He served in the United States Army from 1968 to 1970 where he became a warrant officer and flew helicopters in Vietnam during the Vietnam War. He became a captain at United Airlines where he worked for 35 years as a pilot and an executive. In 2025, Soliday texted the mayor of Portage, AustinBonta, saying he will "work hard to make sure your city never gets any revenue increases!!!", after Bonta expressing support for elected members to be included on the Indiana Utility Regulatory Commission. Soliday accused the mayor of making it harder for Northern Indiana [Public Service Co] to provide pay increases to its employees and to maintain its infrastructure. He said in a statement that his text to the mayor was "offhand and not intended literally."