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Manager / Assistant Manager - OT Cyber Security

EY

Johannesburg, Gauteng, South Africa Full-time July 17, 2026
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Vacancy Description

Manager / Assistant Manager – OT Cyber Security


Overview

EY South Africa is looking to strengthen its Operational Technology (OT) Cyber Security capability with experienced OT cybersecurity professionals at Assistant Manager and Manager level.


We are specifically seeking candidates with hands-on OT, ICS and critical infrastructure experience who are comfortable working in operational environments such as mining, utilities, power generation, manufacturing and oil & gas.


This role will require regular travel and, in some cases, extended periods at client sites across South Africa and the broader Africa region.

What We Are Looking For

Assistant Manager

  • 5–8 years relevant experience.
  • Manager

  • 8–12 years relevant experience.
  • Candidates must have practical experience in one or more of the following sectors:

  • Mining
  • Utilities

  • Power Generation
  • ...

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