[4] During this time, he was part of an effort to improve the level of government contracting to woman- and veteran-owned businesses.

[6] In July 2017, Rigas was nominated by President Donald Trump to serve as deputy director of the United States Office of Personnel Management (OPM).

[10] In this role, he thus became head of the agency in charge for managing "human resources, talent recruitment, development, and policy" for the employees of the federal government.

[11] In July, he added a third role, becoming the acting Federal Chief Information Officer of the United States (CIO) after the resignation of Suzette Kent.

[4][5] After Donald Trump won the 2024 presidential election, he announced on December 13, 2024, the nomination of Rigas to serve as Deputy Secretary of State for Management and Resources.