Scientists working in U.S. national laboratories, such as Los Alamos or Oak Ridge, hold some of the highest paid federal government employee positions. These physicists, chemists, and nuclear engineers earn between $180,000 and $300,000 annually. Their work in energy research, national security, and advanced technology development places them among the highest paid federal employees. ... https://www.federalpensionadvisors.com/post/highest-paid-federal-employees