The Office of the Secretary of State for Civil Service is the body responsible, under the superior direction of the person in charge of the department, for the promotion, direction and management of the Government ' s policy on public administration and digital administration; public service and public employment; public governance, organization, procedures and inspection of services of the General State Administration; the regime of incompatibilities and conflicts of interest of members of the Government and senior officials; the selection and training of public employees and employees; and the regime of administrative mutualism of civil service personnel of the State.

It is also responsible for the coordination of personnel policy between the various public administrations, relations with trade union organizations in the field of public service and the coordination, promotion and management of international affairs within the Secretariat of State.