ATSEP is recognized by ILO – International Labour Office– under the International Standard Classification of Occupation ILO Paragraph: 3145 AIR TRAFFIC SAFETY TECHNICIANS
Air traffic safety electronics personnel (ATSEP) is an international term for the technical staff involved with the creation and support of the ground-based electronic hardware and software systems used to support air navigation and Air Traffic Management.
In 2017, the term ATSEP is defined by the CIR (EU) 2017/373 of 1 March 2017 (laying down common requirements for providers of air traffic management/air navigation services and other air traffic management network functions and their oversight)
ATSEP is defined as:
(20) ‘air traffic safety electronics personnel(ATSEP)’ means any authorised personnel who are competent to operate, maintain, release from, and return into operations equipment of the functional system;
(56) ‘functional system’ means a combination of procedures, human resources and equipment, including hardware and software, organized to perform a function within the context of ATM/ANS and other ATM network functions;