Counter Terrorism Security Advisor
CTSA’s work for force areas involved in providing protective and counter terrorist strategies. Under the guidance of the National Terrorism Security office these units work with agencies, local government and businesses to ensure effective anti-terrorist strategies. They are trained in knowledge of terrorist mechanisms and handle intelligence around associated threats. Entrance into this career would need to have had experience gained from working in either policing or intelligence services with government of the armed services.
http://www.closeprotectionworld.com/security-jobs/16802-counter-terrorism-security-advisor.html example vacancy
Police Service Chart