Member (MNucl)

Who should apply?

Nuclear professionals working at all levels in the nuclear sector and its supply chain.

 NI Members are practising nuclear professionals from a wide range of technical and non-technical disciplines, who apply personal behavioural standards and exercise judgement based on an understanding of the Nuclear Delta®, as applicable to their role and work context, to ensure their decisions and actions support nuclear safety and security, both now and in the future.

 Recognition as a professional Member of the NI provides independent verification of your nuclear professionalism, whatever your specialism, job role and work context.


Professional registration of the NI is licensed by three bodies, the Engineering Council, the Science Council and the Society for the Environment, to assess applicants for Professional Registration and entry onto the respective professional register, e.g. as Chartered Engineer, Chartered Scientist, Chartered Environmentalist, etc.  Find out more about each of the registration pathways: EngineeringScienceEnvironment 

How do I apply?

Complete the relevant Membership Application Form selected from the table below, and return along with a full CV, copies of certificates, CPD records and the application fee (please see checklist at the end of the application form). Your completed application should be emailed to Hansa Kaul at 

Application Form Table - please click on the forms below

Membership only application forms

Membership and Registration application forms

Current NI Members or Fellows wishing to add Registration

MF1 Member application

MF101 Membership and Chartered Engineer

RF401 Chartered Engineer

MF2 Fellow application

MF102 Membership and Incorporated Engineer

RF402 Incorporated Engineer

MF3 Fellowship Upgrade application – for current MNucI applying for FNucI

MF103 Membership and Engineering Technician

RF403 Engineering Technician


MF104 Membership and Chartered Scientist

RF404 Chartered Scientist


MF 105 Membership and Chartered Environmentalist

RF405 Chartered Environmentalist


MF106 Membership and Registered Environmental Technician

RF406 Registered Environmental Technician

Please note: To apply for Fellow plus a professional registration grade, please email Hansa Kaul at to request the appropriate form.

Guidance for Applicants - Please download the guidelines below

MF1 Series guidance - for Member only applications or Member plus professional registration

MF2 Series guidance – for Fellow only applications or Fellow plus professional registration

MF 4 series guidance – for current Members or Fellows adding a registration grade