ISO 27001 Lead auditor course

Answer:

To be able to use the title of ISO 27001 certified Lead Auditor you only have to complete the course, attending workshop and passing exam. Audits hours are required if you want to work as lead auditor working for a certification body.

This article will provide you further explanation about becoming a lead auditor:
- How to become ISO 27001 Lead Auditor https://advisera.com/27001academy/knowledgebase/how-to-become-iso-27001-lead-auditor/

I already have CISA and worked as Senior Manager IS Audit for 2-1/2 years. This experience included audit assignments covering information security. Will it suffice?

To work for ISO 27001 certification certification bodies you have to have experience on auditing against ISO 27001, but you have to check with the certification body you want to work for if your previous experience may be used to reduce the number of required audit hours related to ISO 27001.