Civil service recruitment is managed by individual Departments in accordance with the rules and procedures laid down by the Office of the Civil Service Commissioners. This is to ensure that all recruitment is dealt with in a fair and open manner. Recruitment processes for senior appointments are clearly set out by the Commissioners and these processes are followed at all times.
Selection boards for senior positions are chaired by a Civil Service Commissioner, and for the most senior posts such as the Government Chief Scientific Adviser the panel is always chaired by the First Civil Service Commissioner. The rest of the panel will comprise the relevant Permanent Secretary, an external representative such as someone from business or academia and usually a senior representative from another Government Department.