>>1454844 (old bread)

These are the job advertisement sites for the Department of State and the CIA civil service jobs (neither SES nor political appointee). Click on whatever jobs you're interested in, and the resulting details will provide info on the mandatory qualification requirements, location, application process, etc.

Salary depends on qualifications and experience. GS5 is the low end of the scale such as for new college graduates and GS15 is the highest pay level (short of the SES) and is used for the managerial and executive positions.

https://www.usajobs.gov/Search/?a=ST00&s=salary&p=1

https://www.usajobs.gov/Search/?a=CI00&s=salary&p=1