Senior Cathodic Protection Engineer ICorr Level 4 in the Buried, Marine, Concrete and Internals Sectors to BS EN ISO 15257:2017


There are no training courses for Senior Cathodic Protection Engineer Level 4, training is by experience, in particular of detailed design and complex field work, which is expected to be directed by existing Level 4 personnel. Certification is by Peer Review and Interview.

ICorr now offer a Level 4 exam for the On-land, Marine and Concrete sectors.  The exams are held at the Telford Training Centre and are booked to order.  Please allow a minimum of six weeks from registering an interest in a level 4 exam, as each will be arranged individually.  Once the exam has been passed, the applicant can then progress to the formal application and peer review stages.

Preparation for certification at level 4 may be by, for example:
  • completing a relevant engineering or scientific degree or period of post graduate education at a reputable school of higher education.
  • attending training courses, conferences or seminars (such as those organised by established industrial or independent associations including in-house courses).
  • studying scientific or engineering text books, periodicals, and other specialised materials.

 The applicant shall take an exam, submit documentary evidence of training, experience, theoretical knowledge and practical skills in cathodic protection and attend a professional review interview to enable assessment to be made.

ISO L4 Application form All Sectors

ISO L4 Application Guidance Notes


Price (excl. VAT)


Get in touch

These ICorr Examinations are provided by our partner in steel in concrete, the Corrosion Prevention Association (CPA). If you wish to book a course contact them on 01420 471614 or send an email to


Certification enquiries

For all queries regarding Certification and Re-Certification please access the Institute of Corrosion web site:   All Certification and Re-Certification Application Forms along with Guidance Notes can be downloaded from this page.

If you need any specific assistance please contact the Institute of Corrosion at Corrosion House at Tel:  + 44 (0)1604 438222 or Email: